How can the code be modified to handle multiple activation codes instead of just one specific code?

To handle multiple activation codes instead of just one specific code, you can modify the code to store the valid activation codes in an array and check if the provided code matches any of the codes in the array. This way, the system can validate multiple codes for activation. 

<?php
// Array of valid activation codes
$valid_activation_codes = ['code1', 'code2', 'code3'];

// Check if the provided activation code is in the array of valid codes
$provided_code = $_POST['activation_code']; // Assuming the activation code is submitted via POST
if (in_array($provided_code, $valid_activation_codes)) {
    // Code is valid, proceed with activation
    echo "Activation successful!";
} else {
    // Code is not valid
    echo "Invalid activation code!";
}
?>

Keywords

PHP activation codes modification multiple handling

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