[PHP] Will the progress bar like Xupload add too much weight to the Apache server?
Hi all, Here is the Xupload progress bar link: http://www.sibsoft.net/xupload.html My question is: Will the upload progress bar like that add too much weight to the Apache server, especially to a server with millions of visitors each day? Thanks in advance. -- Regards, Shelley ( PHP Architecture: http://phparch.cn ) -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Problems with mime encoding of Japanese Characters in Subject and 'From:', 'Reply-to:', ... fields.
Hi,
--- note ---
I sent a similar message already to php-i18n - but this list seems
not to be used very much (20 messages this year) so I am posting it
here again...
I try to send messages written in Japanese (Kana/Kanji) with php.
Everything works fine - only when the subject (or the name of the
sender) becomes longer, there seems to be something wrong with the
encoding: Neither my nor the mail reader of other (Japanese) friends
decodes the mime string. At the place of the Japanese Characters,
the mime string itself is displayed in the subject (to, reply to)
field.
As this doesn't happen for other Japanese emails with even longer
subjects, I suppose I did something wrong ... but what?
Here how I convert the subject (the name is converted using the same
method and the sources are saved in UTF-8 using emacs):
$subjectJIS = mb_convert_encoding($subject, ISO-2022-JP, AUTO);
$subjectMIME = mb_encode_mimeheader($subjectJIS, ISO-2022-JP, B);
...snip...
mail($to, $subjectMIME, $bodyJIS, $headers);
Here part of the message as it is displayed by my mail program:
From:
=?ISO-2022-JP?B?GyRCJCskSjRBO3okKyRKNEE7eiQrJEo0QTt6JCskSjRBO3okKyRKNEE7?==?ISO-2022-JP?B?eiQrJEo0QTt6JCskSjRBO3okKyRKNEE7eiQrJEo0QTt6JCskSjRBO3ob?=(B
[EMAIL PROTECTED]
...snip...
Subject:
=?ISO-2022-JP?B?GyRCJCskSjRBO3okKyRKNEE7eiQrJEo0QTt6JCskSjRBO3okKyRKNEE7?=
=?ISO-2022-JP?B?eiQrJEo0QTt6JCskSjRBO3okKyRKNEE7eiQrJEo0QTt6JCskSjRBO3ob?= (B
...snip...
かな漢字かな漢字かな漢字かな漢字かな漢字かな漢字かな漢字かな漢字かな漢
字かな漢字
And here part of the mail text itself:
...snip...
Subject:
=?ISO-2022-JP?B?GyRCJCskSjRBO3okKyRKNEE7eiQrJEo0QTt6JCskSjRBO3okKyRKNEE7?=
=?ISO-2022-JP?B?eiQrJEo0QTt6JCskSjRBO3okKyRKNEE7eiQrJEo0QTt6JCskSjRBO3ob?=
=?ISO-2022-JP?B?KEI=?=
MIME-Version: 1.0
From:
=?ISO-2022-JP?B?GyRCJCskSjRBO3okKyRKNEE7eiQrJEo0QTt6JCskSjRBO3okKyRKNEE7?=
=?ISO-2022-JP?B?eiQrJEo0QTt6JCskSjRBO3okKyRKNEE7eiQrJEo0QTt6JCskSjRBO3ob?=
=?ISO-2022-JP?B?KEI=?= [EMAIL PROTECTED]
...snip...
Content-Type: text/plain; charset=ISO-2022-JP
...snip...
かな漢字かな漢字かな漢字かな漢字かな漢字かな漢字かな漢字かな漢字かな漢
字かな漢字
Here a part of another (spam) mail which is correctly displayed by my
mail program:
MIME-Version: 1.0
Subject:
=?ISO-2022-JP?B?GyRCIXolXSUkJXMlSBsoQjEwGyRCR1whdUF3TkEbKEI=?=
=?ISO-2022-JP?B?GyRCTDVOQSF6GyhCMSwwMDAbJEIxXyU4JWUbKEI=?=
=?ISO-2022-JP?B?GyRCJSglaiE8Qmc9ODlnISohWjNaRTchWxsoQg==?=
=?ISO-2022-JP?B?GyRCIUobKEIyMDA4LzAzLzE5?= =?ISO-2022-JP?B?KQ==?=
From: =?ISO-2022-JP?B?GyRCM1pFNztUPmwlOCVlJSglaiE8ISYlIhsoQg==?=
=?ISO-2022-JP?B?GyRCJS8lOyU1JWohPCVLJWUhPCU5GyhC?=
[EMAIL PROTECTED]
Displayed as:
From: 楽天市場ジュエリー・アクセサリーニュース
[EMAIL PROTECTED]
...snip...
Subject: ★ポイント10倍＆送料無料★1,000円ジュエリー大集合！【楽天】
（2008/03/19)
If anybody can explain me the problem I would be most grateful :)
Thanks, Dietrich
---
PS: I appended a little example program which produces the problem.
The same program works correctly when using the following values:
$subject = かな漢字;
$senderName = かな漢字;
Thanks for your help :)
!DOCTYPE html PUBLIC -//W3C//DTD XHTML 1.0 Transitional//EN
http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd;
html xmlns=http://www.w3.org/1999/xhtml; xml:lang=en lang=en
head
meta http-equiv=content-type content=text/html;
charset=UTF-8 /
titleContact Me/title
/head
body
h1かな漢字/h1
?php # Script 10.1 - email.php
function sendEmail($recipientEmailAddress, $subject, $body, $senderName,
$senderEmailAddress) {
// set current language to Japanese
mb_language(ja);
// encode subject
// - first using JIS (ISO-2022-JP)
// - after encoding the resulting JIS string with the MIME header
encoding scheme
$subjectJIS = mb_convert_encoding($subject, ISO-2022-JP, AUTO);
$subjectMIME = mb_encode_mimeheader($subjectJIS, ISO-2022-JP,
B);
// encode the name of the sender
// - first using JIS (ISO-2022-JP)
// - after encoding the resulting JIS string with the MIME header
encoding scheme
$senderNameJIS = mb_convert_encoding($senderName, ISO-2022-JP,
AUTO);
$senderNameMIME = mb_encode_mimeheader($senderNameJIS,
ISO-2022-JP, B);
// encode body
// - using JIS (ISO-2022-JP)
// - the used coding system had to be specified in the
Content-Type/charset header:
// Content-Type: text/plain; charset=ISO-2022-JP
$bodyJIS = mb_convert_encoding($body, ISO-2022-JP, AUTO);
// formatting the sender string
$senderMIME = sprintf(%s %s, $senderNameMIME,
$senderEmailAddress);
// formatting the mime header
$headers = MIME-Version: 1.0\n ;
$headers .= sprintf(From: %s\n, $senderMIME);
$headers .= sprintf(Reply-To: %s\n, $senderMIME);
$headers .= Content-Type: text/plain; charset=ISO-2022-JP\n;
// send encoded mail
$result = mail($recipientEmailAddress, $subjectMIME, $bodyJIS,
$headers);
// return result
return $result;
}
$to = [EMAIL
Re: [PHP] Checking how many letters are in a string.
On 20/03/2008, tedd [EMAIL PROTECTED] wrote: At 9:29 PM +0200 3/19/08, Dotan Cohen wrote: I am asking the second question: how many Hebrew characters in a string that _very_likely_ contains other characters as well. The array suggestion sounds about what I am doing: checking if each letter is a Hebrew character. I will also look into the mb_ functions. I did not know about them before. Thanks. Dotan Cohen Dotan: It really doesn't make any difference. If you have a single character that is not ASCII, then it's something beyond ASCII and you'll need to use the mb_functions. Unicode contains all known characters (code points) including ASCII with values equal to ASCII -- so there's no problem between code points and ASCII. The beyond ASCII string problem is basically what is a character? We all know what an a is, but what about a with a ~ above it? Is it one character or two? If it's a combination of two code points, then it's a grapheme. What about the character fi when it's combined? Is it one character or two? In this case, it's a ligature and is a single code point. So, when you are trying to count characters in a string, using ASCII based functions won't work because they might count one character as two and break the character in two parts. Or, the character might be actually two characters, but they should be counted as one. As such, mb_functions are designed to work with these types of problems where as standard string functions won't. The easy way to tell IF you should use mb_functions is if all the characters you're working with appear in the ASCII table, then standard string functions apply. However, if any of the characters are not found in ASCII, then you need to go another route. At least, that's my understanding. Cheers, tedd Thank you Tedd, that was very helpful. After reading your mail from yesterday I went to wikipedia to learn what graphemes and ligatures are. Your example of fi was there, otherwise I would have had no idea that those letters can be combined. In Hebrew and Arabic, especially, I can see how the vowel points (Hebrew) and combinations like LA (Arabic) can confuse the ASCII function. Thanks. Dotan Cohen http://what-is-what.com http://gibberish.co.il א-ב-ג-ד-ה-ו-ז-ח-ט-י-ך-כ-ל-ם-מ-ן-נ-ס-ע-ף-פ-ץ-צ-ק-ר-ש-ת A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing?
