Methods and cases for merging multiple pictures into one in PHP-PHP Tutorial-php.cn

This article mainly introduces the method of merging multiple pictures into one in PHP. Friends who are interested can refer to it. I hope it will be helpful to everyone.

The example is as follows:

$pic_path ) { $kk = $k + 1; if ( in_array($kk, $lineArr) ) { $start_x = $line_x; $start_y = $start_y + $pic_h + $space_y; } $pathInfo = pathinfo($pic_path); switch( strtolower($pathInfo['extension']) ) { case 'jpg': case 'jpeg': $imagecreatefromjpeg = 'imagecreatefromjpeg'; break; case 'png': $imagecreatefromjpeg = 'imagecreatefrompng'; break; case 'gif': default: $imagecreatefromjpeg = 'imagecreatefromstring'; $pic_path = file_get_contents($pic_path); break; } $resource = $imagecreatefromjpeg($pic_path); // $start_x,$start_y copy图片在背景中的位置 // 0,0 被copy图片的位置 // $pic_w,$pic_h copy后的高度和宽度 imagecopyresized($background,$resource,$start_x,$start_y,0,0,$pic_w,$pic_h,imagesx($resource),imagesy($resource)); // 最后两个参数为原始图片宽度和高度，倒数两个参数为copy时的图片宽度和高度 $start_x = $start_x + $pic_w + $space_x; } header("Content-type: image/jpg"); imagejpeg($background); imagegif($background, "./hero_gam.png"); ?>

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