php-general Digest 10 Aug 2011 18:34:59 -0000 Issue 7438
php-general Digest 10 Aug 2011 18:34:59 - Issue 7438
Topics (messages 314459 through 314463):
Re: Using function prototypes in code
314459 by: Stuart Dallas
314460 by: Tim Streater
314461 by: David Harkness
314462 by: Simon J Welsh
text insertion
314463 by: Chris Stinemetz
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--
---BeginMessage---
On 10 Aug 2011, at 02:10, Frank Thynne wrote:
In the interest of clarity and maintainability I would like to be able
to write code that makes it clear what kind of arguments a function
expects and what it returns.
This is what I tried:
function integer int_func(string $s) {
// does something like, say, converting five to 5
}
There are two problems:
1 The appearance of a type name before the function name is treated as
a syntax error
2 Even if I forget about declaring the return type and code it instead
as
function int_func(string $s) {
...
}
I get a run-time error when I call the function with a string. (eg
$var = int_func(five);) The error message saysCatchable fatal
error: Argument 1 passed to int_func() must be an instance of string,
string given.
It seems that basic data types cannot be specified in ths way although
(intstances of) classes can. I have successfully used the technique to
catch run-time errors of wrong object types when testing, but am
surprised that I can't use it to trap unexpected basic types - or at
least to document what is expected.
To confuse me a bit further, I can't find a definitive list of the
basic type names. For example, is it integer or int?
The manual says...
Type Hints can only be of the object and array (since PHP 5.1) type.
Traditional type hinting with int and string isn't supported.
http://php.net/language.oop5.typehinting
-Stuart
--
Stuart Dallas
3ft9 Ltd
http://3ft9.com/---End Message---
---BeginMessage---
On 10 Aug 2011 at 02:10, Frank Thynne frank.thy...@gmail.com wrote:
In the interest of clarity and maintainability I would like to be able
to write code that makes it clear what kind of arguments a function
expects and what it returns.
So add the appropriate comments to your functions.
This is what I tried:
function integer int_func(string $s) {
// does something like, say, converting five to 5
}
There are two problems:
1 The appearance of a type name before the function name is treated as
a syntax error
2 Even if I forget about declaring the return type and code it instead
as
function int_func(string $s) {
...
}
I get a run-time error when I call the function with a string. (eg
$var = int_func(five);) The error message saysCatchable fatal
error: Argument 1 passed to int_func() must be an instance of string,
string given.
Why are you doing this when the documentation clearly states that this is not
how it works. Did you not read up about it first?
It seems that basic data types cannot be specified in ths way although
(intstances of) classes can. I have successfully used the technique to
catch run-time errors of wrong object types when testing, but am
surprised that I can't use it to trap unexpected basic types - or at
least to document what is expected.
This is PHP, not FORTRAN IV.
Personally I see it as a great step forward that for the most part, I don't
have to bother.
--
Cheers -- Tim
---End Message---
---BeginMessage---
On Tue, Aug 9, 2011 at 6:10 PM, Frank Thynne frank.thy...@gmail.com wrote:
function integer int_func(string $s) {
// does something like, say, converting five to 5
}
As Stuart pointed out, type-hinting currently only works for classes and
arrays. Scalar type-hinting is planned for the future, but for now you're
left with enforcing it in the function itself. You can create a class with
static helpers to make this easier if you're going to do it frequently.
As for documentation, go with the PHPDoc standard:
/**
* Converts a spelled-out number to the equivalent integer.
*
* @param string $s must be a spelled out number, e.g. five rather than
5.
* @return int
*/
function int_func($s) { ... }
To confuse me a bit further, I can't find a definitive list of the
basic type names. For example, is it integer or int?
I use int and bool with the rest spelled out which works with casting.
Peace,
David
---End Message---
---BeginMessage---
On 10/08/2011, at 1:10 PM, Frank Thynne wrote:
To confuse me a bit further, I can't find a definitive list of the
basic type names. For example, is it integer or int?
