How to modify the value in an array in php

How to modify the values ​​in the array in php: You can use a for loop to modify, such as [for($i = 0; $i < count(Array()); $i)]. It can also be modified through a foreach loop, such as [foreach($users as &$user)].

The two-dimensional array can be modified through for($i = 0; $i < count(Array()); $i).

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Code implementation:

// 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][&#39;name&#39;] = &#39;Getchar&#39;;
}
print_r($users);

Two-dimensional arrays can also be passed through foreach($users as &$user) modified.

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Code implementation:

// 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) {
	$user['name'] = 'Getchar';
}
unset($user);
// 销毁掉 user 引用
print_r($users);

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