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run code in 150+ php & hhvm versions
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<?php $a = array(array("data" => "abcd", "edit" => "1", "day" => "05", "month" => "04", "year" => "2013"), array("data" => "efgh", "edit" => "2", "day" => "07", "month" => "03", "year" => "2013")); function cmp($a, $b) { $date1 = DateTime::createFromFormat("d/m/Y", $a["day"].'/'.$a["month"].'/'.$a["year"]); $date2 = DateTime::createFromFormat("d/m/Y", $b["day"].'/'.$b["month"].'/'.$b["year"]); return $date1->getTimestamp() - $date2->getTimestamp(); } usort($a, "cmp"); print_r($a);
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => Array ( [data] => efgh [edit] => 2 [day] => 07 [month] => 03 [year] => 2013 ) [1] => Array ( [data] => abcd [edit] => 1 [day] => 05 [month] => 04 [year] => 2013 ) )
Output for 5.2.10 - 5.2.17
Fatal error: Call to undefined method DateTime::createFromFormat() in /in/5EPVv on line 15
Process exited with code 255.
Output for 5.2.0 - 5.2.9
Fatal error: Call to undefined method DateTime::createfromformat() in /in/5EPVv on line 15
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/5EPVv on line 15
Process exited with code 255.
Output for 4.3.2 - 4.4.9
Fatal error: Undefined class name 'datetime' in /in/5EPVv on line 15
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Undefined class name 'datetime' in /in/5EPVv on line 15