Both.
http://php.net/manual/en/language.types.type-juggling.php#language.types.typecasting
---
Simon Welsh
Admin of http://simon.geek.nz/
---End Message---
---BeginMessage---
How do
Re: [PHP] Using function prototypes in code
On 10 Aug 2011 at 02:10, Frank Thynne frank.thy...@gmail.com wrote:
In the interest of clarity and maintainability I would like to be able
to write code that makes it clear what kind of arguments a function
expects and what it returns.
So add the appropriate comments to your functions.
This is what I tried:
function integer int_func(string $s) {
// does something like, say, converting five to 5
}
There are two problems:
1 The appearance of a type name before the function name is treated as
a syntax error
2 Even if I forget about declaring the return type and code it instead
as
function int_func(string $s) {
...
}
I get a run-time error when I call the function with a string. (eg
$var = int_func(five);) The error message saysCatchable fatal
error: Argument 1 passed to int_func() must be an instance of string,
string given.
Why are you doing this when the documentation clearly states that this is not
how it works. Did you not read up about it first?
It seems that basic data types cannot be specified in ths way although
(intstances of) classes can. I have successfully used the technique to
catch run-time errors of wrong object types when testing, but am
surprised that I can't use it to trap unexpected basic types - or at
least to document what is expected.
This is PHP, not FORTRAN IV.
Personally I see it as a great step forward that for the most part, I don't
have to bother.
--
Cheers -- Tim
--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Using function prototypes in code
On Tue, Aug 9, 2011 at 6:10 PM, Frank Thynne frank.thy...@gmail.com wrote:
function integer int_func(string $s) {
// does something like, say, converting five to 5
}
As Stuart pointed out, type-hinting currently only works for classes and
arrays. Scalar type-hinting is planned for the future, but for now you're
left with enforcing it in the function itself. You can create a class with
static helpers to make this easier if you're going to do it frequently.
As for documentation, go with the PHPDoc standard:
/**
* Converts a spelled-out number to the equivalent integer.
*
* @param string $s must be a spelled out number, e.g. five rather than
5.
* @return int
*/
function int_func($s) { ... }
To confuse me a bit further, I can't find a definitive list of the
basic type names. For example, is it integer or int?
I use int and bool with the rest spelled out which works with casting.
Peace,
David
Re: [PHP] Using function prototypes in code
On 10/08/2011, at 1:10 PM, Frank Thynne wrote: To confuse me a bit further, I can't find a definitive list of the basic type names. For example, is it integer or int? Both. http://php.net/manual/en/language.types.type-juggling.php#language.types.typecasting --- Simon Welsh Admin of http://simon.geek.nz/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] text insertion
How do I preserve text formatting when text is inserted into a database table? For example: I am using a textarea to allow users to leave comments into the database and I am using: ' . mysql_real_escape_string($_POST['store_comments']) . ', to prevent SQL injection; But when I call the data with php from the database the format it was inserted is not preserved. Is there a way to make sure when a user adds new paragraphs or indentation it will be preserved? Thank you, Chris -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] text insertion
Chris Stinemetz chrisstinem...@gmail.com wrote: How do I preserve text formatting when text is inserted into a database table? For example: I am using a textarea to allow users to leave comments into the database and I am using: ' . mysql_real_escape_string($_POST['store_comments']) . ', to prevent SQL injection; But when I call the data with php from the database the format it was inserted is not preserved. Is there a way to make sure when a user adds new paragraphs or indentation it will be preserved? Thank you, Chris -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php Are you sure its not preserved? When you output text in a browser, by default its output as html, not plain text. Html ignores extraneous whitespace, and doesn't use a monospaced font, so formatting text into columns in a textarea won't work either. Look at the html source code to see what is actually being output. Thanks, Ash http://www.ashleysheridan.co.uk -- Sent from my Android phone with K-9 Mail. Please excuse my brevity. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] text insertion
Are you sure its not preserved? When you output text in a browser, by default its output as html, not plain text. Html ignores extraneous whitespace, and doesn't use a monospaced font, so formatting text into columns in a textarea won't work either. Look at the html source code to see what is actually being output. Thanks Ashley Source is showing indentation and new paragaraphs just as I inserted the text. How can I get HTML output to show same format? Chris -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] text insertion
