How to modify array value in php

php method to modify the array value: 1. Modify through statements, the code is [for($i = 0; $i < count(Array()); $i)]; 2. Two-dimensional array Implemented through the function foreach, the code is [foreach($users as &$user)].

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How to modify the array value in php:

①. The two-dimensional array can be modified by for($i = 0; $i < count(Array()); $ i) Modify the

example code in this form:

// 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);

②, the two-dimensional array can also be passed foreach($users as &$user) Form modification

Example code

// 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);

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