Detect file extension function

This function is used to find the file extension also you can use pathinfo() function for get information about a file path.

function ext($file_name)
{
   return substr($file_name, strrpos($file_name, '.') + 1);
}

Tags

No tag here.

Recommended pages

URL Checker...

This function check if an url is valid or not. function is_valid_url($url) { return preg_match('|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i', $url); }...

Better parse_str in php...

parse_str() is fine for simple stuff but it's not the same as PHP's built way of creating the $_GET magic variable. Why?!?......

How to created mixed arguments function...

This way useful for create mixed arguments function. function foo() { $args = func_get_args(); print_r($args); }   foo(1, 1256, 6, 17); //mixed ...   -------------------Out-...

Email Address Checker...

This function check if an e-mail address is valid or not. function valid_email($email) { return preg_match('/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/', $email);...