imagecolorstotal
imagecolorstotal
Find out the number of colors in an image's palette
int **imagecolorstotal** GdImage $image
Returns the number of colors in an image palette.
Returns the number of colors in the specified image's palette or 0 for truecolor images.
**Voorbeeld: Getting total number of colors in an image using **
<?php
// Create image instance
$im = imagecreatefromgif('php.gif');
echo 'Total colors in image: ' . imagecolorstotal($im);
?>
Total colors in image: 128
imagecolorat``imagecolorsforindex``imageistruecolor