PHP code to upload pictures and put transparent watermark on pictures_javascript skills

Copy code The code is as follows:

$im = imagecreatefromjpeg($_file["upload"]["tmp_name "]); //You want to draw the picture of the water example
$watermark = imagecreatefrompng("Smiley.png"); //The path of the watermark image
$im_x = imagesx($im);
$ im_y = imagesy($im);
$w_x = imagesx($watermark);
$w_y = imagesy($watermark);
imagecopy($im,$watermark ,$im_x-$w_x,$ im_y-$w_y,0,0,$w_x,$w_y);
imagejpeg($im); //You can add a path to save the watermarked image
//You can use type to determine the image type
//switch($_file["upload"]["type"])
//case:1
//Then use different functions
//imagejpeg() to correspond to jpeg
//imagegif() corresponds to gif
//imagepng() corresponds to png
imagedestroy($im);