(PHP 5 >= 5.5.0, PHP 7)
imagescale — Scale an image using the given new width and height
$image
, int $new_width
[, int $new_height
= -1
[, int $mode
= IMG_BILINEAR_FIXED
]] ) : resource|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.
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).
Hinweis:
IMG_WEIGHTED4
is not yet supported.
Return the scaled image resource on successIm Fehlerfall wird FALSE
zurückgegeben..