About the Verify captcha function

captcha-script-part-1.php

<?php

//Call the function
verifyCaptcha($_POST['user_answer']);

//Output 1
$return = [
'captcha_status' => 200,
'captcha_message' => 'Captcha Verified'
];

//Output 2
$return = [
'captcha_status' => 400,
'captcha_message' => 'Captcha Verification failed'
];

//Output 3
$return = [
'captcha_status' => 407,
'captcha_message' => 'Captcha Expired'
];

//Output 4
$return = [
'captcha_status' => 500,
'captcha_message' => 'Session Invalid'
];
?>