Usage example:
$image = imagecreatefromjpeg('test.jpg'); //read a jpg file
imageavif($image, 'test.avif'); //save an avif file
(PHP 8 >= 8.1.0)
imageavif — 输出图象到浏览器或文件。
$image,$file = null,$quality = -1,$speed = -1
Outputs or saves a AVIF Raster image from the given image.
image由图象创建函数(例如imagecreatetruecolor())返回的 GdImage 对象。
file
文件保存的路径或者已打开的流资源（此方法返回后自动关闭该流资源），如果未设置或为 null，将会直接输出原始图象流。
quality
quality is optional, and ranges from 0 (worst quality, smaller file)
to 100 (best quality, larger file).
If -1 is provided, the default value 30 is used.
speed
speed is optional, and ranges from 0 (slow, smaller file)
to 10 (fast, larger file).
If -1 is provided, the default value 6 is used.
Throws a ValueError if quality
or speed is invalid.
| 版本 | 说明 |
|---|---|
| 8.4.0 |
Now throws a ValueError if quality
or speed is invalid.
|
Usage example:
$image = imagecreatefromjpeg('test.jpg'); //read a jpg file
imageavif($image, 'test.avif'); //save an avif file