Get first and last day in month using php

First day of month

function firstDay($month = '', $year = '') { if (empty($month)) { $month = date('m'); } if (empty($year)) { $year = date('Y'); } $result = strtotime("{$year}-{$month}-01"); return date('Y-m-d', $result); }

Last day of month

function lastday($month = '', $year = '') { if (empty($month)) { $month = date('m'); } if (empty($year)) { $year = date('Y'); } $result = strtotime("{$year}-{$month}-01"); $result = strtotime('-1 second', strtotime('+1 month', $result)); return date('Y-m-d', $result); }

How to use (for beginner)?

ex. firstDay(11, 2016)  // 2016-11-01
ex. lastday(11, 2016) // 2016-11-30

Source : Get first and last day in month using php