php图片裁剪实现方法

<?php

<?php 

    /**

    * cutimage

    *

    */

    $filename = "./images/gg.jpg";

    $src_image = imagecreatefromjpeg($filename);

    $w = 200;

    $h = 200;

    $src_x = 250;

    $src_y = 250;

    $dst_image = imagecreatetruecolor($w, $h);

    imagecopyresampled($dst_image, $src_image, 0, 0, $src_x, $src_y, $w, $h, $w, $h);

    header("content-type:image/jpeg");

    imagejpeg($dst_image);

    imagedestroy($dst_image);