(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";
}
?> | 
 |