Online PHP editor | output for 05tc7

@ 2019-05-10T13:50:06Z

<?php

$arr = array("A" => "aa", "B" => ["A" => "aaa", "B" => "bb"], "C" => "cc", "D" => ["E" =>"ee"]);

function array_filter_recursive(array &$array, callable $callback) {
    foreach ($array as $key => &$value) {
        if ($callback($key, $value))   unset($array[$key]);
        else if (is_array($value))     array_filter_recursive($value, $callback);
    }
}

function sanitizedArray(&$arr, $restrictedProperties) {
    foreach($restrictedProperties as $prop) {
        array_filter_recursive($arr, function($k, $v) use ($prop) {return $prop == $k;});
    }
}
sanitizedArray($arr, ["D"]);
print_r($arr);

Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.32, 8.2.0 - 8.2.28, 8.3.0 - 8.3.22, 8.4.1 - 8.4.8: Array ( [A] => aa [B] => Array ( [A] => aaa [B] => bb ) [C] => cc )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/05tc7 on line 3
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, 5.0.0 - 5.0.5: Parse error: parse error, unexpected '[' in /in/05tc7 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/05tc7 on line 3
Process exited with code 255.

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