build multidimensional array from string php

Question

EDIT: Here is a portion of $preparedstring:

555555,Jones,Brian,NYC,1000,2011-10-21 00:00:00,Check,1542,0, ,Check, ,0, ,Check, ,; 666666

Answer 1

$outerARR = explode(";", $preparedstring);
$a = array();
$y=0;
foreach ($outerARR as $arrvalue){
    $x=0;
    $innerarr = explode(",", $arrvalue);
    foreach($innerarr as $v){
        $a[$y][$x++] = $v;
    }
    $y++;
}
print_r($a);



Array
(
    [0] => Array
        (
            [0] => 555555
            [1] => Jones
            [2] => Brian
            [3] => NYC
            [4] => 1000
            [5] => 2011-10-21 00:00:00
            [6] => Check
            [7] => 1542
            [8] => 0
            [9] =>  
            [10] => Check
            [11] =>  
            [12] => 0
            [13] =>  
            [14] => Check
            [15] =>  
            [16] => 
        )

    [1] => Array
        (
            [0] =>  6666666
            [1] => Miler
            [2] => Christopher
            [3] => Chicago
            [4] => 1000
            [5] => 2011-10-26 00:00:00
            [6] => Check
            [7] => 6406
            [8] => 0
            [9] =>  
            [10] => Check
            [11] =>  
            [12] => 0
            [13] =>  
            [14] => Check
            [15] =>  
            [16] => 
        )

)