PHP | Imagick getImageColors() Function Last Updated : 11 Jul, 2025 Comments Improve Suggest changes Like Article Like Report The Imagick::getImageColors() function is an inbuilt function in PHP which is used to get the number of unique colors in the image. Syntax: int Imagick::getImageColors( void ) Parameters: This function does not accepts any parameters. Return Value: This function returns an integer value which determines the number of unique colors in the image. Errors/Exceptions: It throws an ImagickException on error. Below program illustrates the Imagick::getImageColors() function in PHP: Program: PHP <?php //require_once('path/vendor/autoload.php'); // Create an Imagick Object $image = new Imagick( "https://media.geeksforgeeks.org/wp-content/uploads/geeksforgeeks-14.png"); // getImageColors function $size = $image->getImageColors(); // Display the unique color print_r($size); ?> Output: 2955 Related Articles: PHP | Imagick adaptiveThresholdImage() FunctionPHP | Imagick transverseImage() Function Reference: https://www.php.net/manual/en/imagick.getimagecolors.php Comment More infoAdvertise with us Next Article PHP Syntax S sarthak_ishu11 Follow Improve Article Tags : Technical Scripter Web Technologies PHP Image-Processing PHP-function PHP-Imagick +2 More Similar Reads PHP Tutorial PHP is a popular, open-source scripting language mainly used in web development. 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