The Imagick::getImageHistogram() function is an inbuilt function in PHP which is used to get the image histogram.
Syntax:
array Imagick::getImageHistogram( void )
Parameters: This function does not accept any parameter.
Return Value: This function returns an array of ImagickPixel objects containing histogram of image.
Exceptions: This function throws ImagickException on error.
Below program illustrates the Imagick::getImageHistogram() function in PHP:
Program 1:
<?php   // Create a new imagick object $imagick = new Imagick(   // Get the Histogram $histogram = $imagick->getImageHistogram();   print("<pre>".print_r($histogram, true)."</pre>"); ?> |
Output:
Returns an array with 2955 Imagick objects as members.
Program 2:
<?php   // Create a new imagick object $imagick = new Imagick(   // Get the Histogram $histogram = $imagick->getImageHistogram();   print("<pre>".print_r($histogram, true)."</pre>"); ?> |
Output:
Returns an array with 1725 Imagick objects as members.
Reference: https://www.php.net/manual/en/imagick.getimagehistogram.php
