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@ 2012-12-05T06:42:36Z

<?php
echo date("W", mktime(0, 0, 0, 12, 31, 2012));
?>

Output
Performance
VLD
References
Branches

mktime: documentation ( source)
date: documentation ( source)

preferences:dark modelive preview

43.93 ms | 402 KiB | 5 Q