php Get current start date of year code example

Example 1: php get start and end date of month and year

<?php

$query_date = '2010-02-04';

// First day of the month.
echo date('Y-m-01', strtotime($query_date));

// Last day of the month.
echo date('Y-m-t', strtotime($query_date));

Example 2: php get start of today

$beginOfDay = strtotime("today");
//to format
//$beginOfDay = date("Y-m-d H:i:s",strtotime('today'));