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Doc Bug #80168 Warning on using second arg for imagexbm
Submitted: 2020-10-01 14:42 UTC Modified: 2020-10-01 14:56 UTC
From: matt dot peveler at gmail dot com Assigned: cmb (profile)
Status: Closed Package: GD related
PHP Version: 7.4.11 OS: Ubuntu 18.04
Private report: No CVE-ID: None
 [2020-10-01 14:42 UTC] matt dot peveler at gmail dot com
Description:
------------
The documentation says that the second argument to imagexbm (like the other functions) is optional, and that if not included, the output will be sent to stdout instead of to a file. However, on running the test script, I get a PHP Warning about the second argument missing and nothing is outputted to stdout. Changing the used function to imagegif (or any other variant) works as expected.

Test script:
---------------
<?php

// Create a blank image and add some text
$im = imagecreatetruecolor(120, 20);
$text_color = imagecolorallocate($im, 233, 14, 91);
imagestring($im, 1, 5, 5,  'A Simple Text String', $text_color);

// Output the image
imagexbm($im);

// Free up memory
imagedestroy($im);


Expected result:
----------------
Output the imagexbm binary to stdout

Actual result:
--------------
PHP Warning:  imagexbm() expects at least 2 parameters, 1 given in /tmp/test.php on line 9

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 [2020-10-01 14:56 UTC] cmb@php.net
-Status: Open +Status: Verified -Type: Bug +Type: Documentation Problem -Assigned To: +Assigned To: cmb
 [2020-10-01 14:56 UTC] cmb@php.net
The docs are wrong about this.  The second parameter is not
optional, but it is nullable; so you could do

    imagexbm($im, null);

As of PHP 8.0.0, the second parameter is actually optional,
though.
 [2020-10-01 15:22 UTC] phpdocbot@php.net
Automatic comment on behalf of cmb
Revision: http://git.php.net/?p=doc/en.git;a=commit;h=029ab30c40dc8c94480f3adcf2737771ebf3a8dc
Log: Fix #80168: Warning on using second arg for imagexbm
 [2020-10-01 15:22 UTC] phpdocbot@php.net
-Status: Verified +Status: Closed
 [2020-10-01 18:40 UTC] phpdocbot@php.net
Automatic comment on behalf of mumumu
Revision: http://git.php.net/?p=doc/ja.git;a=commit;h=2ba8d70c597905c99d1b4ddf8bb84763db452c2e
Log: Fix #80168: Warning on using second arg for imagexbm
 
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