案例如下：
$goods[0]['name'] = 'qimh';
$goods[0]['type'] = 'people';$goods[2]['name'] = 'qimh2';
$goods[2]['type'] = 'people2';
数组索引非连续结果：
print_r($goods);
Array( [0] => Array ( [name] => qimh [type] => people ) [2] => Array ( [name] => qimh2 [type] => people2 ))
数组索引连续结果：
print_r(array_values($goods));
Array( [0] => Array ( [name] => qimh [type] => people ) [1] => Array ( [name] => qimh2 [type] => people2 ))
参考链接：