fork download 
  1. <?php
  2.     function isLeapYear($year = NULL) {
  3.          $year = is_numeric($year) ? $year : date('Y');
  4.          return cal_days_in_month(CAL_GREGORIAN, 2, $year) === 29;
  5.     }
  6.  
  7.     var_dump(isLeapYear());//Ano atual
  8.     var_dump(isLeapYear(2015));//Ano 2015
  9.     var_dump(isLeapYear(2016));//Ano 2016
  10.     var_dump(isLeapYear(2017));//Ano 2017
Success #stdin #stdout 0.03s 52480KB
comments (?)
stdin 
Standard input is empty
stdout 
bool(true)
bool(false)
bool(true)
bool(false)
https://ideone.com/6ptj5P
language:
PHP (php 7.3.5)
created:
8 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!