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@ 2014-10-16T07:59:43Z

<?php
$array = array(1, array(2,3, array("a","b","c")));
$output = iterator_to_array(new RecursiveIteratorIterator(
    new RecursiveArrayIterator($array)), TRUE);
print_r($output);
/**
Array
(
    [0] => 1
    [1] => 2
    [2] => 3
    [3] => a
    [4] => b
    [5] => c
)

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