GD funiction
this funiction use for upload picture in php
you can test is this funiction enalbed in the server or not. use the code below
<?php
var_dump(gd_info());
?>
result should be same like below
array(9) { ["GD Version"]=> string(24) "bundled (2.0 compatible)" ["FreeType Support"]=> bool(false) ["T1Lib Support"]=> bool(false) ["GIF Read Support"]=> bool(true) ["GIF Create Support"]=> bool(false) ["JPEG Support"]=> bool(false) ["PNG Support"]=> bool(true) ["WBMP Support"]=> bool(true) ["XBM Support"]=> bool(false) } References http://www.php.net/manual/en/function.gd-info.php