How can the use of Superglobals like $_POST improve code security and efficiency in PHP?

Using Superglobals like $_POST can improve code security by separating user input from the rest of the code, reducing the risk of SQL injection and other security vulnerabilities. It can also improve efficiency by providing a convenient way to access form data without the need for manual data parsing. 

$username = $_POST['username'];
$password = $_POST['password'];

// Use $username and $password in your code securely

Keywords

Superglobals $_POST code security efficiency PHP

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