gert the day by certain date php code example

Example 1: php get day from date

$timestamp = strtotime('2009-10-22');

$day = date('D', $timestamp);
var_dump($day);

Example 2: php get start of today

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