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run code in 150+ php & hhvm versions
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<?php $test = [ 'a' => ['asasd', 'asdas'], 'b' => ['asdas', 'asd'], ]; end($test); $test[key($test)][] = 'kkk' ; var_dump($test);
based on 6VBQ3
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(2) { ["a"]=> array(2) { [0]=> string(5) "asasd" [1]=> string(5) "asdas" } ["b"]=> array(3) { [0]=> string(5) "asdas" [1]=> string(3) "asd" [2]=> string(3) "kkk" } }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/KXQLb 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/KXQLb on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/KXQLb on line 3
Process exited with code 255.