imagetypes
    (PHP 3 CVS only, PHP 4 >= 4.0.2)
imagetypes -- Return the image types supported by this PHP build
Description
int 
imagetypes ( void)
     This function 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.  
     To check for PNG support, for example, do this:
     
| Example 1. imagetypes | <?php
if (imagetypes() & IMG_PNG) {
    echo "PNG Support is enabled";
}
?> | 
 |