[PHP] Re: Will the progress bar like Xupload add too much weight to the Apacheserver?
Hello, on 03/20/2008 03:32 AM Shelley said the following: My question is: Will the upload progress bar like that add too much weight to the Apache server, especially to a server with millions of visitors each day? It is hard to tell. It seems to rely on a mod_perl script. You may also want to try this forms generation and validation class that comes with an upload progress plug-in that relies only on PHP: http://www.phpclasses.org/formsgeneration Here you can test it live: http://www.meta-language.net/forms-examples.html?example=test_upload_progress Here you can watch it live: http://www.phpclasses.org/browse/video/1/package/1/section/plugin-upload-meter.html -- Regards, Manuel Lemos PHP professionals looking for PHP jobs http://www.phpclasses.org/professionals/ PHP Classes - Free ready to use OOP components written in PHP http://www.phpclasses.org/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Re: Problems with mime encoding of Japanese Characters in Subject and'From:', 'Reply-to:', ... fields.
Hello, on 03/20/2008 04:06 AM Dietrich Bollmann said the following: Hi, --- note --- I sent a similar message already to php-i18n - but this list seems not to be used very much (20 messages this year) so I am posting it here again... I try to send messages written in Japanese (Kana/Kanji) with php. Everything works fine - only when the subject (or the name of the sender) becomes longer, there seems to be something wrong with the encoding: Neither my nor the mail reader of other (Japanese) friends decodes the mime string. At the place of the Japanese Characters, the mime string itself is displayed in the subject (to, reply to) field. As this doesn't happen for other Japanese emails with even longer subjects, I suppose I did something wrong ... but what? You may want to try this MIME message composing and sending class that can send messages with encoded headers correctly using any character set. Take a look at the test_multibyte_message.php example script: http://www.phpclasses.org/mimemessage -- Regards, Manuel Lemos PHP professionals looking for PHP jobs http://www.phpclasses.org/professionals/ PHP Classes - Free ready to use OOP components written in PHP http://www.phpclasses.org/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Problems with mime encoding of Japanese Characters in Subject and 'From:', 'Reply-to:', ... fields.
Hi - in order to see the Japanese Characters in the previous mail you might have to switch the Character Encoding of your Email reader to Unicode (UTF-8). In my case (I am using the Evolution mail program on Linux): View Character Encoding Unicode (UTF-8) Dietrich On Thu, 2008-03-20 at 16:06 +0900, Dietrich Bollmann wrote: I try to send messages written in Japanese (Kana/Kanji) with php. Everything works fine - only when the subject (or the name of the sender) becomes longer, there seems to be something wrong with the encoding: Neither my nor the mail reader of other (Japanese) friends decodes the mime string. At the place of the Japanese Characters, the mime string itself is displayed in the subject (to, reply to) field. As this doesn't happen for other Japanese emails with even longer subjects, I suppose I did something wrong ... but what? -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Re: fwrite/fclose troubles
Mark Weaver wrote:
Hi all,
I've been lurking and reading now for some time, but have decided to
come out of the shadows cause I've got an issue that's gonna drive me
crazy!
I'm developing an application and within this application is a class
that is very simple and only serves a singular purpose - to make log
entries to help with debugging. Problem is, now I'm debugging the damned
logging class that is supposed to be helping me debug the application as
I'm putting it together! sigh I've looked and looked all over the
place, but I don't seem to be able to find an answer to this problem.
The only information that I have found so far deals with permissions and
I don't think that's the problem. At first I was getting an access
denied error but since setting dir perms and log file perms so that both
apache and my user can right to both the directory and the file that one
has gone away.
Log Directory permissions: /mystuff/logs rwx-rwx-rwx (777)
Log file permissions: /mystuff/logs/run.log rwx-rwx-rwx
(777)
At any rate, the following is the information I'm getting in the apache
error_log while working on this particular portion of the application:
PHP Warning: fwrite(): supplied argument is not a valid stream resource
in /mystuff/inc/Log.inc on line 22,
PHP Warning: fclose(): supplied argument is not a valid stream resource
in /mystuff/inc/Log.inc on line 23,
The Log class:
-
class Log{
public $path, $entry, $logfile;
public function Log(){}
public function setLog($path,$file){
$this-path = $path;
$this-logfile = $file;
}
public function writeLog($entry){
// open the file, in this case the log file
$h = $this-path/$this-logfile;
fopen($h, 'a+');
fwrite($h,$entry);
fclose($h);
}
}
Code snippet where attempting to write log entry from program:
$pl_log = new Log;
$pl_log-setLog($logpath,run.log);
$usernanme = $_POST['username'];
$password = $_POST['secret'];
/**
* (debugging) logging incoming values from form:
*/
$pl_log-writeLog(getDateTime(): Incoming values from Login Form:
blah...blah...blah\n);
Any help with this would be most appreciated. (be gentle... I'm a PERL
program learning PHP OOP)
As Stut pointed out, you've misunderstood the difference between a file resource
and a file name.
Try something like:
public function writeLog($entry)
{
// open the file, in this case the log file
$fileName = $this-path.'/'.$this-logfile;
$h = fopen($fileName, 'a+');
fwrite($h,$entry);
fclose($h);
}
The file resource that fwrite and fclose need is the *result* of opening the
file, not the file name as you were doing.
Ideally, you would check the value of $h after the fopen call, to make sure that
it had successfully opened the file.
Also, I changed the way you were constructing the file name: interpolating the
variables in a string is slightly less efficient than concatenating the bits
together, and there are possible gotchas when using the $this-variable
structure in a string like that.
An alternative syntax is to escape the variables with braces:
$fileName = {$this-path}/{$this-logfile};
--
Peter Ford phone: 01580 89
Developer fax: 01580 893399
Justcroft International Ltd., Staplehurst, Kent
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[PHP] Anyone using clsMsDocGenerator?
Hi, If anyone is using clsMsDocGenerator to produce MSWord files without using COM, I have a just one question (I tried the PHPClasses forum, but couldn't get my forum post in). How do you remove borders from tables? I am preformatting a html string with att the data going into the document, including tables, but they always show a fine border, even though border is set to 0 in my table formatting. Any suggestions? Cheers George -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Re: selling gpl software?
Larry Garfield wrote: On Wednesday 19 March 2008, Colin Guthrie wrote: Also as it's GPL and as you are supplying the modifications you make to your client, you are obliged to release the changes you make to the community. If this was a 100% internal development (e.g. you are employed directly by your client, not as a contractor), then you are not obliged to release the changes. Not true. If you take an open source project, modify it, and give a copy to your client, you are under no obligation to give anyone else in the world a copy of your modified code. What you ARE required to do is give that modified to code to your client under the GPL so that he can, if he wants to, share it with the world, and anyone he gives a copy to can also share it with the world if they want to, etc. Is that true? I would have thought that by developing under contract and then subsequently supplying your modifications to your client, this constitutes distribution of the code. It is this distribution of the code that I've always considered the trigger for having to share it back to the community - e.g. if your changes are internal to your company you don't need to share it. Earlier I wrote that whether he was employed directly or as a contractor would have bearing and this statement was based on the above understanding. Am I wrong? Col -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RES: [PHP] Newbie question, Which way is best?
De: George J [mailto:[EMAIL PROTECTED] So calling the script via the form works i.e it passes the neccessary variables to constrct the sql query for the next call. As Shawn said, if you really need the query again add it to session, never, NEVER give the user the ability to see/execute queries by himself (remember POST data could be easily manipulated). Remember what Daniel said, adding a DELETE FROM is not hard and veeery bad. If the user clicks one of the pagination links, that calls itself, all that is passed is the page=$i variable. I need to include the 'SELECT * FROM...' query either as a string or an array of seperate values for the changed query. Ok, let me ask you something. Why post to itself? You could have a script only to do form actions, that way you can: 1 Separate huge php validations with your html form. 2 Use functions to handle the incoming data and writing the new query (or the old one again). As it's built at server side, the user is never going to see your query or [1]manipulate it as you're writing it all over again, just using your old parameters (they could be added as hidden fields in the form if strictly necessary). So, as I see it, the pagination links won't POST the form variables. How do I pass the 'SELECT * FROM mytable WHERE selection=option LIMIT start, range' query to the called script? You should try building a default query where you only add the parameters given by the user. If you can't seem to recover that, add them to $_SESSION and you'll be fine next time you want them (if you don't overwrite it =] ). George Welcome and keep asking :) [1] As long as you treat the user input properly, as other said. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Playing around with strings
Hiyah,
Here's a trick you can use to evaluate expressions within strings. It
may not be particularly useful, but I thought it was interesting.
