PHP | Imagick getImageHistogram() Function
Last Updated :
20 Nov, 2019
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
$imagick = new Imagick(
$histogram = $imagick ->getImageHistogram();
print ( "<pre>" .print_r( $histogram , true). "</pre>" );
?>
|
Output:
Returns an array with 2955 Imagick objects as members.
Program 2:
<?php
$imagick = new Imagick(
$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
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