Übernahme der Datein für weitere Bearbeitung

2021-12-05 13:56:23 +01:00 · 2021-12-05 13:56:23 +01:00 · 9cd7882eb7
commit 9cd7882eb7
parent 7402018df0
12 changed files with 66156 additions and 0 deletions
--- a/class/DBClass.php
+++ b/class/DBClass.php
@ -0,0 +1,90 @@
+<!DOCTYPE html>
+<?php
+/*
+ * Copyright (C) 2018 Christian Brüggen
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/**
+ * Stellt eine Verbindung zu einer DB bereit
+ *
+ * @author Christian Brüggen
+ */
+class DBClass extends stdClass
+{
+
+    /**
+     * Zeiger auf die DB
+     * @var PDO
+     */
+    private $pdo = null;
+
+    /**
+     * Das Abgrage-Statement
+     * @var PDOStatement
+     */
+    private $stmt = null;
+
+    /**
+     * Verbindet mit Server und DB
+     * @param string $dbname Name der Datenbank
+     * @param string $user Benutzername
+     * @param string $passwort Passwort des Benutzers
+     * @param string $host Adresse des Datenbankservers
+     */
+    public function __construct($dbname, $user, $passwort, $host)
+    {
+        try {
+            $this->pdo = new PDO('mysql:host=' . $host . ';dbname=' . $dbname, $user, $passwort);
+        } catch (PDOException $e) {
+            echo $e->getMessage();
+        }
+    }
+
+    /**
+     * Führt eine SQL-Anweisung ohne Rückgabe eines Datensatzes aus
+     * @param string $querystring
+     * @param array $params
+     * @return boolean
+     */
+    public function query($querystring, array $params = array())
+    {
+        try {
+            $this->stmt = $this->pdo->prepare($querystring);
+            return $this->stmt->execute($params);
+        } catch (PDOException $ex) {
+            $this->stmt = null;
+        } catch (Exception $ex) {
+            $this->stmt = null;
+        }
+        return false;
+    }
+
+    /**
+     * Führt eine SQL-Anweisung mit Rückgabe eines Datensatzes aus
+     * @param string $querystring
+     * @param array $params
+     * @return array
+     */
+    public function select($querystring, array $params = array())
+    {
+        if ($this->query($querystring, $params)) {
+            return $this->stmt->fetchAll();
+        } else {
+            return array();
+        }
+    }
+
+}