- strptime: documentation ( source)
- print_r: documentation ( source)
- mktime: documentation ( source)
- date_default_timezone_set: documentation ( source)
- date: documentation ( source)
- extract: documentation ( source)
<?php
date_default_timezone_set('Europe/Berlin');
$date = "15.11.2015";
$format_in = '%d.%m.%Y';
$format_out = "%s";
$date_array = strptime($date, $format_in);
print_r($date_array);
extract($date_array, EXTR_PREFIX_SAME, "wddx");
$timestamp = date("U", mktime($tm_hour, $tm_min, $tm_sec, $tm_mon, $tm_mday, $tm_year + 1900));
echo "$timestamp\n";
?>