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<?php function get_timestamp ($time = NULL) { echo date ('Y-M-d H:m:s', $time), "\n"; } get_timestamp (); get_timestamp (time()); get_timestamp (NULL);
Output for 4.3.0 - 5.1.3, 5.1.5 - 5.6.30, hhvm-3.10.1, 7.0.0 - 7.3.0rc4
1970-Jan-01 01:01:00 2013-Oct-19 20:10:36 1970-Jan-01 01:01:00
Output for hhvm-3.11.1 - 3.13.2, hhvm-3.17.3
Warning: date() expects parameter 2 to be integer, null given in /in/tjqLb on line 6 2013-Oct-19 20:10:36 Warning: date() expects parameter 2 to be integer, null given in /in/tjqLb on line 6
Output for hhvm-3.15.4
Warning: date() expects parameter 2 to be integer, null given in /in/tjqLb on line 6 2013-Oct-19 20:10:37 Warning: date() expects parameter 2 to be integer, null given in /in/tjqLb on line 6
Output for 5.1.4
1970-Jan-01 01:01:00 2013-Oct-19 20:10:35 1970-Jan-01 01:01:00