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<?php echo date("Y-m-d", strtotime("2019W16 next friday")); ?>
Output for 8.1.34, 8.2.27 - 8.2.30, 8.3.0 - 8.3.29, 8.4.1 - 8.4.16, 8.5.0 - 8.5.1
2019-04-18
Output for 5.1.6
2019-04-19
preferences:
59.27 ms | 406 KiB | 5 Q