(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:
範例 1. imagetypes
?php
if (imagetypes() IMG_PNG) {
echo "PNG Support is enabled";
}
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