[PHP] Get list of timezones from UTC offset
As far as I understand it is only possible to create a DateTimeZone Object from a string, which describes the timezone. On the other hand it is not possible (at least I did not find any possibility) to get the users tz string, it is only possible to get the current UTC offset. (via JavaScript or by doing some magic with the users IP) I wonder if there is a possibility to get a list of possible timezones with a certain offset. I could extract this list from the timezone_abbreviations_list or check the offset for every item in the timezone_identifiers_list, but those solutions seem far too complicated and slow. So is there a function like array timezone_guesses_get(int) where int is the UTC offset in hours and array is a list of possible timezone names. thanks, Norbert -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Iteration through letter
Hi,
just for fun I tried the following code:
code
for($letter = 'A'; $letter = 'Z'; ++$letter) {
echo($letter . ' ');
}
/code
What surprised me was the output, which looked like this:
A B C [...] Y Z AA AB AC [...] YY YZ
I don't have any idea how these letters get printed out, so I'd
appreciate any guesses or explanations.
thanks,
Norbert
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[PHP] Re: Iteration through letter
Norbert Wenzel wrote:
Hi,
just for fun I tried the following code:
code
for($letter = 'A'; $letter = 'Z'; ++$letter) {
echo($letter . ' ');
}
/code
What surprised me was the output, which looked like this:
A B C [...] Y Z AA AB AC [...] YY YZ
I don't have any idea how these letters get printed out, so I'd
appreciate any guesses or explanations.
thanks,
Norbert
Thanks for all your replies and sorry about asking a question answered
in the manual. I was too surprised of the result, so I didn't even think
I could find that topic in the manual. Sorry.
Norbert
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[PHP] Built-in Interface to rewrite empty() ?
Hi, I think I once knew a PHP5 interface, which forces a class to implement a function empty(). If an object $myObject implements this interface, it should be possible to call empty($myObject) as it seems to work with the interface Countable, which does the same for count(). The problem is I didn't find such an interface in any doc I found so far. Does anyone of you know such an interface, or did it ever exist? thanks, Norbert -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Re: Accessing data posted from a different URL
Manuel Lemos wrote: For instance, if you use method=post because XHTML specification says everything should be in lower case, you will have problems with some browsers and e-mail programs that only accept POST in upper case and fallback to GET when they find something else. i would call that a problem of the browser, not of xhtml standards. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Callbacks in XML Parser
comex wrote: xml_set_element_handler($this-xmlParser, $this-startTag, $this-endTag); xml_set_element_handler($this-xmlParser, array($this, 'startTag'), array($this, 'endTag')); i copied this from a posting about two weeks ago by Jochem Maas: in this case there is an alterntive: http://php.net/manual/en/function.xml-set-object.php Norbert Wenzel wrote: Robert Cummings wrote: On Sat, 2005-12-10 at 11:25, mail wrote: xml_set_element_handler($parser, xml_start_element, xml_stop_element); //can't find function use array notation for object method handlers: xml_set_element_handler ( $parser, array( $this, 'xml_start_element' ), array( $this, 'xml_stop_element' ) ); Cheers, Rob. Thanks, Norbert -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] XML Parsing german special chars
I did some easy xml parsing on the last.fm[1] recent tracklist.
I do read in all the tracks and output them encoded with htmlentities().
A lot of german special chars like the Ä (Auml;) are transfered to
strange followings of an A with any sort of available accent. But it
isn't replaced by Auml;
The xml file does not contain any character encoding information, so how
could I tell htmlentities(), there might be some character in the
string, which might be a german special char.
I never encountered any problems when writing htmlentities('Ähre'); or
$var = 'Ähre';
htmlentities($var);
but only if I take the strings out of the xml file.
If I output the whole xml file all characters are shown as they are
supposed to, only if i do the encoding by htmlentities() I get those
weird accented letters.
any suggestions how to fix this?
thanks,
Norbert
PS: code and link to the output page can be given if needed.
