php change value array code example

Example 1: how to replace array key php

function array_replace_key($search, $replace, array $subject) {
    $updatedArray = [];

    foreach ($subject as $key => $value) {
        if (!is_array($value) && $key == $search) {
            $updatedArray = array_merge($updatedArray, [$replace => $value]);
            
            continue;
        }

        $updatedArray = array_merge($updatedArray, [$key => $value]);
    }

    return $updatedArray;
}

$user = ['name' => 'Donald Pakkies', 'age' => 22];

var_dump(array_replace_key('name', 'full_name', $user));

Example 2: how to re assign value of associative array after assign in php

$employee = [
	"bill" => 25,
    "steve" => 36,
    "alice"=>44
];

$employee["alice"] = 48;
$employee["musk"] = 42;//to add 
echo "<pre>";
print_r ($employee);
echo "</pre>";