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@ 2014-02-27T13:17:25Z

<?php
$array=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 + $value1;$count1++;
        	}
    	}

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

}



    foreach ($array 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 git.master, git.master_jit, rfc.property-hooks: Warning: Undefined variable $count1 in /in/U7OoZ on line 72 Warning: Undefined variable $count1 in /in/U7OoZ on line 72 Fatal error: Uncaught DivisionByZeroError: Division by zero in /in/U7OoZ:77 Stack trace: #0 /in/U7OoZ(66): isarr(Array, 21, 47.625, 0) #1 /in/U7OoZ(86): isarr(Array, 21, 3.5, 0) #2 {main} thrown in /in/U7OoZ on line 77
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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