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<?php

// Set up databank connection
require_once '../../php/DBconfig.php';

// Define variables and initialize with empty values
$fields = array("username","password","confirm_password","firstname","lastname","email","confirm_email","birthday","gender");
$params = array();
$param_errs = array();
$param_valid = array();
foreach ($fields as &$v1) {
    $params[$v1] = "";
    $param_errs[$v1] = "";
    $param_valid[$v1] = FALSE;
}

// Processing form data when form is submitted
if($_SERVER["REQUEST_METHOD"] == "POST") {

    foreach ($fields as &$v1) {
        echo $v1;
        $params[$v1] = trim($_POST[$v1]);
    }

    // -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-
    $validateUsername = function ($params, $param_errs, $param_valid, $link /*DB*/) {
        /*validates if the entered username is valid (by calling $params["username"],
          if not valid, put error message in $param_errs["username"],
          if valid, $param_valid["username"] = True; */
    };
    $validatePassword = function ($params, $param_errs, $param_valid) {
        //checks if the entered password is valid
    };
    $validateConfirmPassword = function ($params, $param_errs, $param_valid) {
        //checks if the entered password matches the first one
    };

    $validator = array(
        "username" => $validateUsername,
        "password" => $validatePassword,
        "confirm_password" => $validateConfirmPassword
    );
    // -*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-

    // validates all fields
    foreach ($fields as &$v1) {
        $validator[$v1]($params, $param_errs, $param_valid, $link);
    }

    // Check input errors before inserting in database
    if (!in_array(False, $param_valid)) {
        // registers new user
    }
}
?>


<!DOCTYPE html>
<html lang="en">
    <head>
        <!-- left out this code -->
    </head>

    <body>
        <!-- left out this code, register form is here -->
    </body>

</html>