You could try using markdown too. Sent from my iPhone On Aug 10, 2011, at 3:57 PM, Ashley Sheridan a...@ashleysheridan.co.uk wrote: Chris Stinemetz chrisstinem...@gmail.com wrote: How do I preserve text formatting when text is inserted into a database table? For example: I am using a textarea to allow users to leave comments into the database and I am using: ' . mysql_real_escape_string($_POST['store_comments']) . ',to prevent SQL injection; But when I call the data with php from the database the format it was inserted is not preserved. Is there a way to make sure when a user adds new paragraphs or indentation it will be preserved? Thank you, Chris -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php Are you sure its not preserved? When you output text in a browser, by default its output as html, not plain text. Html ignores extraneous whitespace, and doesn't use a monospaced font, so formatting text into columns in a textarea won't work either. Look at the html source code to see what is actually being output. Thanks, Ash http://www.ashleysheridan.co.uk -- Sent from my Android phone with K-9 Mail. Please excuse my brevity. -- 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
Re: [PHP] text insertion
:On Wed, Aug 10, 2011 at 16:02, Chris Stinemetz chrisstinem...@gmail.com wrote: Are you sure its not preserved? When you output text in a browser, by default its output as html, not plain text. Html ignores extraneous whitespace, and doesn't use a monospaced font, so formatting text into columns in a textarea won't work either. Look at the html source code to see what is actually being output. Thanks Ashley Source is showing indentation and new paragaraphs just as I inserted the text. How can I get HTML output to show same format? Use HTML 'pre' tags: pre?php echo $your_content; ?/pre -- /Daniel P. Brown Dedicated Servers, Cloud and Cloud Hybrid Solutions, VPS, Hosting (866-) 725-4321 http://www.parasane.net/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] regex or 'tidy' script to fix broken ? tags and introspection of variables
-Original Message- From: Camilo Sperberg [mailto:unrea...@gmail.com] Sent: Tuesday, August 09, 2011 5:27 PM For the first one, it may be that zend studio does have an internal script to do the job. Check the general preferences tab, template stuff. Nope. Nothing there. Those templates are for when you create new blurbs of code, not modifying existing code. There is a formatter however, sadly it doesn't have an option to force these (you'd think that would be the perfect place to do this too huh.) In fact, I posted this here: http://forums.zend.com/viewtopic.php?f=59t=19173#p59348 Please note that ?= is also valid and should be replaced to ?php echo instead. Yeah, I don't like that style. I prefer the ?= $foo ? version. It's shorter, cleaner and easier to read. Many people mistakenly think that short version is going to be deprecated away. It is not. The PHP Devs have already clarified only the ? version is, not this one. http://www.php.net/manual/en/ini.core.php#ini.short-open-tag Also the short if version 1 == 1 ? True : false should be replaced if i'm correct. You are not. ;-) The Ternary operator statement would never go away. It is a standard comparison operator in pretty much any language and would be completely stupid of the PHP Devs to deviate that far from the norm. http://php.net/manual/en/language.operators.comparison.php Plus I love that operator and use it quite frequently. However, I use it like this just for clarity: echo your result is .((1 == 1) ? 'true' : 'false').'br'; Second question: zend studio displays all variables used by a script by clicking the arrow next to te file name. I've used ZS for 4+ years now, and comicaly have never even used those little down arrows next to a file. HAHAH! Good to know. Although it is a little strange as they seem to only be where you use a = assignment. It doesn't know about - or other instances of that variable (like if you echo it or something). But still could prove useful. If you want to display it in runtime, you can: print_r($GLOBALS); Whoa nelly! That prints out WAAY too much information ;-) But thanks. Not sure why I didn't think of that one. Maybe because at one time I did use it, got sensory overload from the amount of data it spews to the page, and then blocked it out of my mind for future use. :) ÐÆ5ÏÐ There are only 11 types of people in this world. Those that think binary jokes are funny, those that don't, and those that don't know binary. -- Sent from my iPhone 5 Beta [Confidential use only] On 09-08-2011, at 19:40, Daevid Vincent dae...@daevid.com wrote: I've inherited a bunch of code and the previous developers have done two things that are really bugging me and I want to clean up. [a] They use short-tag ? instead of ?php. Anyone have some good search/replace style Regex (ideally for ZendStudio/Eclipse) that will run through all the files in the project and fix those? There are lots of cases to account for such as a space after the ? or nospace or a newline or even other text (which are all valid cases). [b] The other thing they do use use register_globals in the php.ini file. Is there a good way to see all the variables that a page uses? Something I can print at the bottom of the page on my dev box - ideally with enough introspection to know where that variable originated from, and then I can start converting things to $_GET, $_POST, $_SESSION, $_COOKIE, etc. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] text insertion
Use HTML 'pre' tags:
pre?php echo $your_content; ?/pre
I just tried that and that puts all the text on a single line.
