<?php
function removeDuplicates($array) {
    $result = array();
    $check = array();
    foreach ($array as $key => $value) {
        $test = print_r($value, TRUE);
        if (!isset($check[$test])) {
            $check[$test] = TRUE;
            $result[$key] = $value;
        }
    }
    return $result;
}
?>