распечатать перебрать многомерный массив print_r to var php

 <?php
  /**
    * pseudo print_r to string
    * 
    * @param mixed $array
    * @param mixed $flag
    * @return string
    */
    function printMdArrayToVar($array, $flag = 0){
        foreach ($array as $k => $v) {
            if (is_array($v)){
                $flag += 1;
                $result .= printMdArrayToVar($v, $flag);
                $flag -= 1;
            } else {
                if (!is_array($v)){
                    $x=$flag;
                    while ($x-->0) $result .= "\t";
                    $result .= "[$k] $v\n";
                }
            }
        }
        return $result;
    }
$aa = array("vaa1" => "aa1", "vaa2" => "aa2", "vaa3" => "aa3");
$a = array("va1" => "a1", "va2" => "a2", "vaa" => $aa);
$b = array("vb1" => "b1", "vb2" => "b2");
$c = array("vtext1" => "text1", "va" => $a, "vb" => $b, "vtext2" => "text2");
echo printMdArrayToVar($c);
?>

return →

[vtext1] text1
	[va1] a1
	[va2] a2
		[vaa1] aa1
		[vaa2] aa2
		[vaa3] aa3
	[vb1] b1
	[vb2] b2
[vtext2] text2