78 lines
2.0 KiB
PHP
78 lines
2.0 KiB
PHP
<?php
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class Database
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{
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private $connection;
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/**
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* Database constructor.
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*
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* Baut die Verbindung zur Datenbank auf
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*/
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public function __construct()
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{
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// MySQL-Zugangsdaten
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// Hier: Automatisch auslesen aus .my.cnf. Sonst einfach von Hand eintragen
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$user = get_current_user(); // Benutzer, dem diese Datei gehört!
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$myCnf = parse_ini_file("/home/$user/.my.cnf");
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$host = $myCnf['host'];
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$user = $myCnf['user'];
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$password = $myCnf['password'];
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$database = $myCnf['database'];
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$this->connection = new mysqli($host, $user, $password, $database);
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}
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/**
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* Schließt die Verbindung zru Datenbank
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*/
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public function __destruct()
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{
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$this->connection->close();
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}
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public function addQuestion($question, $answer0, $answer1, $answer2, $solution)
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{
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$statement = $this->connection->prepare("INSERT INTO questions(question, answer0, answer1, answer2, solution) VALUES(?, ?, ?, ?, ?)");
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$statement->bind_param("s", $question);
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$statement->bind_param("s", $answer0);
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$statement->bind_param("s", $answer1);
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$statement->bind_param("s", $answer2);
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$statement->bind_param("i", $solution);
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return $statement->execute();
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}
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/**
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* Löscht den Taks mit der ID $id aus der Tabelle tasks
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*
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* @param int $id
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* @return bool, falls Löschen erfolgreich
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*/
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public function deleteTask($id)
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{
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$statement = $this->connection->prepare("DELETE FROM tasks WHERE id = ?");
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$statement->bind_param("i", $id);
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return $statement->execute();
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}
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public function getQuestions()
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{
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$result = $this->connection->query("SELECT * FROM questions");
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$resultArray = [];
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while ($line = $result->fetch_assoc()) {
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array_push($resultArray, $line);
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}
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$result->free();
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return $resultArray;
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}
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}
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