[1] www.last.fm
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Re: [PHP] OO XML Parser
Robert Cummings wrote: On Sat, 2005-12-10 at 11:25, mail wrote: xml_set_element_handler($parser, xml_start_element, xml_stop_element); //can't find function use array notation for object method handlers: xml_set_element_handler ( $parser, array( $this, 'xml_start_element' ), array( $this, 'xml_stop_element' ) ); Cheers, Rob. Thanks, Norbert -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Re: PDF Generator
Dan Harrington wrote: I have a TON of forms that I have to populate, can I make a PDF file using Acrobat Professional, and then use PHP to populate those forms and have text inserted into the pre-made text fields that I made using Acrobat? And if so, what is the best tool for that? I'd prefer to do it for free, but spending $$ is fine too. Thanks Dan Rick Lim wrote: What is the best FREE pdf generator for PHP? fpdf will only draw your documents, there is no way to use it with forms. and i don't know any way to process pdf forms in php, but i didn't really need it yet. if you find any solutions, please post them. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Re: PDF Generator
Rick Lim wrote: What is the best FREE pdf generator for PHP? i used FPDF without any problems. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Re: italic, bold and underline with GD ?
David wrote: Can we use some function with GD to make text italic, bold and/or underline? http://php.net/imagettftext I see we can change size and font, but not style it's not possible in PHP? Thanks in advance David I'm not familiar with GD, but as every good font has different versions for bold, italic and so on, you might use those versions with separate font files. And since underlining is just a simple line (don't know how this works in GD, I've done this in FPDF) I would just draw a line from the beginning of the word to the end ... if it is possible in GD to get the current cursor position before and after inserting text. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Re: Making functions available from another script
Richard Leclair wrote:
Hi PHP-ers,
Here's an easy one:
Q: How can I make a function available from within another php script?
Eg. B.php contains:
?php include .../fns.php ?
Which has a function fn($x);
Later on, I want to include this function in B.php somewhere.
In short: B.php wants to use fn($x) found in A.php.
Regards,
Richie !
I'm not quite sure if I did get your question right, but you answered
the question yourself.
include(anyfile.php); does nothing more then copy the code of
anyfile.php to the file, in which it is called. anyfile.php is
interpreted as HTML, so you should have your ?php brackets around the
document.
A.php---
function foo($bar) {
//do sth
}
B.php---
include[_once](A.php);
$x = anything you like;
$whatever = foo($x);
this works if A and B are in exactly the same directory, otherwise you
should change the path for the include call.
Did I get your question right?
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Re: [PHP] Re: Making functions available from another script
Richard Leclair wrote:
Hi Norbert,
Thanks for your reply. Yeah, you were almost there - it wasn't quite what I
had in mind. I probably should have elaborated on this one.
I'm looking at building up a library of handy functions that can be included
in a current script.
Only problem is:
(let's just say for clarity that lib.php == A.php; same)..
If I declare the functions in lib.php, then B.php can include lib.php but
cannot execute any functions within B.php (that were declared in lib.php).
it keeps coming up as function undeclared.
Any more ideas/thoughts? Or have I not gone about this correctly?
Maybe post your lib.php and B.php, but from your description I have no
idea what might cause this problem.
For testing maybe change your lib.php to sth like this
---lib.php
codeincluded lib.php/code
?php
echo('lib.php works');
//let your code follow here
?
Norbert
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Re: [PHP] prevent user from getting scripts outside the web folder[this better?]
Ben wrote: My understanding is that mysql_real_escape_string will only work while you are connected to mysql. Not sure if that is the case in your situation. At least it requires a connection to mysql. I had an error, when using it without any connection opened before, that mysql_real_escape_string wants to connect to the DB as [EMAIL PROTECTED] without any password. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Auto unzip uploaded file
I know a script (it's a webgallery) where you upload your images.zip with any amount of images in it. After uploading the .zip get unzipped and the images will be placed into the gallery. How did they unzip (or better, how is it possible to unzip) the file with php? and is it possible to extract let's say .rar or any other common format as well? thanks for your suggestions, norbert -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Auto unzip uploaded file
Jochem Maas wrote: Norbert Wenzel wrote: I know a script (it's a webgallery) where you upload your images.zip with any amount of images in it. After uploading the .zip get unzipped and the images will be placed into the gallery. How did they unzip (or better, how is it possible to unzip) the file might I suggest you take a peek at the 'webgallery's code? I would if i could, but they don't want't me to see their code, so I have to rewrite it myself. ..and read here: http://php.net/manual/en/ref.zlib.php http://php.net/zip http://php.net/manual/en/ref.rar.php http://php.net/manual/en/ref.lzf.php http://php.net/manual/en/ref.bzip2.php Thanks, I'll read that. with php? and is it possible to extract let's say .rar or any other common format as well? anything is possible. how much money do you have? Let's say time is money so I guess I'm quite rich... thanks for your suggestions, norbert -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Strange behaviour overriding methods in 5.0.4
I have to say thank you to you both. In fact I still don't know what exactly was wrong or may have caused this error (output buffering was off, and there was no @ in the whole file) but after a night of sleep I tried again before reinstalling the server and everything worked as fine as it should. It's quite strange, since I was the last one in company yesterday and locked it myself, but maybe some tiny little imps fixed the problem by night. And to dissapoint you Jochem (at least I think it was you), it is a Red Hat System, no Windows. Thanks for your help and greetings from Vienna, Norbert -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Re: updating forms
(hope) wrote: i have a text area on my page. As page is uploaded it displays certain text in it. It has also has a text area with same text that is being displayed above in the page . If user changes this text of text area n presses submit button the page needs to display updated text in the text area and as well as updated text above in the page. 2ndly the text area must display text alogwith tags e.g h1headingh1 this goes text but above in the page these tags must like h1 /h1 mustnt be displayed instead the heading word must become of h1 format. how can i get all tags like br h1 etc. as enterd by user coz if i get it on next page n save it database, the next time wen i wil dsiplay there wil be no brs . n how to update the page n display updated text? regards hope see functions htmlentities() or htmlspecialchars() to replace with lt; and so on. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Strange behaviour overriding methods in 5.0.4
Hi, i have a very strange example of code. Maybe you know where my
mistake could be.
