Imagick
PHP Manual

Imagick::getImageExtrema

Gets the extrema for the image

Description

array Imagick::getImageExtrema ( void )

Gets the extrema for the image. Returns an associative array with the keys "min" and "max".

Return Values

Returns an associative array with the keys "min" and "max".

Errors/Exceptions

Throws ImagickException on error.