- print_r: documentation ( source)
- date_create_from_format: documentation ( source)
<?php
$last_vote_date_str = '19:45:12 25.12.13';
$vote_date = date_create_from_format("H:i:s d.m.y", $last_vote_date_str); //$last_vote_date_str is 19:45:12 25.12.13
print_r($vote_date);