It exploits two things:
1. If you interpolate an array element within a string, the index of
the element is evaluated as a php expression.
2. You can can make your own magic arrays by extending arrayObject.
?php
class identityArrayObject extends arrayObject
{
public function offsetGet($index)
{
return $index;
}
}
$eval = new identityArrayObject;
print The square root of {$eval[pow(2,2)]} is {$eval[sqrt(4)]} \n;
print Price: $price GBP ({$eval[$price * 1.175]} GBP including tax) \n;
?
You can extend it to add your own formatting elements:
?php
class uppercaseArrayObject extends arrayObject
{
public function offsetGet($index)
{
return strtoupper($index);
}
}
$U = new uppercaseArrayObject;
$city = 'edinburgh';
print The capital of Scotland is $U[$city] \n;
?
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Re: [PHP] Re: selling gpl software?
On Thursday 20 March 2008, Colin Guthrie wrote: Larry Garfield wrote: On Wednesday 19 March 2008, Colin Guthrie wrote: Also as it's GPL and as you are supplying the modifications you make to your client, you are obliged to release the changes you make to the community. If this was a 100% internal development (e.g. you are employed directly by your client, not as a contractor), then you are not obliged to release the changes. Not true. If you take an open source project, modify it, and give a copy to your client, you are under no obligation to give anyone else in the world a copy of your modified code. What you ARE required to do is give that modified to code to your client under the GPL so that he can, if he wants to, share it with the world, and anyone he gives a copy to can also share it with the world if they want to, etc. Is that true? I would have thought that by developing under contract and then subsequently supplying your modifications to your client, this constitutes distribution of the code. It is this distribution of the code that I've always considered the trigger for having to share it back to the community - e.g. if your changes are internal to your company you don't need to share it. Earlier I wrote that whether he was employed directly or as a contractor would have bearing and this statement was based on the above understanding. Am I wrong? Col If the code is work for hire and the initial ownership is with the client/company, then there is no distribution and so you are not required to do anything. That includes if you are a full time employee of the company. If the code you write is owned by you and given to a client, that is distribution. You can either give the client a copy of the source at the same time, in which case you needn't share it with anyone else, or say you can get it from this FTP if you want, in which case anyone may access it because when the client distributes the runnable version of the code to someone else, they will also say and you can get it from this FTP if you want. As PHP is its own source code, the latter is generally not an issue since the source code is provided automatically. So in the OP's case, if he takes an existing GPLed project, modifies it in whatever way (including removing mention of the original project), and gives a copy to his client, his only legal obligation is to provide the client with the code under the GPL so that the client can, if he wants, pass the code on to someone else under the GPL. Someone else could be a public FTP server or not. -- Larry Garfield AIM: LOLG42 [EMAIL PROTECTED] ICQ: 6817012 If nature has made any one thing less susceptible than all others of exclusive property, it is the action of the thinking power called an idea, which an individual may exclusively possess as long as he keeps it to himself; but the moment it is divulged, it forces itself into the possession of every one, and the receiver cannot dispossess himself of it. -- Thomas Jefferson -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Double click problem
the way I solved the click back button issue (simplified vresion):
confirmation page (conf.php) - transfer page (tp.php) - thank you page
(typ.php)
#conf.php
# after the form is submitted and confirmed
header('location: tp.php?url=typ.php');
exit;
#tp.php
header('location:$_GET['url']);
exit;
and, if visitor clicks on back button on thakyou page he will go actually to
the transfer page - which will send him back to thankyou page
;)
-ll
- Original Message
From: tedd [EMAIL PROTECTED]
To: php-general@lists.php.net
Sent: Wednesday, March 19, 2008 11:43:06 AM
Subject: Re: [PHP] Double click problem
At 4:19 PM + 3/19/08, Richard Heyes wrote:
tedd wrote:
// ...
Your first (and the quickest by far) method to employ would be to
disable the submit button using Jabbascript when the form is
submitted. That will stop the vast majority of occurrences. You
could also employ an intermediary page which actually does the card
processing and when complete redirects to the thank you page. ie.
Form -- Please wait... page -- Thank you page
That's in place. The person clicks the confirm purchase and they
are taken to a confirm and thank you page.
The problem here is two fold -- 1) clicking the confirm
purchasebutton twice, which I think js will stop; 2) and clicking
the back-button which the token should stop.
Now, I just need to develop a test for this. Sometime writing a test
is more of a problem than writing the solution.
Thanks for everyone's help.
Cheers,
tedd
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---
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Re: [PHP] Fastest way to get table records' number
On Mar 19, 2008, at 11:55 PM, Shelley wrote: Nathan Nobbe wrote: On Wed, Mar 19, 2008 at 9:42 AM, Andrew Ballard [EMAIL PROTECTED] wrote: That works; I'm just wondering why you went with a count on an 'ID' column rather than COUNT(*). ouch, it looks like im horribly wrong :O mysql select count(*) from table; +--+ | count(*) | +--+ | 361724 | +--+ 1 row in set (0.90 sec) mysql select count(id) from table; ++ | count(did) | ++ | 361724 | ++ 1 row in set (4.56 sec) -nathan The archive of my results was saved here: http://phparch.cn/index.php/mysql/35-MySQL-programming/126-fastest-way-to-get-total-records-from-a-table Just an FYI about your article. Evan is supposed to be spelled even. ;) -- Regards, Shelley ( PHP Architecture: http://phparch.cn ) -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Will the progress bar like Xupload add too much weight to the Apache server?
On Thu, Mar 20, 2008 at 2:32 AM, Shelley [EMAIL PROTECTED] wrote: Hi all, Here is the Xupload progress bar link: http://www.sibsoft.net/xupload.html My question is: Will the upload progress bar like that add too much weight to the Apache server, especially to a server with millions of visitors each day? You consistently ask irrelevant questions here. Not only is Xupload not written in PHP, your question relates to Perl and Apache --- not at all to PHP. Please select the correct list when asking questions. -- /Daniel P. Brown Forensic Services, Senior Unix Engineer 1+ (570-) 362-0283 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] php book
opinions of good book is almost the same as opinion of good car. I can suggest you to go to barnes and noble or borders or any other bookstore, buy cup of coffee or tea, grab all php books from shelf and read some chapters. you are no going to learn anything, rather to compare styles. some authors use a lot of code, some to much code, some explain to details some throw just links where to find more info, some explain functions with examples, some just in general... you know what I mean. spend 2-3 hours going through the books and then pick one you like (the style) the most. my 2 cents. -ll - Original Message From: alexus [EMAIL PROTECTED] To: php-general@lists.php.net Sent: Wednesday, March 19, 2008 9:50:23 AM Subject: [PHP] php book what book would you guys suggest for someone who's new and wants to learn php? -- http://alexus.org/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
[PHP] Re: algorithm of pages beaking
At 11:35 PM + 3/19/08, George J wrote: Hi, I'm trying to resolve an issue with a pagination routine. Sounds like we're working on a similar routine. I have a query returning products from a database and then display the results in a defined number of products per page. Checkout - 'Newbie question, Which way is best?' in this newsgroup. George George: Which is the best way? Well of course, my way. :-) Here's a demo (with code): http://webbytedd.com/bbb/paging/ Cheers, tedd -- --- http://sperling.com http://ancientstones.com http://earthstones.com -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Checking how many letters are in a string.
