PHP 7.0.0 RC 8 Released


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Imagick::functionImageApplies a function on the image


public bool Imagick::functionImage ( int $function , array $arguments [, int $channel = Imagick::CHANNEL_DEFAULT ] )

Applies an arithmetic, relational, or logical expression to an image. Use these operators to create lighter or darker versions of an image, to increase or decrease contrast in an image, or to negate the image colors. This method is available if Imagick has been compiled against ImageMagick version 6.4.9 or newer.



Refer to this list of function constants


Array of arguments to pass to this function.

Return Values

Returns TRUE on success.


Throws ImagickException on error.

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