(PHP 4 >= 4.0.2, PHP 5)
imagetypes — Return the image types supported by this PHP build
Returns the image types supported by the current PHP installation.
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
<?php
if (imagetypes() & IMG_PNG) {
echo "PNG Support is enabled";
}
?>