Php/docs/function.imagecrop
来自菜鸟教程
imagecrop
(PHP 5 >= 5.5.0, PHP 7)
imagecrop — Crop an image to the given rectangle
说明
imagecrop
( resource $image
, array $rect
) : resource|false
Crops an image to the given rectangular area and returns the resulting image.
The given image is not modified.
参数
image- 由图象创建函数(例如imagecreatetruecolor())返回的图象资源。
rect- The cropping rectangle as array with keys
x,y,widthandheight.
返回值
Return cropped image resource on success 或者在失败时返回 false.
范例
Example #1 imagecrop() example
This example shows how to crop an image to a square area.
<?php$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($im2, 'example-cropped.png'); imagedestroy($im2);}imagedestroy($im);?>
