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<?php
var_dump(gd_info());
?> 

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array(10) { ["GD Version"]=>  string(27) "bundled (2.0.28 compatible)" ["FreeType Support"]=>  bool(false) ["T1Lib Support"]=>  bool(false) ["GIF Read Support"]=>  bool(true) ["GIF Create Support"]=>  bool(true) ["JPG Support"]=>  bool(false) ["PNG Support"]=>  bool(true) ["WBMP Support"]=>  bool(true) ["XBM Support"]=>  bool(true) ["JIS-mapped Japanese Font Support"]=>  bool(false) }