GD Functions
PHP Manual


(PHP 4 >= 4.0.2, PHP 5)

imagetypesReturn the image types supported by this PHP build


int imagetypes ( void )

Returns the image types supported by the current PHP installation.

Return Values

Returns a bit-field corresponding to the image formats supported by the version of GD linked into PHP. The following bits are returned, IMG_GIF | IMG_JPG | IMG_PNG | IMG_WBMP | IMG_XPM.


Example #1 Checking for PNG support

if (imagetypes() & IMG_PNG) {
"PNG Support is enabled";

GD Functions
PHP Manual