(PHP 5 >= 5.5.0, PHP 7, PHP 8)
imagescale — Scale an image using the given new width and height
$image
, int $width
, int $height
= -1
, int $mode
= IMG_BILINEAR_FIXED
) : GdImage|falseimagescale() scales an image using the given interpolation algorithm.
Hinweis:
Unlike many of other image functions, imagescale() does not modify the passed
image
; instead, a new image is returned.
image
Eine von den verschiedenen Erzeugungsfunktionen wie imagecreatetruecolor() gelieferte Grafikressource.
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).
Hinweis:
IMG_WEIGHTED4
is not yet supported.
Return the scaled image object on successIm Fehlerfall wird false
zurückgegeben..
Version | Beschreibung |
---|---|
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.
|