PHP check file extension [duplicate]
pathinfo is what you're looking for
PHP.net
$file_parts = pathinfo($filename);
switch($file_parts['extension'])
{
case "jpg":
break;
case "exe":
break;
case "": // Handle file extension for files ending in '.'
case NULL: // Handle no file extension
break;
}
$info = pathinfo($pathtofile);
if ($info["extension"] == "jpg") { .... }