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run code in 200+ php & hhvm versions
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<?php $a = array('a', 'b', 'c'); if (in_array(array('a', 'b'), $a)) { echo "in array" . PHP_EOL; } else { echo "not" . PHP_EOL; }
Output for 4.3.10 - 4.4.9, 5.0.2 - 7.2.0
not
Output for 4.3.0 - 4.3.9, 5.0.0 - 5.0.1
Notice: Use of undefined constant PHP_EOL - assumed 'PHP_EOL' in /in/7CiQ7 on line 7 notPHP_EOL