At 9:10 AM +0200 3/20/08, Dotan Cohen wrote: On 20/03/2008, tedd [EMAIL PROTECTED] wrote: At least, that's my understanding. Cheers, tedd Thank you Tedd, that was very helpful. After reading your mail from yesterday I went to wikipedia to learn what graphemes and ligatures are. Your example of fi was there, otherwise I would have had no idea that those letters can be combined. In Hebrew and Arabic, especially, I can see how the vowel points (Hebrew) and combinations like LA (Arabic) can confuse the ASCII function. Thanks. Dotan Cohen Dotan: No problem -- if you want a great book on the subject, try: Building Scalable Web Sites by Henderson Chapter 4 is all about l16n, L10n, and Unicode. Makes a good read. Plus, there's a lot more good stuff in that book. Cheers, tedd -- --- http://sperling.com http://ancientstones.com http://earthstones.com -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Re: algorithm of pages beaking
On Thu, 2008-03-20 at 11:32 -0400, tedd wrote: At 11:35 PM + 3/19/08, George J wrote: Hi, I'm trying to resolve an issue with a pagination routine. Sounds like we're working on a similar routine. I have a query returning products from a database and then display the results in a defined number of products per page. Checkout - 'Newbie question, Which way is best?' in this newsgroup. George George: Which is the best way? Well of course, my way. :-) Here's a demo (with code): http://webbytedd.com/bbb/paging/ Your page pops up my JavaScript error console... Reference to undefined variable: startup :) Cheers, Rob. -- http://www.interjinn.com Application and Templating Framework for PHP -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] php book
Lamp Lists [EMAIL PROTECTED] wrote: opinions of good book is almost the same as opinion of good car. !-- Snip -- I myself prefer books along the lines of the Sam's teach yourself * in * hours/minutes series. I picked up the PHP/MySQL/Apache book when I first started learning PHP and still keep it around. I have looked at the Bibles around for PHP and other languages but prefer books that give you the entire chunk of code they are talking about instead of piece-mealing it together, It's the Context that is important to me. But I generally keep a browser pointed to php.net and search the functions on the site while trying to get a particularly irritating bit of code to mesh with the rest. YMMV, Wolf -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Newbie question, Which way is best?
On Mar 19, 2008, at 5:13 PM, George J wrote:
Hi Jason,
Hope this helps -
my 'display_products.php' script
--
form method='post' action='display_products.php'
...
input type='hidden' name= 'query' value=$query
input type='submit' Value='Go'/td
...
// pagination routine
conditional code...
}else{
echo(a href=\display_products.php?page=$i\img src=$st border=
\0\
/a );
}
---
So calling the script via the form works i.e it passes the neccessary
variables to constrct the sql query for the next call. If the user
clicks
one of the pagination links, that calls itself, all that is passed
is the
page=$i variable. I need to include the 'SELECT * FROM...' query
either as a
string or an array of seperate values for the changed query.
So, as I see it, the pagination links won't POST the form variables.
How do
I pass the 'SELECT * FROM mytable WHERE selection=option LIMIT
start, range'
query
to the called script?
George
I don't know if anyone has answered the question you have asked at
least twice... How do I pass the query to the next page? Here's how
I would approach it. Don't pass the query - all you need is the page
number. This code hasn't been tested, but I think you'll get the idea.
?php
// thispage.php
if (isset ($_POST['submitted'])) {
$resultsPerPage = 50; // or whatever value
$page = mysql_real_escape_string ($_POST['page']);
$start = ($page * $resultsPerPage) - $resultsPerPage;
$length = $start + $resultsPerPage;
// Notice how you don't send the query in the POST or GET, just
the page number
$sql = SELECT `field` FROM `table` WHERE (`field_a` =
'someValue') LIMIT $start, $length;
$results = mysql_query ($sql);
}
// Go to next page
$page = $_POST['page'] ? (int) $_POST['page'] + 1 : 1;
?
...
form method=post action=thispage.php
input type=submit value=Go /
input type=hidden name=page value=?php echo htmlentities
($page); ? /
input type=hidden name=submitted value=1 /
/form
...
?php
while ($row = mysql_fetch_array ($results, MYSQL_ASSOC)) {
// Display results
}
?
Hopefully that helps a little bit.
~Philip
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RE: [PHP] Checking how many letters are in a string.
-Original Message- From: tedd Chapter 4 is all about l16n, L10n, and Unicode. Makes a good read. What's l16n? Did you mean i18n (internationasation)? (I'm not being a pedant; just wondered if I was missing something) :) Edward -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Double click problem
On Thu, Mar 20, 2008 at 10:39 AM, Lamp Lists [EMAIL PROTECTED] wrote:
the way I solved the click back button issue (simplified vresion):
confirmation page (conf.php) - transfer page (tp.php) - thank you page
(typ.php)
#conf.php
# after the form is submitted and confirmed
header('location: tp.php?url=typ.php');
exit;
#tp.php
header('location:$_GET['url']);
exit;
and, if visitor clicks on back button on thakyou page he will go actually to
the transfer page - which will send him back to thankyou page
;)
-ll
- Original Message
From: tedd [EMAIL PROTECTED]
To: php-general@lists.php.net
Sent: Wednesday, March 19, 2008 11:43:06 AM
Subject: Re: [PHP] Double click problem
At 4:19 PM + 3/19/08, Richard Heyes wrote:
tedd wrote:
// ...
Your first (and the quickest by far) method to employ would be to
disable the submit button using Jabbascript when the form is
submitted. That will stop the vast majority of occurrences. You
could also employ an intermediary page which actually does the card
processing and when complete redirects to the thank you page. ie.
Form -- Please wait... page -- Thank you page
That's in place. The person clicks the confirm purchase and they
are taken to a confirm and thank you page.
The problem here is two fold -- 1) clicking the confirm
purchasebutton twice, which I think js will stop; 2) and clicking
the back-button which the token should stop.
Now, I just need to develop a test for this. Sometime writing a test
is more of a problem than writing the solution.
Thanks for everyone's help.
Cheers,
tedd
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Allowing unscrubbed user data in a header is a really bad idea.
- http://en.wikipedia.org/wiki/HTTP_response_splitting
- http://www.owasp.org/index.php/Open_redirect
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[PHP] newbie question about one php script passing control to another
Hello. I am new to php programming, but have spent many years programming in many other languages, most recently perl (with which php seems to have much in common!). In every other language I've worked with there is a way for one program to pass control to another. However, so far in all of the books and other documentation I've looked at for php, I cannot find a way for one php program to pass control to another. Is this possible in php, and, if so, please let me know how. Thank you. Rod Clay [EMAIL PROTECTED] -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Newbie question, Which way is best?
Thiago Pojda [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
De: George J [mailto:[EMAIL PROTECTED]
So calling the script via the form works i.e it passes the
neccessary variables to constrct the sql query for the next
call.
As Shawn said, if you really need the query again add it to session,
never,
NEVER give the user the ability to see/execute queries by himself
(remember
POST data could be easily manipulated). Remember what Daniel said, adding
a
DELETE FROM is not hard and veeery bad
OK. I see the logic.
Ok, let me ask you something. Why post to itself? You could have a script
only to do form actions, that way you can:
1 Separate huge php validations with your html form.
2 Use functions to handle the incoming data and writing the new query (or
the old one again).
I suspect that most folk in my position start the learning process by
finding a script that does a similar task and adapting it. This is basically
what I've done. I started by finding a form example and then added a
pagination routine then... Several deadends later... Not the best way to
write anything but the simplest of scripts. However, the numerous changes to
the code has entailed lots of learning during the process. So in answer to
your question. I didn't set out with any idea of the best way to write the
script. Just a broad idea of what I wanted to end up with.
As it's built at server side, the user is never going to see your query or
[1]manipulate it as you're writing it all over again, just using your old
parameters (they could be added as hidden fields in the form if strictly
necessary).
So, as I see it, the pagination links won't POST the form
variables. How do I pass the 'SELECT * FROM mytable WHERE
selection=option LIMIT start, range'
query to the called script?
You should try building a default query where you only add the parameters
given by the user. If you can't seem to recover that, add them to
$_SESSION
and you'll be fine next time you want them (if you don't overwrite it
=] ).
My query code-
---SQL query construction block
$query = SELECT * FROM prods ;
if($catagory != 0){ //
if category != 0
$where=WHERE c = $catagory ;
if ($manu != 0){ // check
manu != 0
$and = AND m = $manu ;
if ($searchstring != 0){
$and = $and.AND description LIKE \%$searchstring%\ ; //
check like != 0
}
}else{
...
$query=$query.$where.$and.$like
---
Can you please explain your suggestion above in laymans terms. I can't see
what you have in mind. Is it your suggestion to use one script, containing a
from, that calls another script that handles my query construction? That far
I follow you but what happens next?
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Re: [PHP] Double click problem
- Original Message
From: Eric Butera [EMAIL PROTECTED]
To: Lamp Lists [EMAIL PROTECTED]
Cc: tedd [EMAIL PROTECTED]; php-general@lists.php.net
Sent: Thursday, March 20, 2008 11:00:19 AM
Subject: Re: [PHP] Double click problem
On Thu, Mar 20, 2008 at 10:39 AM, Lamp Lists [EMAIL PROTECTED] wrote:
the way I solved the click back button issue (simplified vresion):
confirmation page (conf.php) - transfer page (tp.php) - thank you page
(typ.php)
#conf.php
# after the form is submitted and confirmed
header('location: tp.php?url=typ.php');
exit;
#tp.php
header('location:$_GET['url']);
exit;
and, if visitor clicks on back button on thakyou page he will go actually to
the transfer page - which will send him back to thankyou page
;)
-ll
- Original Message
From: tedd [EMAIL PROTECTED]
To: php-general@lists.php.net
Sent: Wednesday, March 19, 2008 11:43:06 AM
Subject: Re: [PHP] Double click problem
At 4:19 PM + 3/19/08, Richard Heyes wrote:
tedd wrote:
// ...
