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php為圖片加浮水印程式碼，php圖片浮水印實例，可以設定上傳檔案大小限制，設定是否附加浮水印，設定浮水印位置、浮水印字串與浮水印圖片，是否產生預覽圖等。
例子，php圖片浮水印程式碼。 檔名: ".$destination_folder.$fname." "; echo " 寬度:".$image_size[0]; echo " 長度:".$image_size[1]; echo " 大小:".$file["size"]." bytes"; if($watermark==1) { $iinfo=getimagesize($destination,$iinfo); $nimage=imagecreatetruecolor($image_size[0],$image_size[1]); $white=imagecolorallocate($nimage,255,255,255); $black=imagecolorallocate($nimage,0,0,0); $red=imagecolorallocate($nimage,255,0,0); imagefill($nimage,0,0,$white); switch ($iinfo[2]) { case 1: $simage =imagecreatefromgif($destination); break; case 2: $simage =imagecreatefromjpeg($destination); break; case 3: $simage =imagecreatefrompng($destination); break; case 6: $simage =imagecreatefromwbmp($destination); break; default: die("不支援的文件類型"); exit; } imagecopy($nimage,$simage,0,0,0,0,$image_size[0],$image_size[1]); imagefilledrectangle($nimage,1,$image_size[1]-15,80,$image_size[1],$white); switch($watertype) { case 1: //加浮水印字串 imagestring($nimage,2,3,$image_size[1]-15,$waterstring,$black); break; case 2: //加浮水印圖片 $simage1 =imagecreatefromgif("xplore.gif"); imagecopy($nimage,$simage1,0,0,0,0,85,15); imagedestroy($simage1); break; } switch ($iinfo[2]) { case 1: //imagegif($nimage, $destination); imagejpeg($nimage, $destination); break; case 2: imagejpeg($nimage, $destination); break; case 3: imagepng($nimage, $destination); break; case 6: imagewbmp($nimage, $destination); //imagejpeg($nimage, $destination); break; } //覆蓋原上傳文件 imagedestroy($nimage); imagedestroy($simage); } if($imgpreview==1)
{
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