QR-Code bisher jpg zusätzlich pdf

        	<?php 
			$img = "createqr".time().".png";  
			if(!isset($_POST['img_size'])){$_POST['img_size'] = 174;}  
			$qr->draw($_POST['img_size'], $_POST['error_correction_level'],"img/".$img);  
				$im = imagecreatefrompng("img/".$img);  
				$im_x = (int)$_POST['img_size'];  
				$im_y = (int)$_POST['img_size'];  
				$bcolor_array = explode(",",hex2rgb($_POST['bcolor']));  
				$fcolor_array = explode(",",hex2rgb($_POST['fcolor']));	  
 
				$color = imagecolorallocate($im, $fcolor_array, $fcolor_array[1], $fcolor_array[2]);
				$bg_color = imagecolorallocate($im, $bcolor_array, $bcolor_array[1], $bcolor_array[2]);
				for ($x = 0; $x < $im_x; $x++){
					for ($y = 0; $y < $im_y; $y++){
						$rgb = imagecolorat($im, $x, $y);
						$colors = imagecolorsforindex($im, $rgb);
 
						if ( $colors['red'] == 0 && $colors['blue'] == 0 && $colors['green'] == 0 ){			  
							imagesetpixel($im, $x, $y, $color);
						}
						if ( $colors['red'] == 255 && $colors['blue'] == 255 && $colors['green'] == 255){			  
							imagesetpixel($im, $x, $y, $bg_color);
						}
					}
				}
				imagepng($im,"img/".$img);  
			?>