Your first (and the quickest by far) method to employ would be to
disable the submit button using Jabbascript when the form is
submitted. That will stop the vast majority of occurrences. You
could also employ an intermediary page which actually does the card
processing and when complete redirects to the thank you page. ie.
Form -- Please wait... page -- Thank you page
That's in place. The person clicks the confirm purchase and they
are taken to a confirm and thank you page.
The problem here is two fold -- 1) clicking the confirm
purchasebutton twice, which I think js will stop; 2) and clicking
the back-button which the token should stop.
Now, I just need to develop a test for this. Sometime writing a test
is more of a problem than writing the solution.
Thanks for everyone's help.
Cheers,
tedd
--
---
http://sperling.com http://ancientstones.com http://earthstones.com
--
PHP General Mailing List (http://www.php.net/)
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Looking for last minute shopping deals?
Find them fast with Yahoo! Search.
http://tools.search.yahoo.com/newsearch/category.php?category=shopping
Allowing unscrubbed user data in a header is a really bad idea.
- http://en.wikipedia.org/wiki/HTTP_response_splitting
- http://www.owasp.org/index.php/Open_redirect
I agree with you to use exactly this way is bad idea.
But, as I said on the begining of my post it's simplified version, to get my
point. My code on tp.php actually use sveral validations before forward to
thank you page :D
-ll
Looking for last minute shopping deals?
Find them fast with Yahoo! Search.
http://tools.search.yahoo.com/newsearch/category.php?category=shopping
RE: [PHP] newbie question about one php script passing control to another
Im not sure I understand the question.
Pass control from index.php to welcome.php ???
index.php : ? echo form action=welcome.php method=postinput type=hidden
name=tagme value=yesinput type=submit value='Continue'/form; ?
welcome.php ? if($_POST['tagme'] == yes){
echo Congrats you are there;}ELSE{echo You failed;}
?
That kind of pass control?
Hello. I am new to php programming, but have spent many years
programming in many other languages, most recently perl (with which php
seems to have much in common!). In every other language I've worked
with there is a way for one program to pass control to another.
However, so far in all of the books and other documentation I've looked
at for php, I cannot find a way for one php program to pass control to
another. Is this possible in php, and, if so, please let me know how.
Thank you.
Rod Clay
[EMAIL PROTECTED]
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[PHP] why use {} around vraiable?
hi,
I saw several times that some people use this
$parameters = array(
'param1' = {$_POST[param1]},
'param2' = {$_POST[param2]}
);
or
$query = mysql_query(SELECT * FROM table1 WHERE id='{$session_id}');
I would use:
$parameters = array(
'param1' = $_POST[param1],
'param2' = $_POST[param2]
);
and
$query = mysql_query(SELECT * FROM table1 WHERE id=' .$session_id. ' );
does it really matter? is there really difference or these are just two
styles?
thanks.
-ll
Be a better friend, newshound, and
know-it-all with Yahoo! Mobile. Try it now.
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Re: [PHP] why use {} around vraiable?
On Thu, 2008-03-20 at 09:22 -0700, Lamp Lists wrote:
hi,
I saw several times that some people use this
$parameters = array(
'param1' = {$_POST[param1]},
'param2' = {$_POST[param2]}
);
Ignorance.
or
$query = mysql_query(SELECT * FROM table1 WHERE id='{$session_id}');
Ignorance/Habit since you only need to do that if the context of the
variable is ambiguous... for instance:
$something = Something blah $blehblah blah blah.
When what was really wanted was:
$something = Something blah {$bleh}blah blah blah.
One would hope that in the example you provided the developer properly
escaped $session_id.
I would use:
$parameters = array(
'param1' = $_POST[param1],
'param2' = $_POST[param2]
);
I sure would too (although I'd use single quotes for the array indices).
I'd also append a dangling , to that last array entry to make it
simplistic to add another entry and never worry about having to add a ,
to the previous entry. The following is perfectly legal in PHP and is an
intentional feature:
$parameters = array
(
'param1' = $_POST['param1'],
'param2' = $_POST['param2'],
);
and
$query = mysql_query(SELECT * FROM table1 WHERE id=' .$session_id.
' );
That's broken unless you're relying on a MySQL type conversion trick to
match the session ID since you've prepended and appended the id match
with spaced. You probably meant to type:
SELECT * FROM table1 WHERE id='.$session_id.'
In that case, I normally do similar for queries, except mine look more
like:
SELECT * FROM table1 WHERE id=.$db-quote( $session_id ).
Where the quote() method performs both the quoting and the escaping.
does it really matter? is there really difference or these are just two
styles?
It matters greatly if it's incorrect :) Otherwise it matters less so but
one is more efficient than the other. There's absolutely no reason to
interpolate a value if the value is the variable's value itself.
Cheers,
Rob.
--
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Application and Templating Framework for PHP
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Re: [PHP] why use {} around vraiable?
On Mar 20, 2008, at 12:22 PM, Lamp Lists wrote:
hi,
I saw several times that some people use this
$parameters = array(
'param1' = {$_POST[param1]},
'param2' = {$_POST[param2]}
);
or
$query = mysql_query(SELECT * FROM table1 WHERE id='{$session_id}');
I would use:
$parameters = array(
'param1' = $_POST[param1],
'param2' = $_POST[param2]
);
and
$query = mysql_query(SELECT * FROM table1 WHERE id=' .
$session_id. ' );
I may have been the one you were talking about so I figured I should
reply. I picked up the habit doing that for stuff that was being
displayed using HEREDOC. When I asked for some help awhile back on a
project I was working on and they said to use HEREDOC, and gave an
example of how to do it and they had all the variables surrounded with
{} So I assumed you had to do it that way...
Anyone care to correct me?
--
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Technology Manager
MQC Specialist
3251 132nd ave
Holland, MI, 49424-9337
www.raoset.com
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Re: [PHP] why use {} around vraiable?
On Thu, Mar 20, 2008 at 12:22 PM, Lamp Lists [EMAIL PROTECTED] wrote:
hi,
I saw several times that some people use this
$parameters = array(
'param1' = {$_POST[param1]},
'param2' = {$_POST[param2]}
);
or
$query = mysql_query(SELECT * FROM table1 WHERE id='{$session_id}');
I would use:
$parameters = array(
'param1' = $_POST[param1],
'param2' = $_POST[param2]
);
and
$query = mysql_query(SELECT * FROM table1 WHERE id=' .$session_id. '
);
does it really matter? is there really difference or these are just two
styles?
the short answer is yes.
i think you can find a sufficient explanation here,
http://us.php.net/manual/en/language.types.string.php#language.types.string.parsing.simple
and here
http://us.php.net/manual/en/language.types.string.php#language.types.string.parsing.complex
-nathan
Re: [PHP] newbie question about one php script passing control to another
Yes, let me try to say more about exactly what I'm trying to do. I have
a php script running in a browser window (opened specifically for this
purpose) in which the user keys a blog item, then hits 'submit.' After
this script has successfully added the new blog item to the database,
what I'd like to do is automatically close this window, and pass control
to the php script that displays the updated list of blog items (with of
course the newly added blog item) in the original browser window (the
window the user was looking at when s/he clicked on the 'Add a blog'
link).
[EMAIL PROTECTED] wrote:
Im not sure I understand the question.
Pass control from index.php to welcome.php ???
index.php : ? echo form action=welcome.php method=postinput type=hidden name=tagme
value=yesinput type=submit value='Continue'/form; ?
welcome.php ? if($_POST['tagme'] == yes){
echo Congrats you are there;}ELSE{echo You failed;}
?
That kind of pass control?
Hello. I am new to php programming, but have spent many years
programming in many other languages, most recently perl (with which php
seems to have much in common!). In every other language I've worked
with there is a way for one program to pass control to another.
However, so far in all of the books and other documentation I've looked
at for php, I cannot find a way for one php program to pass control to
another. Is this possible in php, and, if so, please let me know how.
Thank you.
Rod Clay
[EMAIL PROTECTED]
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Re: [PHP] why use {} around vraiable?