I've got an index.php with a few div's and a short php code, like:
divecho $_SESSION['view']-getContent();/div
The view is in every case one of my view objects. And there's the problem.
In my specific case $_SESSION['view'] is of class NoLoggedUserView,
which of course extends View. The View class containts a few public
methods, namely
getTitle()
getHeadline()
getSelection()
getSubselection()
getContentHeadline()
getContent()
getFunctions()
The child class NoLoggedUserView contains only the
getContent()-method, which provides a login window.
But of course I still call all the other methods like getTitle() in my
index.php.
Until yesterday I encountered no problems with that, but today, if i
call $noLoggedUserView-getTitle() in the index.php i get an empty
document. No error, no warning, no notice ... nothing. The page stays
the same and doesn't change. Even the timestamp I print out to check if
there has been a change, doesn't change.
I tested a few things:
The page loads fine and without any problems, if the public method
getTitle() is written in the NoLoggedUserView and the method returns a
stupid string. If getTitle() in NoLoggedUserView looks like this
public function getTitle() {
return parent::getTitle();
}
there is the same problem as before. I get an empty page, no changes are
made.
My current version of getTitle() looks like this:
public function getTitle() {
//return 'NoLoggedTitle'; // works great
//return parent::getTitle(); // no changes are made
$classname = get_parent_class($this);
$v = new $classname();
return $v-getTitle(); // works great
}
And again, this strange thing works.
So what could cause php to act like this? Any ideas or suggestions or at
least assumptions?
Please, I really don't know where to search the mistake..
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[PHP] Re: Strange behaviour overriding methods in 5.0.4
Norbert Wenzel wrote: divecho $_SESSION['view']-getContent();/div of course this echo IS in ?php ?, i just forgot here in my message -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] passing a variable with php_self
A.J. Brown wrote: a href=?=$PHP_SELF?action=bigger? works well too works only if register_globals is on, doesn't it? -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Re: session
Roman Duriancik wrote:
?
session_start();
session_register('pocet');
$count++;
echo $count;
session_destroy();
?
a href=test.php??php echo(SID)?link/a
and when i click on link always I have in $count value 1 but I need
value 2,3,
how to do it ?
i think this is what you asked for:
if(isset($_SESSION['count'])) {
$_SESSION['count']++;
}
else {
$_SESSION['count'] = 1;
}
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[PHP] Dynamically determine class
Hi, I'm using PHP5 and try to do something like this: I have a base class called 'Entry' and a child class called 'ExtendedEntry'. I want to read all Entries to a certain topic from a database. While constructing the EntryObject I would like to look if Entry is a simple Entry or an ExtendedEntry. I want the new object to be an ExtendedEntry - if possible - and otherwise to be an Entry. It was not possible to return the object in the __construct() function and it was not possible to reassign $this with code like $this = new ExtendedEntry() also in the __construct() function. And I tried to always generate an ExtendedEntry with a flag, that says it is really Extended and a typecast afterwards, but I wasn't able to typecast to another object by (Entry) $extEntry. Any suggestions how to solve this problem without writing a generateEntry() function, that looks into the database and then calls the correct class type? thanks in advance, Norbert -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Dynamically determine class
Thanks. Norbert -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Re: How to force a variable to be a custom object?
