PHP图片水印

<?php /*打开图片*///1.配置图片路径$src = "bg.jpg";//2.获取图片基本信息$info = getimagesize($src);//3.通过编号获取类型$type = image_type_to_extension($info[2],false);//4.创建图片$fun = "imagecreatefrom".$type;//5.复制到内存$image = $fun($src);/*操作图片*///1.设置水印路径$imageMark = "dog.jpg";//2.获取水印图片的基本信息$info2 = getimagesize($imageMark);//3.通过编号获取类型$type2 = image_type_to_extension($info2[2],false);//4.内存中创建图像$fun2 = "imagecreatefrom".$type2;//5.复制到内存$water = $fun2($imageMark);//6.合并图片imagecopymerge($image, $water, 20, 30, 0, 0, $info2[0], $info2[1], 30);//7.销毁水印图片imagedestroy($water);/*输出图片*///浏览器输出header("Content-type:".$info['mime']);$fun = "image".$type;$fun($image);//保存图片$fun($image,'bg_dog.'.$type);/*销毁图片*/imagedestroy($image);