Lamp Lists wrote:
hi,
I saw several times that some people use this
$parameters = array(
'param1' = {$_POST[param1]},
'param2' = {$_POST[param2]}
);
or
$query = mysql_query(SELECT * FROM table1 WHERE id='{$session_id}');
I would use:
$parameters = array(
'param1' = $_POST[param1],
'param2' = $_POST[param2]
);
and
$query = mysql_query(SELECT * FROM table1 WHERE id=' .$session_id. ' );
does it really matter? is there really difference or these are just two
styles?
thanks.
-ll
Be a better friend, newshound, and
know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
The brackets are used to enforce that the entire contents between them
is a variable. It helps when you're using class members.
$example = this is an {$example-text};
It's also handy when you're putting variables in a heredoc.
I would suggest not using {$_POST[param1]}, like you said. It's
just going to make PHP figure out the string, then put the value in that
string. If you really wanted to make sure it's a string type then you
can do (string)$_POST['param1'].
The short answer is you can do it the way you're doing and everything
will work out just fine :)
--
Ray Hauge
www.primateapplications.com
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Re: [PHP] why use {} around vraiable?
On 20/03/2008, Lamp Lists [EMAIL PROTECTED] wrote:
hi,
I saw several times that some people use this
$parameters = array(
'param1' = {$_POST[param1]},
'param2' = {$_POST[param2]}
);
or
$query = mysql_query(SELECT * FROM table1 WHERE id='{$session_id}');
I would use:
$parameters = array(
'param1' = $_POST[param1],
'param2' = $_POST[param2]
);
and
$query = mysql_query(SELECT * FROM table1 WHERE id=' .$session_id. ' );
does it really matter? is there really difference or these are just two
styles?
yes, it matters when you're trying to include a complex variable
this is a $variable; # ok
this is an $array[12]; # ok
this is an $array[word]; # warning under E_STRICT
this is an $array[two words]; # not ok, can't have whitespace
this is an {$array[two words]}; # not ok, indexes should be quoted
this is an {$array['two words']}; # ok
this is an $object-property; # ok if you're after the property
this is an {$object}-property; # but you need brackets if you want
the object as a string
etc...
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[PHP] Re: Playing around with strings
On 20/03/2008, Robin Vickery [EMAIL PROTECTED] wrote:
Hiyah,
Here's a trick you can use to evaluate expressions within strings. It
may not be particularly useful, but I thought it was interesting.
It exploits two things:
1. If you interpolate an array element within a string, the index of
the element is evaluated as a php expression.
2. You can can make your own magic arrays by extending arrayObject.
?php
class identityArrayObject extends arrayObject
{
public function offsetGet($index)
{
return $index;
}
}
$eval = new identityArrayObject;
print The square root of {$eval[pow(2,2)]} is {$eval[sqrt(4)]} \n;
print Price: $price GBP ({$eval[$price * 1.175]} GBP including tax) \n;
?
You can extend it to add your own formatting elements:
?php
class uppercaseArrayObject extends arrayObject
{
public function offsetGet($index)
{
return strtoupper($index);
}
}
$U = new uppercaseArrayObject;
$city = 'edinburgh';
print The capital of Scotland is $U[$city] \n;
?
More generic:
?php
class transformArrayObject extends arrayObject
{
protected $transform;
public function __construct($transform = null)
{
$this-transform = is_null($transform) ? array($this, 'identity')
: $transform;
}
public function offsetGet($index)
{
return call_user_func($this-transform, $index);
}
public function identity($index)
{
return $index;
}
}
$eval = new transformArrayObject;
$U= new transformArrayObject('strtoupper');
$u= new transformArrayObject('ucfirst');
$L= new transformArrayObject('strtolower');
$GBP = new transformArrayObject(create_function('$index', 'return
money_format(%n, $index);'));
$price = 50;
$tax = 1.175;
$city = 'EdInBurGH';
print A ticket to $U[$city] is: $GBP[$price] ({$GBP[$price * $tax]}
including VAT)\n;
// A ticket to EDINBURGH is: £50.00 (£58.75 including VAT)
?
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Re: [PHP] why use {} around vraiable?
On Mar 20, 2008, at 922AM, Lamp Lists wrote:
$query = mysql_query(SELECT * FROM table1 WHERE id='{$session_id}');
For a non-array value, the curly braces are unnecessary:
$query = mysql_query(SELECT * FROM table1 WHERE id='$session_id')
WIth an array element, you have to either use the curly braces or do
as you have and end the string, concat the value and start the string
again as needed.
$query = mysql_query(SELECT * FROM table1 WHERE id='{$clean['id']}')
When dealing with array elements, I use the curly braces method. IMO
it's cleaner and easier to read.
I would use:
$parameters = array(
'param1' = $_POST[param1],
'param2' = $_POST[param2]
);
This is how I do it as well.
does it really matter? is there really difference or these are just
two styles?
IMO, it's a matter of preference and style. There may be performance
differences between the two, but I doubt that either one is so much
worse than the other that it would have a noticeable impact on your
script in most situations.
Brady
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Re: [PHP] why use {} around vraiable?
- Original Message
From: Nathan Nobbe [EMAIL PROTECTED]
To: Lamp Lists [EMAIL PROTECTED]
Cc: php-general@lists.php.net
Sent: Thursday, March 20, 2008 11:35:42 AM
Subject: Re: [PHP] why use {} around vraiable?
On Thu, Mar 20, 2008 at 12:22 PM, Lamp Lists [EMAIL PROTECTED] wrote:
hi,
I saw several times that some people use this
$parameters = array(
'param1' = {$_POST[param1]},
'param2' = {$_POST[param2]}
);
or
$query = mysql_query(SELECT * FROM table1 WHERE id='{$session_id}');
I would use:
$parameters = array(
'param1' = $_POST[param1],
'param2' = $_POST[param2]
);
and
$query = mysql_query(SELECT * FROM table1 WHERE id=' .$session_id. '
);
does it really matter? is there really difference or these are just two
styles?
the short answer is yes.
i think you can find a sufficient explanation here,
http://us.php.net/manual/en/language.types.string.php#language.types.string.parsing.simple
and here
http://us.php.net/manual/en/language.types.string.php#language.types.string.parsing.complex
-nathan
ok. I got it.
actually, my question was about: these two examples
$fruits = array('strawberry' = 'red', 'banana' = 'yellow');
echo A banana is {$fruits['banana']}.;
echo A banana is . $fruits['banana'] . .;
are the same.
Though, learned few more other things too :D
Thanks guys.
-ll
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[PHP] Re: selling gpl software?
Larry Garfield wrote: If the code is work for hire and the initial ownership is with the client/company, then there is no distribution and so you are not required to do anything. That includes if you are a full time employee of the company. OK, that's more or less my understanding. It is my understanding that, by default, contracting law states that any work done under contract is your (the contractor's) copyright (e.g. on a very loose contract that is the default case). Many employers of contractors will typically change this default stance. So in the OP's case, if he takes an existing GPLed project, modifies it in whatever way (including removing mention of the original project), and gives a copy to his client, his only legal obligation is to provide the client with the code under the GPL so that the client can, if he wants, pass the code on to someone else under the GPL. Someone else could be a public FTP server or not. I was half assuming the stance of the employer here was that he did not want the changes shared. So assuming this and the above note about contract law etc., then my original statement is correct. Whether these assumptions are correct in themselves (and this my whole thread of assumption breaks down!), I'll leave for future research and happily live in my bubble of ignorance ;) Col -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] newbie question about one php script passing control to another
On Thu, Mar 20, 2008 at 12:37 PM, Rod Clay [EMAIL PROTECTED] wrote: Yes, let me try to say more about exactly what I'm trying to do. I have a php script running in a browser window (opened specifically for this purpose) in which the user keys a blog item, then hits 'submit.' After this script has successfully added the new blog item to the database, what I'd like to do is automatically close this window, and pass control to the php script that displays the updated list of blog items (with of course the newly added blog item) in the original browser window (the window the user was looking at when s/he clicked on the 'Add a blog' link). That would be more of a JavaScript issue, really. Have the user click a link to refresh the parent and close the child. On a different note, you probably got made fun of pretty often for you name (especially last-name-first), eh? My father's name was Dick --- no joke. Yeah he got hell all the time. ;-P -- /Daniel P. Brown Forensic Services, Senior Unix Engineer 1+ (570-) 362-0283 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Newbie question, Which way is best?
George J wrote:
Thiago Pojda [EMAIL PROTECTED] wrote in message
news:[EMAIL PROTECTED]
De: George J [mailto:[EMAIL PROTECTED]
So calling the script via the form works i.e it passes the
neccessary variables to constrct the sql query for the next
call.
As Shawn said, if you really need the query again add it to session,
never,
NEVER give the user the ability to see/execute queries by himself
(remember
POST data could be easily manipulated). Remember what Daniel said, adding
a
DELETE FROM is not hard and veeery bad
OK. I see the logic.
