Archief - PHP: resizen picture

if ($fout!=true and $_FILES['userfile']['tmp_name']!="")
{
	list($width,$height) = getimagesize($_FILES['userfile']['tmp_name']);
	if ($height > 75 or $width > 75 ){
		$file_type = $_FILES['userfile']['type'];
    	$file_name = $_FILES['userfile']['name'];
    	$file_size = $_FILES['userfile']['size'];
    	$file_tmp = $_FILES['userfile']['tmp_name'];
		$Maxwidth=75;
		
		$extlimit = "yes"; 
        $limitedext = array(".gif",".jpg",".png",".jpeg",".bmp");
		$ext = strrchr($file_name,'.');
        $ext = strtolower($ext);
		 
		if (($extlimit == "yes") && (!in_array($ext,$limitedext))){
			$filetypeverkeerd=true;
			$messagefiletypeverkeerd="File moet een afbeelding zijn!";
			$fout=true;
		}
		
		$getExt = explode ('.', $file_name);
        $file_ext = $getExt[count($getExt)-1];
		$destination="images/".$usernameregister.".$file_ext";
				
		//keep image type
    	if($file_size){
    		if($file_type == "image/pjpeg" || $file_type == "image/jpeg"){
    			$new_img = imagecreatefromjpeg($file_tmp);
    		}elseif($file_type == "image/x-png" || $file_type == "image/png"){
    			$new_img = imagecreatefrompng($file_tmp);
    		}elseif($file_type == "image/gif"){
    			$new_img = imagecreatefromgif($file_tmp);
			}
    	}
		
		$imgratio=$width/$height;
		if ($imgratio>1){
    		$newwidth = $Maxwidth;
    		$newheight = $Maxwidth/$imgratio;
    	}else{
    		$newheight = $Maxwidth;
    		$newwidth = $Maxwidth;
    	}
		
		$resized_img = imagecreatetruecolor($newwidth,$newheight);
				
		//the resizing is going on here!
     	imagecopyresampled($resized_img, $new_img, 0, 0, 0, 0, 10, 10, $width, $height);
				 
      	//save the image
      	ImageJpeg($resized_img,$destination);
      	ImageDestroy($resized_img);
      	ImageDestroy($new_img);
				
      	//copy the finished file to the directory
		if($fout!=true)
		{
			move_uploaded_file($file_tmp,$destination);
			$resized=true;
		}
	}
}