PHP 8.1.0 RC 2 available for testing

imagescale

(PHP 5 >= 5.5.0, PHP 7, PHP 8)

imagescaleScale an image using the given new width and height

Descrição

imagescale(
    GdImage $image,
    int $width,
    int $height = -1,
    int $mode = IMG_BILINEAR_FIXED
): GdImage|false

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

Nota:

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

Parâmetros

image

Um resource de imagem, retornado por funções de criação de imagens, como imagecreatetruecolor().

width

The width to scale the image to.

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).

Nota: IMG_WEIGHTED4 is not yet supported.

Valor Retornado

Return the scaled image object on success ou false em caso de falha.

Changelog

Versão Descrição
8.0.0 On success, this function returns a GDImage instance now; previously, a resource was returned.
8.0.0 image expects a GdImage instance now; previously, a resource was expected.

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