Alex Gemmell wrote:
Just a quickie today: I was wondering if I can declare a Class variable
as a certain type of object. I'm using PHP 4 by the way.
I don't know if this works in PHP4, but I would suggest to clear this in
your constructur. But I don't know if this is always called in PHP4.
class myClass {
var $object;
myClass() {
$this-object = new OtherObject();
}
}
This isn't really forced, since you could change $object from outside
the class. If there is a way you should declare $object private. That's
not stylish, but I guess it works.
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[PHP] Re: Catching all errors and redirecting
Thomas Hochstetter wrote:
Hi again,
Is it possible to catch all parser errors (notices), and as that happens
redirecting to a 'sorry-page-not-available-at-this-moment' page, whilst
storing the error (or notice) message somewhere else (e.g. emailing it to
the developer).
thanks
Thomas
From your name I would say you are german speaking, so i would suggest
the error_handler example from the book
Professionelle PHP 5-Programmmierung
Entwicklerleitfaden für große Webprojekte mit PHP 5
von George Schlossnagle
erschienen in der Open-Source-Library des Addison-Wesley Verlag
ISBN: 3-8273-2198-0
Examples to this book [1] can be found under [2], the example to your
special problem would be example 3-1.
I'm sorry for writing german, but since it's a german book, i wrote all
the facts about the book in german.
Norbert
[1]
http://www.addison-wesley.de/main/main.asp?page=deutsch/bookdetailsproductid=83009
[2]
http://www.awl.de/buecher/3827321980/?SID={FC2DF695-9416-4CE0-8077-877C84150EF1}
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[PHP] [OFF: logical question] rounding in steps of 15
Excuse me, I know my question is not PHP specific, but I hope there are some logical and mathematical talents in here, since I've always been fighting with maths. ;-) I have to provide a textfield, where workers enter their time they worked on a certain subject. The smallest degree should be 15 minutes, but the workers may enter every time, such as 357 or maybe 1:38. Is there any better way to determine the next 15min step, than to take for example 38 % 15 = 8 and see whether the result is nearer to 0 or to 15? In this case (8) 8 + 8 would be 16 so i would save 45 minutes of work. These are just informations for calculation of upcoming projects, so I don't have to check any legal rules for rounding work time or something like this. I think my way is quite complicated, so I hope anyone of you knows a better possibility to round to a certain degree. Thanks in advance, Norbert -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] [OFF: logical question] rounding in steps of 15
Richard Lynch wrote: You're on your own converting 1:38 or 357 into minutes, but: $minutes = 357; $minutes = 15 * round($minutes / 15); echo minutes: $minutes\n; Thank you both. The conversion from 1:38 to 98 is no problem, but I knew there was a more beautiful way round to 15 minutes. Thanks. Norbert -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] force download
Sebastian wrote: some of my users are complaining that when they try download media files (mp3, mpeg, etc) their media player opens and doesn't allow them to physically download the media. These are IE users, firefox seems to like my code, but IE refuses to download the file and plays it instead.. can anyone view my code and see how i can force media file downloads on IE? We're using the PHP based 'Moodle' system and had the similar problems when downloading stuff in IE. On some IEs it worked, on some IE did nothing, though it was the same version. The only way to fix this, was to search for a 'IE' String, in the browser info and to show another page, with a stupid 'Save as...' link to IE users. hope that works, norbert -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] force download
Richard Lynch wrote: Right-click is NOT universal. Macs don't even *have* a right-click! Doesn't Ctrl-Click do the same as a right click? Norbert -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] display error line in object method
Richard Lynch wrote: There may also be some fancy new way to output the whole stack of functions called... I haven't really checked that out yet. The function stack is printed by debug_backtrace(), isn't it? Supported by PHP since 4.3.0. Norbert -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Re: dynamically selecting a function
Thomas wrote:
Hi there,
How can I do something like this:
[snip - theoretical code] if( isset($step) ) echo step.$step() ) [/snip]
$step would be an int (I would check that before) and then I would have all
sorts of functions like step1(), step2() . etc.
Any ideas?
Thomas
What about switch / case?
switch($step) {
case 1:
step1();
break;
case 2:
step2();
break;
default:
defaultStep();
break;
}
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Re: [PHP] Re: dynamically selecting a function
Thomas wrote:
Thanks Burhan. Is there much overhead?