Ok, let me ask you something. Why post to itself? You could have a script
only to do form actions, that way you can:
1 Separate huge php validations with your html form.
2 Use functions to handle the incoming data and writing the new query (or
the old one again).
I suspect that most folk in my position start the learning process by
finding a script that does a similar task and adapting it. This is basically
what I've done. I started by finding a form example and then added a
pagination routine then... Several deadends later... Not the best way to
write anything but the simplest of scripts. However, the numerous changes to
the code has entailed lots of learning during the process. So in answer to
your question. I didn't set out with any idea of the best way to write the
script. Just a broad idea of what I wanted to end up with.
As it's built at server side, the user is never going to see your query or
[1]manipulate it as you're writing it all over again, just using your old
parameters (they could be added as hidden fields in the form if strictly
necessary).
So, as I see it, the pagination links won't POST the form
variables. How do I pass the 'SELECT * FROM mytable WHERE
selection=option LIMIT start, range'
query to the called script?
You should try building a default query where you only add the parameters
given by the user. If you can't seem to recover that, add them to
$_SESSION
and you'll be fine next time you want them (if you don't overwrite it
=] ).
My query code-
---SQL query construction block
$query = SELECT * FROM prods ;
if($catagory != 0){ //
if category != 0
$where=WHERE c = $catagory ;
if ($manu != 0){ // check
manu != 0
$and = AND m = $manu ;
if ($searchstring != 0){
$and = $and.AND description LIKE \%$searchstring%\ ; //
check like != 0
}
}else{
...
$query=$query.$where.$and.$like
---
Can you please explain your suggestion above in laymans terms. I can't see
what you have in mind. Is it your suggestion to use one script, containing a
from, that calls another script that handles my query construction? That far
I follow you but what happens next?
What file is this? is the pagination code in this file also? If not
where? Post you pagination code and this is a simple explanation.
Build your query as you've done and stick it in a session var. It is
now available to future calls to this page or other pages.
-Shawn
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Re: [PHP] Newbie question, Which way is best?
Hi Shawn,
My query code-
---SQL query construction block
$query = SELECT * FROM prods ;
if($catagory != 0){
//
if category != 0
$where=WHERE c = $catagory ;
if ($manu != 0){ //
check
manu != 0
$and = AND m = $manu ;
if ($searchstring != 0){
$and = $and.AND description LIKE \%$searchstring%\ ;
//
check like != 0
}
}else{
...
$query=$query.$where.$and.$like
---
Can you please explain your suggestion above in laymans terms. I can't
see
what you have in mind. Is it your suggestion to use one script,
containing a
from, that calls another script that handles my query construction? That
far
I follow you but what happens next?
What file is this? is the pagination code in this file also? If not
where? Post you pagination code and this is a simple explanation.
Build your query as you've done and stick it in a session var. It is
now available to future calls to this page or other pages.
-Shawn
The above code was included in post to show how query is constructed.
Heres my pagination code.
---
if($page 1){ // if number of pages 1 then display 'Previous' button
$pageprev = $page-1;
echo(a href=\display_products.php?page=$pageprev\img
src=\btnprevenabled.gif\ ALT=\Previous\ border=\0\ /a );
}else{
echo(img src=\btnprevdisnabled.gif\ ALT=\Previous\border=\0\
);
}
//
$numpages = $totalrows / $show; //$show holds number of items to display per
page
// display a button for each page with current page showing disabled button
for($i = 1; $i = $numpages; $i++){
$str1=btn_;
$str2=$i;
if($i == $page){
$str3=$str1.$str2.disabled.gif;
echo(img src=$str3 border=\0\ );
}else{
$str3=$str1.$str2._enabled.gif;
echo(a href=\displayproducts.php?page=$i\img src=$str3
border=\0\ /a );
}
}
// if last page is less than full
if(($totalrows % $show) != 0){
$str2=$i;
if($i == $page){
$str3=$str1.$str2.disabled.gif;
echo(img src=$str3 border=\0\ );//$i );
}else{
$str3=$str1.$str2.enabled.gif;
echo(a href=\displayproducts.php?page=$i\img src=$str3
border=\0\ /a );//$i/a );
}
}
// Display the enabled or disabled 'Next' button
if(($totalrows - ($show * $page)) 0){
//$str3=$str1.$str2.disabled.gif;
$pagenext =$page+1;
echo(a href=\displayproducts.php?page=$pagenext\img
src=\btnnextenabled.gif\ border=\0\ /a);//$i/a );
}else{
$pagenext =$page+1;
echo(img src=\btnnextdisabled.gif\ ALT=\Next\border=\0\
);
}
?
/td/font/tr/table
---
Thanks for sticking with me.
George
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Re: [PHP] newbie question about one php script passing control to another
On Thu, Mar 20, 2008 at 12:08:39PM -0400, Rod Clay wrote:
Hello. I am new to php programming, but have spent many years
programming in many other languages, most recently perl (with which
php seems to have much in common!). In every other language I've
worked with there is a way for one program to pass control to
another. However, so far in all of the books and other documentation
I've looked at for php, I cannot find a way for one php program to
pass control to another. Is this possible in php, and, if so, please
let me know how. Thank you.
This may be what you are looking for:
include('next_program');
exit();
If you do this, you have to keep in mind that all the variables you set
in the first program are *still* set in the second.
This is useful when your first program needs to choose which of two or
more programs to run next depending on its calculations. For example, if
your first program does error checking then it might want to run an
all_ok program or an edit program.
--
To be without a plan is the true genius and glory of the antislavery
movement. The mission of that movement is to preach eternal truths, and
to bear witness to everlasting testimony against the giant falsehoods
which bewitch and enslave the land. -- Nathaniel Peabody Rogers
Rick Pasotto[EMAIL PROTECTED]http://www.niof.net
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Re: [PHP] newbie question about one php script passing control to another
At 12:08 PM -0400 3/20/08, Rod Clay wrote: Hello. I am new to php programming, but have spent many years programming in many other languages, most recently perl (with which php seems to have much in common!). In every other language I've worked with there is a way for one program to pass control to another. However, so far in all of the books and other documentation I've looked at for php, I cannot find a way for one php program to pass control to another. Is this possible in php, and, if so, please let me know how. Thank you. Rod Clay [EMAIL PROTECTED] Rod: If what you mean is one program to launch another, then look at this: http://webbytedd.com/bb/php-run-php/ If you want to pass variables, there's several ways to do that -- but, that's a different question. Cheers, tedd -- --- http://sperling.com http://ancientstones.com http://earthstones.com -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Newbie question, Which way is best?
On Mar 20, 2008, at 12:05 PM, George Jamieson wrote:
Hi Philip,
Hope you don't mind me sending this to you direct. Thanks for the
answer
but... I'm sorry I don't follow you.
My form sets up the query parameters. It works.
My pagination code passes the page no. It works.
What it doesn't do is provide the next execution of my script with the
query. I pass the page no. but how do I either use the same query
but with
new LIMIT parameters or reconstruct the entire query with the new
LIMIT.
My form gives the user options to search by manufacturer, gategory
or search
string. sorted by description, finish or price. I've just added a
drop down
box for number of items to be displayed at a time.
I want to use my pagination script to scroll, page by page, through
the
resultset. So if I call my script again, with the new page number, I
have no
way of reusing the same query as the user is not required to rePOST
the form
with its parameters.
I can't see how your code allows me to do that.
Because I increment the page count ($page) each time... So, each time
you hit Go, then it finds the next page. Of course, this is not really
made for production - you would want to find a more user-friendly way
to accomplish showing a result set.
You could change it up to use _GET instead:
a href=thispage.php?page=3Go to Page 3/a
Then modify your PHP code to accept _GET values along with/instead of
_POST values:
?php
if (isset ($_POST['submitted']) || !empty ($_GET['page'])) {
$page = $_POST['page'] ? (int) $_POST['page'] : (int)
$_GET['page'];
...
}
?
I feel like we've explained this fairly well, but you may not
completely understand. Let us know if we need to break it down a
little bit more. We would be happy to point you to some materials that
can assist you.
~Philip
Regards
George
to the called script?
George
I don't know if anyone has answered the question you have asked at
least twice... How do I pass the query to the next page? Here's how
I would approach it. Don't pass the query - all you need is the page
number. This code hasn't been tested, but I think you'll get the
idea.
?php
// thispage.php
if (isset ($_POST['submitted'])) {
$resultsPerPage = 50; // or whatever value
$page = mysql_real_escape_string ($_POST['page']);
$start = ($page * $resultsPerPage) - $resultsPerPage;
$length = $start + $resultsPerPage;
// Notice how you don't send the query in the POST or GET, just
the page number
$sql = SELECT `field` FROM `table` WHERE (`field_a` =
'someValue') LIMIT $start, $length;
$results = mysql_query ($sql);
}
// Go to next page
$page = $_POST['page'] ? (int) $_POST['page'] + 1 : 1;
?
