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<?php $a['abc']['def']['ghi'] = 'meukee!'; function getArrayValueByKeys(array $array, $key, ...$keys) { if (!isset($array[$key])) throw new Exception; if(is_array($array[$key])) return getArrayValueByKeys($array[$key], ...$keys); return $array[$key]; } echo getArrayValueByKeys($a, ...['abc', 'def', 'ghi']); echo getArrayValueByKeys($a, ...['ddd', 'def', 'ghi']);
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
meukee! Fatal error: Uncaught Exception in /in/jGggP:8 Stack trace: #0 /in/jGggP(19): getArrayValueByKeys(Array, 'ddd', 'def', 'ghi') #1 {main} thrown in /in/jGggP on line 8
Process exited with code 255.
Output for 5.6.8 - 5.6.28
meukee! Fatal error: Uncaught exception 'Exception' in /in/jGggP:8 Stack trace: #0 /in/jGggP(19): getArrayValueByKeys(Array, 'ddd', 'def', 'ghi') #1 {main} thrown in /in/jGggP on line 8
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/jGggP on line 5
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE in /in/jGggP on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/jGggP on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/jGggP on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/jGggP on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/jGggP on line 5
Process exited with code 255.

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