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<?php $yr="2011"; $week="01"; $date1 = date( 'Y-m-d', strtotime($yr . 'W' . str_pad($week, 2, '0', STR_PAD_LEFT)) );echo $date1; ?>
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
2011-01-03
Output for 5.0.0 - 5.0.5
2010-12-20
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
1970-01-01
preferences:
251.47 ms | 402 KiB | 399 Q