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run code in 150+ php & hhvm versions
Bugs & Features
<?php function array_key_exists_recursive($key, array $array, $strict = false) { foreach ($array as $k => $v) { if ($strict && $key === $k) { return true; } else if (!$strict && $key == $k) { return true; } else if (is_array($v)) { return array_key_exists_recursive($key, $v, $strict); } } } $array = Array ( 21 => Array ( ) , 24 => Array ( 22 => Array ( ) , 25 => Array ( 26 => Array ( ) , ) ) ); var_dump(array_key_exists_recursive(22, $array));
Output for 5.1.0 - 7.1.0
NULL
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/WcVZD on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting '&' or T_VARIABLE or T_CONST in /in/WcVZD on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE or T_CONST in /in/WcVZD on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `'&'' or `T_VARIABLE' or `T_CONST' in /in/WcVZD on line 2
Process exited with code 255.