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run code in 300+ PHP versions simultaneously
<?php //</ prints something like: 2000-07-01T00:00:00+00:00 echo date(DATE_ATOM, mktime(0, 0, 0, 7, 1, 2000));
Output for 5.1.3 - 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 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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
2000-07-01T00:00:00+02:00
Output for 7.3.32 - 7.3.33, 8.0.13
2000-07-01T00:00:00+00:00
Output for 5.1.1 - 5.1.2
2000-07-01T00:00:00+0200
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0
Notice: Use of undefined constant DATE_ATOM - assumed 'DATE_ATOM' in /in/rICii on line 2 SatAMCESTE_AMCEST+0200Jul

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278.92 ms | 402 KiB | 457 Q