The Imagick::getImageExtrema() function is an inbuilt function in PHP which is used to get the extrema for an image. Extrema are the points at which a maximum or minimum value of a function is observed.
Syntax:
array Imagick::getImageExtrema( void )
Parameters: This function doesn’t accept any parameters.
Exceptions: This function throws ImagickException on error.
Return Value: This function returns an associative array containing the keys as “min” and “max”.
Below programs illustrate the Imagick::getImageExtrema() function in PHP:
Program 1:
<?php // Create new imagick object $imagick = new Imagick( // Get the extrema $extrema = $imagick->getImageExtrema(); print_r($extrema); ?> |
Output:
Array ( [min] => 0 [max] => 65535 )
Program 2:
<?php // Create new imagick object $imagick = new Imagick( // Get the extrema $extrema = $imagick->getImageExtrema(); print_r($extrema); ?> |
Output:
Array ( [min] => 0 [max] => 65535 )
Reference: https://www.php.net/manual/en/imagick.getimageextrema.php
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