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<;?php
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// login_check.php
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function is_logged_in () {
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if (!($_SESSION["id"]) || ($_SESSION["id"] == "")) {
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Header("Location: ./login.php");
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exit();
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}
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}
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function check_login ($forms) {
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$error = "";
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$username = $forms["username"];
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$password = $forms["password"];
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if (trim($username) == "") $error .= "
Your username is empty.";
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if (trim($password) == "") $error .= "Your password is empty.";
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/* from here, do your sql query to query the database to search for existing
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record with correct username and password */
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if (trim($error)!="") return $error;
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}
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function set_session_value ($forms) {
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$username = $forms["username"];
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$password = $forms["password"];
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/* do your sql query again, but now returning the id of member */
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return $id;
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}
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?>