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

Change timestamp to custom format...

Use this function for change timestamp to custom format......

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...

Human readable file size...

This function return formatting of file sizes in a human readable format. function formatFileSize( $size ) { $file_size = $size; $i = 0;   $name = array( 'byte', 'kB', 'MB', '...

Number Format...

Format a number with grouped thousands......