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