--TEST--
SPL: RecursiveTreeIterator methods
--INI--
error_reporting=E_ALL&~E_NOTICE
--FILE--
<?php

$ary = array(
    0 => array(
        "a",
        1,
    ),
    "a" => array(
        2,
        "b",
        3 => array(
            4,
            "c",
        ),
        "3" => array(
            4,
            "c",
        ),
    ),
);

$it = new RecursiveTreeIterator(new RecursiveArrayIterator($ary));
foreach($it as $k => $v) {
    echo '[' . $it->key() . '] => ' . $it->getPrefix() . $it->getEntry() . $it->getPostfix() . "\n";
}
?>
--EXPECT--
[0] => |-Array
[0] => | |-a
[1] => | \-1
[a] => \-Array
[0] =>   |-2
[1] =>   |-b
[3] =>   \-Array
[0] =>     |-4
[1] =>     \-c