echo 'tr class=topic-post
td class=user-poststrong' . $posts_row['first_name'] . ' ' .
$posts_row['last_name'] . ' ' . date('m-d-Y h:iA',
strtotime($posts_row['store_date'])) . '/strong/td
/tr
tr class=visit
td class=post-contentBroad Band test results:/strong ' .
$posts_row['store_tptest'] . 'br/br/pre'
.$posts_row['store_comments'] . '/pre/td
/tr';
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Re: [PHP] text insertion
how about
echo nl2br($your_content);
- Original Message -
From: Chris Stinemetz chrisstinem...@gmail.com
Date: Wednesday, August 10, 2011 5:09 pm
Subject: Re: [PHP] text insertion
To: Daniel P. Brown daniel.br...@parasane.net
Cc: Ashley Sheridan a...@ashleysheridan.co.uk, PHP General
php-general@lists.php.net
Use HTML 'pre' tags:
pre?php echo $your_content; ?/pre
I just tried that and that puts all the text on a single line.
echo 'tr class=topic-post
td class=user-poststrong' . $posts_row['first_name']
. ' ' .
$posts_row['last_name'] . ' ' . date('m-d-Y h:iA',
strtotime($posts_row['store_date'])) . '/strong/td
/tr
tr class=visit
td class=post-contentBroad Band test results:/strong
' .
$posts_row['store_tptest'] . 'br/br/pre'
.$posts_row['store_comments'] . '/pre/td
/tr';
--
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Re: [PHP] text insertion
No luck. Thanks.
On Aug 10, 2011 4:17 PM, hdede...@videotron.ca wrote:
how about
echo nl2br($your_content);
- Original Message -
From: Chris Stinemetz chrisstinem...@gmail.com
Date: Wednesday, August 10, 2011 5:09 pm
Subject: Re: [PHP] text insertion
To: Daniel P. Brown daniel.br...@parasane.net
Cc: Ashley Sheridan a...@ashleysheridan.co.uk, PHP General
php-general@lists.php.net
Use HTML 'pre' tags:
pre?php echo $your_content; ?/pre
I just tried that and that puts all the text on a single line.
echo 'tr class=topic-post
td class=user-poststrong' . $posts_row['first_name']
. ' ' .
$posts_row['last_name'] . ' ' . date('m-d-Y h:iA',
strtotime($posts_row['store_date'])) . '/strong/td
/tr
tr class=visit
td class=post-contentBroad Band test results:/strong
' .
