imagescale
(PHP 5 >= 5.5.0, PHP 7, PHP 8)
imagescale — Scale an image using the given new width and height
Descrição
$image
, int $width
, int $height = -1
, int $mode = IMG_BILINEAR_FIXED
) : GdImage|falseimagescale() 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_FIXEDor anything else (will use two pass).Nota:
IMG_WEIGHTED4is 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.
|
Veja Também
- imagecopyresized() - Copy and resize part of an image
- imagecopyresampled() - Copy and resize part of an image with resampling
add a note
