php多张图片拼接成一张图片

<?php$imgs = array();$imgs[0] = 'imgs/1.jpg';$imgs[1] = 'imgs/2.jpg';$imgs[2] = 'imgs/3.jpg';$imgs[3] = 'imgs/4.jpg';$target = 'emp.jpg'; //背景图片 $target_img = Imagecreatefromjpeg($target); $source = array(); foreach ($imgs as $k => $v) { $source[$k]['source'] = Imagecreatefromjpeg($v); $source[$k]['size'] = getimagesize($v); } //imagecopy ($target_img,$source[0]['source'],2,2,0,0,$source[0]['size'][0],$source[0]['size'][1]);//imagecopy ($target_img,$source[1]['source'],250,2,0,0,$source[1]['size'][0],$source[1]['size'][1]);$num1 = 0;$num = 1;$tmp = 2;$tmpy = 2; //图片之间的间距for ($i = 0; $i < 4; $i++) { imagecopy($target_img, $source[$i]['source'], $tmp, $tmpy, 0, 0, $source[$i]['size'][0], $source[$i]['size'][1]); $tmp = $tmp + $source[$i]['size'][0]; $tmp = $tmp + 5; if ($i == $num) { $tmpy = $tmpy + $source[$i]['size'][1]; $tmpy = $tmpy + 5; $tmp = 2; $num = $num + 3; }}Imagejpeg($target_img, 'pin.jpg'); ?><img src="pin.jpg">

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