$posts_row['store_tptest'] . 'br/br/pre'
.$posts_row['store_comments'] . '/pre/td
/tr';
--
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Re: [PHP] text insertion
On Wed, Aug 10, 2011 at 17:37, Chris Stinemetz chrisstinem...@gmail.com wrote: No luck. Thanks. Per list rules, please don't top-post. If the situation you're describing is accurate and correct, then pre is indeed what you want. -- /Daniel P. Brown Dedicated Servers, Cloud and Cloud Hybrid Solutions, VPS, Hosting (866-) 725-4321 http://www.parasane.net/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: Re: [PHP] text insertion
On 10 Aug 2011 at 22:39, Daniel P. Brown daniel.br...@parasane.net wrote: On Wed, Aug 10, 2011 at 17:37, Chris Stinemetz chrisstinem...@gmail.com wrote: No luck. Thanks. Per list rules, please don't top-post. If the situation you're describing is accurate and correct, then pre is indeed what you want. But can you put a pre/pre inside a table cell? (I don't know that you can't, but it seems an odd thing to do). -- Cheers -- Tim -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: Re: [PHP] text insertion
Tim Streater t...@clothears.org.uk wrote: On 10 Aug 2011 at 22:39, Daniel P. Brown daniel.br...@parasane.net wrote: On Wed, Aug 10, 2011 at 17:37, Chris Stinemetz chrisstinem...@gmail.com wrote: No luck. Thanks. Per list rules, please don't top-post. If the situation you're describing is accurate and correct, then pre is indeed what you want. But can you put a pre/pre inside a table cell? (I don't know that you can't, but it seems an odd thing to do). -- Cheers -- Tim -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php First thing that jumps out at me is that the pre tags are apparently ignored. This suggests one of those ridiculous reset.css files being used, which uses css to style every Danny element the same. If its set to override the whitespace setting in a pre tag then that could cause the issue you are seeing, as I've never known pre tags to fail like that. Thanks, Ash http://www.ashleysheridan.co.uk -- Sent from my Android phone with K-9 Mail. Please excuse my brevity. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: Re: [PHP] text insertion
On 10 Aug 2011 at 22:07, Chris Stinemetz chrisstinem...@gmail.com wrote: Use HTML 'pre' tags: pre?php echo $your_content; ?/pre I just tried that and that puts all the text on a single line. You could write the string into another textarea, which you could make readonly for this purpose. -- Cheers -- Tim -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] regex or 'tidy' script to fix broken ? tags and introspection of variables
On 10-08-2011, at 16:54, Daevid Vincent wrote: -Original Message- From: Camilo Sperberg [mailto:unrea...@gmail.com] Sent: Tuesday, August 09, 2011 5:27 PM For the first one, it may be that zend studio does have an internal script to do the job. Check the general preferences tab, template stuff. Nope. Nothing there. Those templates are for when you create new blurbs of code, not modifying existing code. There is a formatter however, sadly it doesn't have an option to force these (you'd think that would be the perfect place to do this too huh.) In fact, I posted this here: http://forums.zend.com/viewtopic.php?f=59t=19173#p59348 That is sad to hear, I have never done the same thing you are now, but I thought it could help. Many people mistakenly think that short version is going to be deprecated away. It is not. The PHP Devs have already clarified only the ? version is, not this one. http://www.php.net/manual/en/ini.core.php#ini.short-open-tag I had no idea, I thought short tags also implied short if-else, short echo and so on, good to know that, thanks for the clarification ;) Second question: zend studio displays all variables used by a script by clicking the arrow next to te file name. I've used ZS for 4+ years now, and comicaly have never even used those little down arrows next to a file. HAHAH! Good to know. Although it is a little strange as they seem to only be where you use a = assignment. It doesn't know about - or other instances of that variable (like if you echo it or something). But still could prove useful. Eclipse/Zend Studio is so full of options that you can miss a lot of them. Another downside of the little arrow thing is that it doesn't recognize arrays, which is obvious because arrays can only be read on runtime, well, same thing as objects. If you want to display it in runtime, you can: print_r($GLOBALS); Whoa nelly! That prints out WAAY too much information ;-) But thanks. Not sure why I didn't think of that one. Maybe because at one time I did use it, got sensory overload from the amount of data it spews to the page, and then blocked it out of my mind for future use. :) Yeah I know it displays a lot of information, but I use it sometimes and it's the only way I know to display all variables, arrays and stuff in a neat and nice way. You can also install xDebug and use the included debugger in ZS, but sometimes using a simple print_r is faster. Greetings :) ___ Mi blog CHW Mi Twitter -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Problem with inserting numbers...
