Thread:Project:Support desk/MW appears to incorrectly identify PHP as being in safe mode when safe mode is actually off.

I'm uploading SVG files successfully and can view the full-sized originals using my browser, but instead of thumbnails I get ""Error creating thumbnail: Unable to run external programs in safe mode." PNG and JPEG files become thumbnails as expected.

Software versions

 * PHP
 * 5.3.3 (apache2handler)


 * MediaWiki
 * 1.20.0


 * MySQL
 * 5.1.66


 * Platform
 * GNU/Linux
 * CentOS release 6.3 (Final)
 * Kernel 2.6.32-279.9.1.el6.x86_64


 * RSVG
 * 2.26.0


 * ImageMagick
 * 6.5.4-7 2012-05-07 Q16 OpenMP

Configs
Here's part of my php.ini:

This is correctly interpreted by PHP as shown below:

LocalSettings.php contains:

To go with that, I have made the images/* tree and set ownership, permissions, and SELinux context:

The .htaccess says:

and is copied into archive, temp, and thumb.

Please let me know your thoughts on why this is happening.