   #PHP Manual Image functions imagettftext imagewbmp

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                                  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() example
   <?php
   if (imagetypes() & IMG_PNG) {
       echo "PNG Support is enabled";
   }
   ?>
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