imagecrop
(PHP 5 >= 5.5.0, PHP 7, PHP 8)
imagecrop — Crop an image to the given rectangle
说明
Crops an image to the given rectangular area and returns the resulting image.
The given image
is not modified.
参数
-
image
由图象创建函数(例如imagecreatetruecolor())返回的 GdImage 对象。
rectangle
-
The cropping rectangle as array with keys
x
,y
,width
andheight
.
返回值
Return cropped image object on success 或者在失败时返回 false
.
更新日志
版本 | 说明 |
---|---|
8.0.0 |
image 现在需要 GdImage 实例;之前需要有效的 gd resource。
|
8.0.0 | On success, this function returns a GDImage instance now; previously, a resource was returned. |
示例
示例 #1 imagecrop() example
This example shows how to crop an image to a square area.
<?php
$im = imagecreatefrompng('example.png');
$size = min(imagesx($im), imagesy($im));
$im2 = imagecrop($im, ['x' => 0, 'y' => 0, 'width' => $size, 'height' => $size]);
if ($im2 !== FALSE) {
imagepng($im2, 'example-cropped.png');
}
?>
参见
- imagecropauto() - Crop an image automatically using one of the available modes
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