PHP Decode

<?  $tmp = explode( ", ", ", , , , , , ,  , , "); 
    $arResult = []; 
    foreach($tmp as $key => $value){ 
	    $arResult["ITEMS"][$key] = ["NAME" => $value]; 
        } 
 
    $arResult['templateGrid'] = explode(',','2,1,2,1,1,1,2,1,1,2'); 
    $arClassMapNew = [ 
	    1 => [ 
		    'big-grid__item-one-center-new' 
	    ], 
 
	    2 => [ 
		    'big-grid__item-two-center-left-new', 
		    'big-grid__item-two-center-right-new', 
	    ], 
 
	    3 => [ 
		    'big-grid__item-three-left', 
		    'big-grid__item-three-center', 
		    'big-grid__item-three-right', 
	    ], 
 
	    4 => [ 
		    'big-grid__item-four-one', 
		    'big-grid__item-four-two', 
		    'big-grid__item-four-three', 
		    'big-grid__item-four-four', 
	    ] 
    ]; 
 
    $itemPosition = 0; 
 
    foreach ($arResult['templateGrid'] as $keyGrid => $itemGrid) 
    { 
 
	    if(!isset($arResult['ITEMS'][$itemPosition])) 
	    { 
		    continue; 
	    } 
 
	    for($i = 0; $i < $itemGrid; ++$i) 
	    { 
		    $gridsClass = $arClassMapNew[$itemGrid]; 
 
		    $arResult['ITEMS'][$itemPosition]['NAME_CLASS'] = $gridsClass[$i]; 
 
		    ++$itemPosition; 
	    } 
    } 
 
    echo '<pre>'; 
    print_r($arResult); 
    echo '</pre>'; 
 
    die(); ?>