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run code in 150+ php & hhvm versions
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<?php $a1 = ["a" => "green", "red", "blue"]; $a2 = ["red", "b" => "green", "yellow"]; $res = array_intersect($a1, $a2); print_r($res);
based on sWZaM
Output for 5.4.0 - 7.1.0
Array ( [a] => green [0] => red )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/iEHU3 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/iEHU3 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/iEHU3 on line 3
Process exited with code 255.