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<?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 git.master, git.master_jit, rfc.property-hooks
string(3) "xml"

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