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@ 2014-02-27T13:18:16Z

<?php
$arrays=Array
(
"21" => Array
    (
        "0" => 3.5,
        "65" => Array
            (
                "0" => 44.125
            ),

        "150" => Array
            (
                "0" => 15.25
            ),

        "151" => Array
            (
                "0" => 17.333333333333
            )

    ),

"23" => Array
    (
        "0" => 0,
        "166" => Array
            (
                "0" => 26
            ),

        "172" => Array
            (
                "0" =>0 
            ),

        "182" => Array
            (
                "0" => 20.333333333333
            ),

        "183" => Array
            (
                "0" => 24.125
            )

    )

);




$count1 = 0;
$sum=0;
    $count2 = 0;
$sum2=0;
function isarr($array,$key7,$sum1,$count)
{
    $array2 = array_values($array);
    $size = sizeof($array2);
    foreach($array as $key1 => $value1)
    {
        if(is_array($value1))
        {
        isarr($value1,$key7,$sum1,$count);
        }
    	else
    	{
			if($key1 == "0")
        	{
            $sum1 = $sum1 + $value1;$count++;
        	}
    	}

    }
    $arrays[$key7][0] = $sum1 / $count;

}



    foreach ($arrays as $key3 => $value3) 
    {

         isarr($value3,$key3,0,0);

    }


//$array[21][0] = ($sum/$count1);
//$array[23][0] = ($sum2/$count2);



//echo $catCount = count(preg_grep("/^0+$/", array_keys(get_object_vars($array))));

print_r($array);

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Warning: Undefined variable $array in /in/Z8YAS on line 98
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33: Notice: Undefined variable: array in /in/Z8YAS on line 98
Output for 7.3.32 - 7.3.33
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3: Notice: Undefined variable: array in /in/Z8YAS on line 98

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