NYCPHP Meetup

[justin]

function array_depth($el) {
    return is_array($el) ? max(array_map('array_depth', $el)) + 1 : 0;
}

var_dump(array_depth($array));


-- justin



On Fri, May 18, 2012 at 1:27 PM, Joey Derrico <joeyd473 at gmail.com> wrote:
> I am trying to count the number of dimensions in an array. I used my
> google-fu and came up with answers that don't actually work because I can
> have multi-dimensional array's where one int he middle is multi and the one
> after not. Below is my latest set of test code (I have been playing with it
> for hours (with varying results), none correct), It currently returns 15
> dimensions and should be returning 5
>
> <?php
> echo "\n";
> $test = new test();
>
> $array = array();
> $array[0] = '[0]';
> $array[1][0] = '[1][0]';
> $array[1][1] = '[1][1]';
> $array[2][0][0] = '[2][0][0]';
> $array[2][0][1] = '[2][0][1]';
> $array[2][1][0] = '[2][1][0]';
> $array[2][1][1] = '[2][1][1]';
> $array[3][0][0][0] = '[3][0][0][0]';
> $array[3][0][0][1] = '[3][0][0][1]';
> $array[3][1][0][0] = '[3][1][0][0]';
> $array[3][1][0][1] = '[3][1][0][1]';
> $array[3][1][1][0] = '[3][1][1][0]';
> $array[3][1][1][1] = '[3][1][1][1]';
> $array[4][0][0][0][0] = '[4][0][0][0][0]';
> $array[4][0][0][0][1] = '[4][0][0][0][1]';
> $array[4][1][0][0][0] = '[4][1][0][0][0]';
> $array[4][1][0][0][1] = '[4][1][0][0][1]';
> $array[4][1][1][0][0] = '[4][1][1][0][0]';
> $array[4][1][1][0][1] = '[4][1][1][0][1]';
> $array[4][1][1][1][0] = '[4][1][1][1][0]';
> $array[4][1][1][1][1] = '[4][0][0][0][1]';
> $array[5][0][0][0] = '[5][0][0][0]';
> $array[5][0][0][1] = '[5][0][0][1]';
> $array[5][1][0][0] = '[5][1][0][0]';
> $array[5][1][0][1] = '[5][1][0][1]';
> $array[5][1][1][0] = '[5][1][1][0]';
> $array[5][1][1][1] = '[5][1][1][1]';
> $array[6][0][0] = '[6][0][0]';
> $array[6][0][1] = '[6][0][1]';
> $array[6][1][0] = '[6][1][0]';
> $array[6][1][1] = '[6][1][1]';
> $array[7][0] = '[7][0]';
> $array[7][1] = '[7][1]';
> $array[8] = '[8]';
>
> echo 'The array has '.$test->countNumberOfDimensionsOfAnArray($array)."
> dimensions\n";
> //echo print_r($array,TRUE);
>
>
> class test
> {
>     public function isMultDimensionalArray($array)
>     {
>         $return = FALSE;
>
>         if(is_array($array)){
>             foreach($array as $value){
>                 if(is_array($value)){
>                     $return = TRUE;
>                 }
>             }
>         }
>         return $return;
>     }
>
>     public function countNumberOfDimensionsOfAnArray($array)
>     {
>         $dimensions = 0;
>
>         if(is_array($array)){
>             $dimensions++;
>             foreach($array as $key=>$value){
>                 if($this->isMultDimensionalArray($value)){
>                     $dimensions = $dimensions +
> $this->countNumberOfDimensionsOfAnArray($value);
>                 }
>             }
>         }
>         return $dimensions;
>     }
> }
> ?>
>
> Joey Derrico
>
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-- 
http://justinhileman.com