Validate phone number

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

Tags

No tag here.

Recommended pages

Get all subsets of array...

If you have a list of items (for example)......

Random string generator...

Random string generator. Optionally, you can give it a desired string length. function rnd_string($len = 24) { $str = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; $str...

PHP subwords() Function...

Function subwords, gets words by max num....

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($fi...