convert string to timestamp php

PHP
<?php 
echo date('m/d/Y H:i:s', 1541843467); 
?> $date = '25/05/2010';
$date = str_replace('/', '-', $date);
echo date('Y-m-d', strtotime($date));<?php 
echo date('m/d/Y H:i:s', 1541843467); 
?>
Source

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