imagecrop

(PHP 5 >= 5.5.0, PHP 7, PHP 8)

imagecropCrop an image to the given rectangle

说明

imagecrop(GdImage $image, array $rectangle): GdImage|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 GdImage 对象。

rectangle

The cropping rectangle as array with keys x, y, width and height.

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');
imagedestroy($im2);
}
imagedestroy($im);
?>

参见

  • imagecropauto() - Crop an image automatically using one of the available modes
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