- base_convert: documentation ( source)
- gmdate: documentation ( source)
<?php
$utc_offset = 946684800000;
$prc_str = "1AF44B00";
$t = base_convert($prc_str,16,10);
echo t." ".gmdate("Y-m-d H:i:s", $t)."\r\n";
$t = $t + $utc_offset;
echo t." ".gmdate("Y-m-d H:i:s", $t)."\r\n";
?>