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run code in 200+ php & hhvm versions
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<?php $yearago = time() - (365*24*60*60); $date = new \DateTime('-1 year'); echo $date->getTimestamp() . ' ' . $yearago;
Output for 5.3.0 - 5.4.7, 5.4.9 - 7.1.0, 7.1.6 - 7.3.0rc4
1408375289 1408375289
Output for 7.1.5
1408375289 1408375290
Output for 5.4.8
1408375288 1408375288
Output for 5.2.0 - 5.2.17
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/QdOIS on line 5 Fatal error: Call to undefined method DateTime::getTimestamp() in /in/QdOIS on line 6
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/QdOIS on line 5 Fatal error: Class 'DateTime' not found in /in/QdOIS on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/QdOIS on line 5 Fatal error: Cannot instantiate non-existent class: datetime in /in/QdOIS on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Warning: Unexpected character in input: '\' (ASCII=92) state=1 in /in/QdOIS on line 5 Fatal error: Cannot instantiate non-existent class: datetime in /in/QdOIS on line 5