3v4l.org

run code in 150+ php & hhvm versions
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<?php function dateCompare($a, $b) { $t1 = strtotime($a); $t2 = strtotime($b); return $t1 - $t2; } dateCompare('2013-12-02', '2013-12-06');
Output for 4.3.0 - 7.1.0