ID: 35061
Updated by: [EMAIL PROTECTED]
Reported By: surfchen at gmail dot com
Status: Bogus
Bug Type: Documentation problem
Operating System: Redhat AS
PHP Version: 4.4.0
New Comment:
Yes, you have to write more code.
All functions internally call the same function. imagegd2() has 4
parameters so this internal function accepts mostly 4 parameters. In
other functions, they are ignored.
Previous Comments:
------------------------------------------------------------------------
[2005-11-02 09:27:02] surfchen at gmail dot com
1)
I must write more code when I can't sure a filename(2nd parameter) will
be a empty string or a normal string.
if ($filename=='')
{
imagegif($img);
}
else
{
imagegif($img,$filename);
}
2)why the imagegif have 4 parameters while imagepng,imagejpg have 3?
------------------------------------------------------------------------
[2005-11-02 09:17:04] [EMAIL PROTECTED]
Third and fourth parameter of this function is silently ignored. Empty
string for the second parametr can be used to skip it but if a function
has only two parameters, there's nothing to skip and the second
parameter is used. If you just want to output the image, simply call
imagegif($img).
------------------------------------------------------------------------
[2005-11-02 09:16:20] surfchen at gmail dot com
maybe it's not just a documentation problem.
------------------------------------------------------------------------
[2005-11-02 09:01:24] [EMAIL PROTECTED]
Marking as a doc problem then.
------------------------------------------------------------------------
[2005-11-02 06:39:55] surfchen at gmail dot com
Description:
------------
1)the imagegif,imagejpg,imagepng can not be used with tow parameters
which the 2nd parameter is ''(null).but if give the function more than
2 parameters,it works.
2)imagegif can give 4 parameters while the document just says it just
have tow parameters.
Reproduce code:
---------------
<?php//incorrect.1)
$img=imagecreatefromgif('2.gif');
header("Content-type:image/gif");
imagegif($img,'');
?>
<?php//correct(with 4 parameters).2)
$img=imagecreatefromgif('2.gif');
header("Content-type:image/gif");
imagegif($img,'',55,22);
?>
Expected result:
----------------
1) should ouput correct.
2) should ouput a error because that it have 4 parameters
Actual result:
--------------
1)output a incorrect image
2)ouput correctly
------------------------------------------------------------------------
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Edit this bug report at http://bugs.php.net/?id=35061&edit=1
