Online PHP editor | output for NCPkl

@ 2014-08-04T20:26:47Z

<?php

$testArray = array(
    'router' => array(
        'format' => 'xml',
    ),
);

function array_get($array, $key, $default = null)
{
    if (is_null($key)) return $array; 
    if (isset($array[$key])) return $array[$key];
    foreach (explode('.', $key) as $segment)
    {
         if ( ! is_array($array) or ! array_key_exists($segment, $array))
         {
             return value($default);
         }

         $array = $array[$segment];
    }

    return $array;
}

function value($value)
{
     return $value instanceof Closure ? $value() : $value;
}

var_dump(array_get($testArray, 'router.format'));

Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: string(3) "xml"
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_STRING in /in/NCPkl on line 28
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_STRING in /in/NCPkl on line 28
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/NCPkl on line 28
Process exited with code 255.

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