(PHP 4 >= 4.0.2, PHP 5, PHP 7, PHP 8)
imagetypes — Return the image types supported by this PHP build
This function has no parameters.
Returns a bit-field corresponding to the image formats supported by the version of GD linked into PHP. The following bits are returned, IMG_AVIF
| IMG_BMP
| IMG_GIF
| IMG_JPG
| IMG_PNG
| IMG_WBMP
| IMG_XPM
| IMG_WEBP
.
Example #1 Checking for PNG support
<?php
if (imagetypes() & IMG_PNG) {
echo "PNG Support is enabled";
}
?>