So here I am attempting to generate some numbers to be inserted into a
database... eventually they will make up a phone number (Which I've emailed
about before and know about the bad ideas with it.. But it's the customer :))
Here is the code I am working with:
?PHP
function number_pad($number,$n) {
return str_pad((int) $number,$n,0,STR_PAD_LEFT);
}
$SQL = SELECT * FROM Test WHERE `areacode` = '907' AND `prefix` = '200' LIMIT
5;
$result = mysql_query($SQL);
//$num = ;
//foreach ($result as $key = $value) {
//echo $key . - . $value . - . number_pad($num, 4) . BR;
//$num++;
//}
while ($num != 1) {
while($row = mysql_fetch_assoc($result)) {
$padnum = number_pad($num, 4);
echo $row['areacode'] . - . $row['prefix'] . - . $padnum . BR;
$num++;
}
}
?
basically all I'm trying to do is generate the last 4 digits starting at
and going up to . for testing purposes I'm just echoing back but will
eventually insert the complete number back into the database as a 7 digit
string.
The error I'm getting is:
Fatal error: Maximum execution time of 30 seconds exceeded in
/home/pruimpho/public_html/jason/dev/clients/flewid/Phone/config/phoneareacodes.php
on line25
which is where the second while starts...
Does anyone know a better way to do this?
I'm off to finish searching google while waiting for some good news :)
Thanks Everyone!
Jason Pruim
pru...@gmail.com
Re: [PHP] Problem with inserting numbers...
On Aug 10, 2011, at 9:36 PM, MUAD SHIBANI wrote: Basically you can increase time limit for this file to handle your request by using set_time_limit function ... Hi Maud, Looked into set_time_limit and even tried running it with a value of 120 but it didn't help... I'm affraid I have a problem with the way the 2 while loops are interacting and creating a infinite loop... BUT... I'm thinking there must be a better way... Maybe a while with a foreach? Now I'm just thinking outloud :) Jason Pruim pru...@gmail.com
Re: [PHP] Problem with inserting numbers...
basically all I'm trying to do is generate the last 4 digits starting at
and going up to . for testing purposes I'm just echoing back but will
eventually insert the complete number back into the database as a 7 digit
string.
The error I'm getting is:
Fatal error: Maximum execution time of 30 seconds exceeded in
/home/pruimpho/public_html/jason/dev/clients/flewid/Phone/config/phoneareacodes.php
on line25
I'm not sure the to while loops is the best control structure.
Why not try the following and see if it gets you the results you want?
__untested__
while($row = mysql_fetch_assoc($result)) {
if ($num != 1) $padnum = number_pad($num, 4)
{
echo $row['areacode'] . - . $row['prefix'] . - . $padnum . BR;
$num++;
}
--
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Re: [PHP] Problem with inserting numbers...
when
$num++;
executed
$num will never be '1';
you may change the while loop to
while ($num 1) {
while ($row = ...
2011/8/11 Jason Pruim pru...@gmail.com
On Aug 10, 2011, at 9:36 PM, MUAD SHIBANI wrote:
Basically you can increase time limit for this file to handle your
request by using
set_time_limit function ...
Hi Maud,
Looked into set_time_limit and even tried running it with a value of 120
but it didn't help...
I'm affraid I have a problem with the way the 2 while loops are interacting
and creating a infinite loop...
BUT... I'm thinking there must be a better way... Maybe a while with a
foreach? Now I'm just thinking outloud :)
Jason Pruim
pru...@gmail.com
Re: [PHP] Problem with inserting numbers...
At 09:22 PM 8/10/2011, Jason Pruim wrote:
So here I am attempting to generate some numbers to be inserted into
a database... eventually they will make up a phone number (Which
I've emailed about before and know about the bad ideas with it.. But
it's the customer :))
Here is the code I am working with:
?PHP
function number_pad($number,$n) {
return str_pad((int) $number,$n,0,STR_PAD_LEFT);
}
$SQL = SELECT * FROM Test WHERE `areacode` = '907' AND `prefix` =
'200' LIMIT 5;
$result = mysql_query($SQL);
while ($num != 1) {
while($row = mysql_fetch_assoc($result)) {
$padnum = number_pad($num, 4);
echo $row['areacode'] . - . $row['prefix'] . - .
