imagescale

(PHP 5 >= 5.5.0, PHP 7)

imagescaleScale an image using the given new width and height

Description

imagescale ( resource $image , int $new_width [, int $new_height = -1 [, int $mode = IMG_BILINEAR_FIXED ]] ) : resource

imagescale() scales an image using the given interpolation algorithm.

Note:

Unlike many of other image functions, imagescale() does not modify the passed image; instead, a new image is returned.

Parameters

image

An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().

new_width

The width to scale the image to.

new_height

The height to scale the image to. If omitted or negative, the aspect ratio will be preserved.

mode

One of IMG_NEAREST_NEIGHBOUR, IMG_BILINEAR_FIXED, IMG_BICUBIC, IMG_BICUBIC_FIXED or anything else (will use two pass).

Note: IMG_WEIGHTED4 is not yet supported.

Return Values

Return the scaled image resource on success or FALSE on failure.

See Also

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