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run code in 200+ php & hhvm versions
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<?php $langs = array("en", "de", "pt"); foreach($langs as $val) { $array[$val] = array_filter($langs, function($c) use($val) {return $c != $val;}); } print_r($array);
Output for 5.3.0 - 7.2.0
Array ( [en] => Array ( [1] => de [2] => pt ) [de] => Array ( [0] => en [2] => pt ) [pt] => Array ( [0] => en [1] => de ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/kBFgQ on line 5
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 T_FUNCTION in /in/kBFgQ on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/kBFgQ on line 5
Process exited with code 255.