Chek if a phone numbers is valid, according to its syntax (should be: "+390523599314"). True if it's valid, False otherwise
function is_valid_phone( $phone ) { if ( $phone[0] != "+" ) { return false; } // end if else { $phone = substr( $phone, 1 ); // delete the "+" if ( !is_numeric( $phone ) ) { return false; } // end if } // end else return true; } // end function is_valid_phone
Random string generator. Optionally, you can give it a desired string length. function rnd_string($len = 24) { $str = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; $str...
This function check if an e-mail address is valid or not. function valid_email($email) { return preg_match('/^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/', $email);...
This function is used to find the file extension also you can use pathinfo() function for get information about a file path. function ext($file_name) { return substr($file_name, strrpos($fi...
Format a number with grouped thousands......
