php怎么样修改数组值

// 修改 二维数组中的 name为 Getchar
$users = array(
 array(‘name‘ => ‘GetcharZp‘, ‘age‘ => 19),
 array(‘name‘ => ‘Mcx‘, ‘age‘ => 18)
);
for ($i = 0; $i < count($users); ++ $i) {
 $users[$i][‘name‘] = ‘Getchar‘;
}
print_r($users);

// 修改 二维数组中的 name为 Getchar
$users = array(
 array(‘name‘ => ‘GetcharZp‘, ‘age‘ => 19),
 array(‘name‘ => ‘Mcx‘, ‘age‘ => 18)
);
foreach ($users as &$user) {
 $user[‘name‘] = ‘Getchar‘;
}
print_r($users);