imagecolorstotal() function in PHP

The imagecolorstotal() function gets the count of colors in an image's palette

Syntax

imagecolorstotal (img)

Parameters

• img: Image created with imagecreatetruecolor().

Return

The imagecolorstotal() function returns the number of colors in an image palette.

Example

The following is an example

<?php
   $img = imagecreatefromgif('https://www.tutorialspoint.com/images/html.gif');
   echo 'Number of Colors = ' . imagecolorstotal($img);
   imagedestroy($img);
?>

Output

The following is the output:

Number of Colors = 128