Norbert: that's what I am doing now, just wanted to save some code. :-)
Thomas
-Original Message-
From: Norbert Wenzel [mailto:[EMAIL PROTECTED]
Sent: 08 August 2005 11:18 AM
To: php-general@lists.php.net
Subject: [PHP] Re: dynamically selecting a function
Thomas wrote:
Hi there,
How can I do something like this:
[snip - theoretical code] if( isset($step) ) echo step.$step() ) [/snip]
$step would be an int (I would check that before) and then I would have
all
sorts of functions like step1(), step2() . etc.
Any ideas?
Thomas
What about switch / case?
switch($step) {
case 1:
step1();
break;
case 2:
step2();
break;
default:
defaultStep();
break;
}
i thought that would be too easy ;-)
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[PHP] Inherit Methods
Is it possible to run inherited methods in the scope of the child class?
In my case I have an abstract class called 'Company' and some child
classes. There is a non abstract function in 'Company' which prints
'$this-phoneList'. That function should be the same to all child
classes, without rewritting it in every class.
I call the printing method via the child class like
$childObject-printPhoneList();
The call seems to be handed over to the parent class 'Company' which is
fine. But the $this points to the phoneList of the abstract parent
class. So the phoneList in the abstract class seems to be unset, since i
have set the phone list in the child class.
Here's a short example, showing what I mean:
?php
abstract class AbstractClass {
private $var;
public function printVar() {
echo('var: ' . $this-var . 'br');
}
}
class ConcreteClass extends AbstractClass {
public function __construct($var) {
$this-var = $var;
}
public function printVarChild() {
echo('var (child): ' . $this-var . 'br');
}
}
$cl = new ConcreteClass(15);
$cl-printVar();
$cl-printVarChild();
?
Output is:
var:
var (child): 15
Has anyone an idea how to print the $var of the child, without copying
the method in every child class?
thanks in advance,
Norbert
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Re: [PHP] Inherit Methods
Jochem Maas wrote: Norbert Wenzel wrote: private $var; get rid of the 'private' here and replace it with 'protected' too stupid. I'm sorry for my question. thank you for opening my eyes. norbert -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
[PHP] Re: overwrite private class members in php5?
Matthew Weier O'Phinney wrote:
* Norbert Wenzel [EMAIL PROTECTED]:
Hi, I've done something like this:
class MyClass {
private $var;
function __construct($value) {
$this-var = $value;
}
public function printVar() {
echo($this-var);
}
}
$object = new MyClass('1');
$object-printVar(); // prints 1
$object-var = 3; // Fatal Error as expected
$object-$var = 2; // no error msg
$var is empty, so this is setting a non-existent class property to 2.
$object-printVar(); // prints 2
I got 1 when running this -- just as I would expect. Are you sure it
printed 2?
Basically, if a property is undeclared, it is assumed public, so you can
set undefined properties without issue. If defined private or protected,
the calling script will not be able to alter the value.
i did write the script out of my mind, and didn't paste it. not the best
idea, i know.
thanks for your help, i see my mistakes very clearly. forgive a noob for
such question.
thanks,
norbert
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[PHP] Exceptions: function x throws Exception
If there is a class with a function, that might throw exceptions and
does NOT catch them, may I write that like in Java?
class FooClass {
public function foo() throws Exception {
}
}
Or is there another possibility to tell a function throws an exception
and to force the caller to handle that exception?
thanks in advance,
Norbert
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Re: [PHP] Exceptions: function x throws Exception
Torgny Bjers wrote:
The Java way doesn't work here. The best approach would be to simply run
a try/catch/finally around the call to your function/method, and inside
the function itself you do the following:
if (...) { throw new Exception(My message.); } }
Hello Torgny,
Thanky you for your fast help.
Greetings,
Norbert
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[PHP] overwrite private class members in php5?
Hi, I've done something like this:
class MyClass {
private $var;
function __construct($value) {
$this-var = $value;
}
public function printVar() {
echo($this-var);
}
}
$object = new MyClass('1');
$object-printVar(); // prints 1
$object-var = 3; // Fatal Error as expected
$object-$var = 2; // no error msg
$object-printVar(); // prints 2
Hows that possible or what's the difference between
$object-var and
$object-$var ?
thanks in advance for your help!
Norbert
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[PHP] Re: overwrite private class members in php5?
Norbert Wenzel wrote:
public function printVar() {
echo($this-var);
}
I have to do a little correction, i wrote
$this-$var
to see the variable, otherwise i don't see
anything.
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