Find out the number of colors in an image's palette in PHP
Description
The following code shows how to find out the number of colors in an image's palette.
Example
Example #1 Getting total number of colors in an image using imagecolorstotal()
/* w w w . j a va2 s . c o m*/
<?php
// Create image instance
$im = imagecreatefromgif('php.gif');
echo 'Total colors in image: ' . imagecolorstotal($im);
// Free image
imagedestroy($im);
?>
The code above generates the following result.