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<?php $var1 = (int)date('M', 1403806493); $var2 = (int)date('d', 1403806493); $var3 = (int)date('Y', 1403806493); echo strtotime(date("M-d-Y H:i:s", mktime(23, 59, 59, $var1, $var2, $var3)));
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 - 5.5.37, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
1388098799
Output for 7.3.32 - 7.3.33, 8.0.13
1388102399
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5
-1

preferences:
267.84 ms | 402 KiB | 365 Q