$padnum . BR;
$num++;
}
}
?
Try to avoid putting a database query in a loop. In the query only
ask for the fields you are going to use, it's faster. Why use your
own function to pad a string, when there is a built-in function?
Try this code (untested):
?php
$nums = range(0,);
$q = SELECT areacode, prefix FROM Test WHERE `areacode` = '907' AND
`prefix` = '200' LIMIT 5;
$rs = mysql_query($q);
while ($row = mysql_fetch_assoc($rs)) {
foreach ($nums as $n) {
echo
sprintf('%03d-%03d-%04d',$row['areacode'],$row['prefix'],$n) br\n;
}
}
?
Ken
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[PHP] concatenating
Is it possible to concatenate a string and an element from a mysql_fetch_assoc array? I haven't had much luck searching google. Such as concatenating results with ' . $posts_row['store_tptest'] . ' so that if there are no elements returned nothing will be displayed? Thank you, Chris -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] concatenating
read the manual
http://www.php.net/manual/en/ref.strings.php
A comprehensive concatenation function, that works with array and strings
?php
function str_cat() {
$args = func_get_args() ;
// Asserts that every array given as argument is $dim-size.
// Keys in arrays are stripped off.
// If no array is found, $dim stays unset.
foreach($args as $key = $arg) {
if(is_array($arg)) {
if(!isset($dim))
$dim = count($arg) ;
elseif($dim != count($arg))
return FALSE ;
$args[$key] = array_values($arg) ;
}
}
// Concatenation
if(isset($dim)) {
$result = array() ;
for($i=0;$i$dim;$i++) {
$result[$i] = '' ;
foreach($args as $arg)
$result[$i] .= ( is_array($arg) ? $arg[$i] : $arg ) ;
}
return $result ;
} else {
return implode($args) ;
}
}
?
A simple example :
?php
str_cat(array(1,2,3), '-', array('foo' = 'foo', 'bar' = 'bar', 'noop' =
'noop')) ;
?
will return :
Array (
[0] = 1-foo
[1] = 2-bar
[2] = 3-noop
)
More usefull :
?php
$myget = $_GET ; // retrieving previous $_GET values
$myget['foo'] = 'b a r' ; // changing one value
$myget = str_cat(array_keys($myget), '=', array_map('rawurlencode',
array_values($myget))) ;
$querystring = implode(ini_get('arg_separator.output'), $myget)) ;
?
will return a valid querystring with some values changed.
Note that ?php str_cat('foo', '', 'bar') ; ? will return 'foobar',
while ?php str_cat(array('foo'), '', 'bar') ; ? will return array(0 =
foobar)
*t0russ at gmail dot com* 14-Jun-2005
05:38http://www.php.net/manual/en/ref.strings.php#53834
to kristin at greenaple dot on dot ca:
thanx for sharing.
your function in recursive form proved to be slightly faster and it returns
false (as it should) when the character is not found instead of number 0:
?php
function strnposr($haystack, $needle, $occurance, $pos = 0) {
return ($occurance2)?strpos($haystack, $needle,$pos):strnposr($haystack
,$needle,$occurance-1,strpos($haystack, $needle, $pos) + 1);
}
?
Re: [PHP] concatenating
At 12:03 AM 8/11/2011, Chris Stinemetz wrote:
Is it possible to concatenate a string and an element from a
mysql_fetch_assoc array? I haven't had much luck searching google.
Such as concatenating results with ' . $posts_row['store_tptest'] .
' so that if there are no elements returned nothing will be displayed?
Sure, do something like this:
?php
echo ($posts_row['store_tptest'] != '')?results
{$posts_row['stor_tptest']}:'';
?
Ken
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