Use passthru() instead of exec() for (binary) data.
tree41033a17620bd17f786cb8862c63a11b62485cae
-rw-r--r-- 20 .gitignore
-rw-r--r-- 77 .htaccess
-rw-r--r-- 515 default.css
drwxr-xr-x - doc
drwxr-xr-x - inc
-rw-r--r-- 7610 index.php
drwxr-xr-x - templates