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run code in 150+ php & hhvm versions
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<?php $array1 = ['en' => ['em' => null]]; $array2 = ['en' => ['em' => 'RESULT'], 'something' => ['somekey1' => 'somevalue1', 'somekey2' => 'somevalue2']]; function get_result(array $arr) { $args = func_get_args(); unset($args[0]); if (!$args) { return; } foreach ($args as $arg) { if (!isset($arr[$arg])) { return; } $arr = $arr[$arg]; } return $arr; } var_dump( get_result($array2, 'en', 'em') ); var_dump( get_result($array2, 'en') ); var_dump( get_result($array2, 'something', 'somekey2') );
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(6) "RESULT" array(1) { ["em"]=> string(6) "RESULT" } string(10) "somevalue2"
Output for 5.2.3 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/vmJui on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected '[' in <b>/in/vmJui</b> on line <b>3</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected '[' in <b>/in/vmJui</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/vmJui</b> on line <b>3</b><br />
Process exited with code 255.