How to create a multi-dimensional array of each type of input letter instead of one big array [closed]

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I have code like this

$assoc = ['name','lastname','pesel'];
          $inputs = ['a', 'a', 'a', 'a', 'b', 'b', 'b', 'b',];
          $counter = 0;
          $internalcounter = 0;
          $zero = 0;
          $content = array();
          while ($counter < sizeof($inputs))
          {
              if($internalcounter == sizeof($assoc))
              {
                  $counter++;
                  $internalcounter = 0;
               
                  
              }
              else
              {
                  array_push($content, $inputs[$counter]);
                  $counter++;
                  $internalcounter++;
              }
          
           
          }
          var_dump($content);

It creates an array that looks like this:

array(6) { [0] => string(1) "a" [1] => string(1) "a" [2] => string(1) "a" [3] => string(1) "b" [4] => string(1) "b" [5] => string(1) "b" }

But I want to create a multi-dimensional array:

Array ( [0] => Array ( [0] => "a"  [1] => "a"  [2] => "a"  ) [1] => Array ( [0] => "b" [1] => "b" [2] => "b" )  )

How to add next array in $content?

What are your exact requirements? Do you want each sub-array to contain 3 values? Or only values of the same letter? — Tom Walters
– Tom Walters, Commented Mar 9, 2013 at 18:49
It's unclear how your code is outputting the array you say it's outputting, or how you expect it to output a multi-dimensional array with the same subset of inputs. You'll need to edit your question to include the code and/or business logic that specifies that, if you want an answer that actually works. — TylerH
– TylerH, Commented Jan 21 at 15:57

Jaspal Singh · Accepted Answer · 2013-03-09 20:07:41Z

2

Alternative solution :

$assoc = ['name', 'lastname', 'pesel'];
$inputs = ['a', 'a', 'a', 'a', 'b', 'b', 'b', 'b'];
$content = array();
$i = 0;
foreach ($inputs as $key => $val) {
    $key += 1;
    if (($key < (sizeof($inputs)))) {
        if (($key % (sizeof($assoc) + 1) == 0)) {
            $content[++$i] = array();
        } else {
            $content[$i][] = $val;
        }
    }
}
var_dump($content);

answered Mar 9, 2013 at 20:07

Jaspal Singh

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ozahorulia · Accepted Answer · 2013-03-09 19:04:29Z

0

<?php

$assoc = ['name','lastname','pesel'];
$inputs = ['a', 'a', 'a', 'a', 'b', 'b', 'b', 'b'];
$counter = 0;
$internalcounter = 0;
$zero = 0;
$arrayIndex = 0;
$content = array();
$content[$arrayIndex] = array();

while ($counter < sizeof($inputs))
{
    if ($internalcounter == sizeof($assoc))
    {
        $counter++;
        $internalcounter = 0;

        if ($counter < sizeof($inputs))
            $content[++$arrayIndex] = array();
    }
    else
    {
        array_push($content[$arrayIndex], $inputs[$counter]);
        $counter++;
        $internalcounter++;
    }
}
var_dump($content);

answered Mar 9, 2013 at 19:04

ozahorulia

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1 Comment

Jaspal Singh Over a year ago

your solution gives an additional empty array at the end.

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