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check if the year is leap

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check if the year is leap

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  1. function is_leap($year){
  2.     try {
  3.         $year = intval(abs($year));
  4.         if(is_numeric($year)){
  5.             if(($year % 4) === 0){
  6.                 return true;
  7.             }
  8.             return false;
  9.         }else{
  10.             throw new Exception('is_leap() exepts one param as numeric given ,'.gettype($year));
  11.         }
  12.     }catch(Exception $e){
  13.         trigger_error($e->getMessage(),E_USER_ERROR);
  14.     }    
  15. }

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