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run code in 300+ PHP versions simultaneously
<?php echo date('Y-m-d h:i:s', 1); echo date('Y-m-d h:i:s', '1'); echo date('Y-m-d h:i:s', -1);
Output for git.master, git.master_jit, rfc.property-hooks
1970-01-01 01:00:011970-01-01 01:00:011970-01-01 12:59:59

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