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run code in 150+ php & hhvm versions
Bugs & Features
<?php $string = "blah 2015 yar"; $pos = strpos($string, "20"); $year = substr($string, $pos, 4); echo $year; $end_year = "12/31/" . $year; $end_time = new DateTime($end_year); $start_time = new DateTime(); $diff = $end_time ->diff($start_time); ?>
based on 6KMTa
Output for 5.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
2015
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.2.0 - 5.2.17
2015 Fatal error: Call to undefined method DateTime::diff() in /in/EoH2O on line 10
Process exited with code 255.
Output for 5.0.0 - 5.1.6
2015 Fatal error: Class 'DateTime' not found in /in/EoH2O on line 8
Process exited with code 255.
Output for 4.3.2 - 4.4.9
2015 Fatal error: Cannot instantiate non-existent class: datetime in /in/EoH2O on line 8
Process exited with code 255.
Output for 4.3.0 - 4.3.1
2015 Fatal error: Cannot instantiate non-existent class: datetime in /in/EoH2O on line 8