xxxxxxxxxx
$ts = 1171502725;
$date = new DateTime("@$ts");
xxxxxxxxxx
<?php
//Y-M-D formate :-
$date = "2020-09-23";
$timestamp1 = strtotime($date);
echo $timestamp1;
echo "<br>";
//D-M-Y formate
$date2 = "24-09-2020";
$timestamp2 = strtotime($date2);
echo $timestamp2;
echo "<br>";
//British English words Formate
$date3 = "16 May 2019";
$timestamp3 = strtotime($date3);
echo $timestamp3;
?>
//Output:
1600819200
1600905600
1557964800