$shop = array(
0=>array(0=>1,1=>2,2=>3,3=>4)
,1=>array(0=>1,1=>2,2=>3)
,2=>array(0=>1,1=>2,2=>3)
);
foreach($shop as $key=>$shoplist){
$index = count($shoplist);
$shoplist[$index] = '4444444444444';
$shoplist['we'] = '欢迎光临脚本之家';
$shop[$key]=$shoplist;
}
print_r($shop);