...
form method=post action=thispage.php
input type=submit value=Go /
input type=hidden name=page value=?php echo htmlentities
($page); ? /
input type=hidden name=submitted value=1 /
/form
...
?php
while ($row = mysql_fetch_array ($results, MYSQL_ASSOC)) {
// Display results
}
?
Hopefully that helps a little bit.
~Philip
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[PHP] MCrypt not decrypting simple text
I'm using MCrypt and I have two very simple functions. All I'm doing is
giving the function some text and a password, it encrypts the text and saves
it as a text file on the server. Then I at some later time run another php
file which decrypts using the decrypt function given the text and the SAME
password as the first time and all I get is garbage. What am I doing wrong?
What do I need to change so that I can get this to work the way I described?
function aes_128_encrypt($text,$password) {
$size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC);
$iv = mcrypt_create_iv($size, MCRYPT_DEV_RANDOM);
$text .= chr(3).chr(3).chr(3);
return bin2hex(mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $password, $text,
MCRYPT_MODE_ECB, $iv));
} // End of function
and
function aes_128_decrypt($encrypted_text,$password) {
$size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC);
$iv = mcrypt_create_iv($size, MCRYPT_DEV_RANDOM);
return mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $password, pack(H*,
$encrypted_text), MCRYPT_MODE_ECB, $iv);
} // End of function
- Dan
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[PHP] Convert html to pdf with php
Does anyone know how to convert an HTML form to a pdf with php? -- Robert Burdo nuschooldesign.com
[PHP] question about customized error
if a user by mistake types the wrong url directly in the address bar ex= www.website.com/abou.php instead of typing www.website.com/aboutus.php instead of the browser displaying File not found or a 404 error message i would like to display a customized page which will still have the same look and feel of my website in terms of the layout and i would like to a) display a message such as = Page could not be found and b) the url that the user originally typed should remain in the browser = I guess this would be the case anyway but i was wondering if something needs to be done in order to reatin the original address the user typed. Does this have to be done from apache perspective or can it be done using php. please suggest the procedure in either case apache OR php. please advice. thanks.
Re: [PHP] Convert html to pdf with php
On Mar 20, 2008, at 4:42 PM, Robert Burdo wrote: Does anyone know how to convert an HTML form to a pdf with php? Have you STFW? =D http://www.google.com/search?q=php+html+to+pdf I use dompdf. Unfortunately, the guy who created it isn't intending to upgrade it. Nonetheless, for most things, it does a good job - just send it the HTML. I've also use fpdf before. If you really want to draw out the PDF yourself, this is the way to go. It's kinda tedious for me. ~Philip -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Convert html to pdf with php
I think Imagemagick will do it. Philip Thompson wrote: On Mar 20, 2008, at 4:42 PM, Robert Burdo wrote: Does anyone know how to convert an HTML form to a pdf with php? Have you STFW? =D http://www.google.com/search?q=php+html+to+pdf I use dompdf. Unfortunately, the guy who created it isn't intending to upgrade it. Nonetheless, for most things, it does a good job - just send it the HTML. I've also use fpdf before. If you really want to draw out the PDF yourself, this is the way to go. It's kinda tedious for me. ~Philip -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] question about customized error
Sudhakar wrote: if a user by mistake types the wrong url directly in the address bar ex= www.website.com/abou.php instead of typing www.website.com/aboutus.php instead of the browser displaying File not found or a 404 error message i would like to display a customized page which will still have the same look and feel of my website in terms of the layout and i would like to a) display a message such as = Page could not be found and b) the url that the user originally typed should remain in the browser = I guess this would be the case anyway but i was wondering if something needs to be done in order to reatin the original address the user typed. Does this have to be done from apache perspective or can it be done using php. please suggest the procedure in either case apache OR php. Both will be involed. You will use what is referred to as the ErrorDocument entry. Have apache enforce a customer ErrorDocument for a 404 error. Then create a php script that is referred to by the ErrorDocument entry. error404.php ?php echo Page not found, check your spelling and try again.; ? please advice. thanks. -- Jim Lucas Some men are born to greatness, some achieve greatness, and some have greatness thrust upon them. Twelfth Night, Act II, Scene V by William Shakespeare -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Re: fwrite/fclose troubles
Peter Ford wrote:
Mark Weaver wrote:
Hi all,
I've been lurking and reading now for some time, but have decided to
come out of the shadows cause I've got an issue that's gonna drive me
crazy!
I'm developing an application and within this application is a class
that is very simple and only serves a singular purpose - to make log
entries to help with debugging. Problem is, now I'm debugging the damned
logging class that is supposed to be helping me debug the application as
I'm putting it together! sigh I've looked and looked all over the
place, but I don't seem to be able to find an answer to this problem.
The only information that I have found so far deals with permissions and
I don't think that's the problem. At first I was getting an access
denied error but since setting dir perms and log file perms so that both
apache and my user can right to both the directory and the file that one
has gone away.
Log Directory permissions: /mystuff/logs rwx-rwx-rwx
(777)
Log file permissions: /mystuff/logs/run.log rwx-rwx-rwx
(777)
At any rate, the following is the information I'm getting in the apache
error_log while working on this particular portion of the application:
PHP Warning: fwrite(): supplied argument is not a valid stream resource
in /mystuff/inc/Log.inc on line 22,
PHP Warning: fclose(): supplied argument is not a valid stream resource
in /mystuff/inc/Log.inc on line 23,
The Log class:
-
class Log{
public $path, $entry, $logfile;
public function Log(){}
public function setLog($path,$file){
$this-path = $path;
$this-logfile = $file;
}
public function writeLog($entry){
// open the file, in this case the log file
$h = $this-path/$this-logfile;
fopen($h, 'a+');
fwrite($h,$entry);
fclose($h);
}
}
Code snippet where attempting to write log entry from program:
$pl_log = new Log;
$pl_log-setLog($logpath,run.log);
$usernanme = $_POST['username'];
$password = $_POST['secret'];
/**
* (debugging) logging incoming values from form:
*/
$pl_log-writeLog(getDateTime(): Incoming values from Login
Form:
blah...blah...blah\n);
Any help with this would be most appreciated. (be gentle... I'm a PERL
program learning PHP OOP)
As Stut pointed out, you've misunderstood the difference between a file
resource and a file name.
Try something like:
public function writeLog($entry)
{
// open the file, in this case the log file
$fileName = $this-path.'/'.$this-logfile;
$h = fopen($fileName, 'a+');
fwrite($h,$entry);
fclose($h);
}
The file resource that fwrite and fclose need is the *result* of opening
the file, not the file name as you were doing.
Ideally, you would check the value of $h after the fopen call, to make
sure that it had successfully opened the file.
Also, I changed the way you were constructing the file name:
interpolating the variables in a string is slightly less efficient than
concatenating the bits together, and there are possible gotchas when
using the $this-variable structure in a string like that.
An alternative syntax is to escape the variables with braces:
$fileName = {$this-path}/{$this-logfile};
Hi Peter,
Thank you for that information. I'm rather new at this sort of PHP
coding and a bit embarrassed at the amount of OOP I've forgotten since
college. Clearly there's a lot to learn. Like this concept of escaping
you've mentioned. Until now the only type of escaping I'm familiar
with from PERL is something like this: \$$some_dollar_amount, but I have
a feeling escaping things in PHP oop is quite a bit different. I
haven't quite gotten my head around some of the stuff I've been reading
about, but it's coming.
--
Mark
If you have found a very wise man, then you've found a man that at one
time was an idiot and lived long enough to learn from his own stupidity.
==
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Re: [PHP] Will the progress bar like Xupload add too much weight to the Apache server?
Sorry. I won't. :( On Thu, Mar 20, 2008 at 11:01 PM, Daniel Brown [EMAIL PROTECTED] wrote: On Thu, Mar 20, 2008 at 2:32 AM, Shelley [EMAIL PROTECTED] wrote: Hi all, Here is the Xupload progress bar link: http://www.sibsoft.net/xupload.html My question is: Will the upload progress bar like that add too much weight to the Apache server, especially to a server with millions of visitors each day? You consistently ask irrelevant questions here. Not only is Xupload not written in PHP, your question relates to Perl and Apache --- not at all to PHP. Please select the correct list when asking questions. -- /Daniel P. Brown Forensic Services, Senior Unix Engineer 1+ (570-) 362-0283 -- Regards, Shelley
