ImagickPixel
PHP Manual

ImagickPixel::getColorCount

Returns the color count associated with this color

Description

int ImagickPixel::getColorCount ( void )

Returns the color count associated with this color.

The color count is the number of pixels in the image that have the same color as this ImagickPixel.

ImagickPixel::getColorCount appears to only work for ImagickPixel objects created through Imagick::getImageHistogram()

Return Values

Returns the color count as an integer on success, throws ImagickPixelException on failure.

Examples

Example #1 ImagickPixel getColorCount

<?php
    $imagick = new \Imagick();
    $imagick->newPseudoImage(640, 480, "magick:logo");
    $histogramElements = $imagick->getImageHistogram();
    $lastColor = array_pop($histogramElements);
    echo "Last pixel color count is: ".$lastColor->getColorCount();
?>

The output for this will be similar to: 

Last pixel color count is: 256244