php find number of seconds in a time string code example

Example 1: time to string in php

<?php
$date = '27/06/2020, 04:42:43 PM';
$date = str_replace('/', '-', $date);
echo date('F j, Y, g:i a',strtotime($date));

// output : June 27, 2020, 4:42 pm
?>

Example 2: php time

<?php
$t=time();
echo($t . "<br>");
echo(date("Y-m-d",$t));
?>