library/Msd/Version.php

@@ -0,0 +1,119 @@
+<?php
+/**
+ * This file is part of MySQLDumper released under the GNU/GPL 2 license
+ * http://www.mysqldumper.net
+ *
+ * @package         MySQLDumper
+ * @subpackage      Version
+ * @version         SVN: $Rev$
+ * @author          $Author$
+ */
+/**
+ * Show MySQLDumper's version number
+ *
+ * @package         MySQLDumper
+ * @subpackage      Version
+ */
+class Msd_Version
+{
+    /**
+     * Current application version
+     * @var string
+     */
+    private $_msdVersion = '2.0.0';
+
+    /**
+     * Minimum version of PHP which is required.
+     *
+     * @var string
+     */
+    private $_requiredPhpVersion = '5.2.0';
+
+    /**
+     * Minimum version of MySQL which is required.
+     *
+     * @var string
+     */
+    private $_requiredMysqlVersion = '4.1.2';
+
+    /**
+     * Constructor
+     *
+     * @param array $options Option-array to overwrite required PHP/MySQL
+     *                       versions
+     *
+     * @return void
+     */
+    public function __construct($options = array())
+    {
+        if (isset($options['requiredPhpVersion'])) {
+            $this->_requiredPhpVersion = $options['requiredPhpVersion'];
+        }
+
+        if (isset($options['requiredMysqlVersion'])) {
+            $this->_requiredMysqlVersion = $options['requiredMysqlVersion'];
+        }
+    }
+
+    /**
+     * Get actual MySQLDumper version
+     *
+     * @return string The version number of MySQLDumper
+     */
+    public function getMsdVersion()
+    {
+        return $this->_msdVersion;
+    }
+
+    /**
+     * Get required PHP version
+     *
+     * @return string The required version number of PHP
+     */
+    public function getRequiredPhpVersion()
+    {
+        return $this->_requiredPhpVersion;
+    }
+    /**
+     * Get required MySQL version
+     *
+     * @return string The required version number of MySQL
+     */
+    public function getRequiredMysqlVersion()
+    {
+        return $this->_requiredMysqlVersion;
+    }
+
+    /**
+     * Checks for required PHP version.
+     *
+     * @return boolean
+     */
+    public function checkPhpVersion()
+    {
+        $res = version_compare(PHP_VERSION, $this->_requiredPhpVersion);
+        if ($res >= 0) {
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Checks for required MySQL version.
+     *
+     * @return boolean
+     */
+    public function checkMysqlVersion()
+    {
+        $dbObject = Msd_Db::getAdapter();
+        $mysqlVersion = $dbObject->getServerInfo();
+        $res = version_compare(
+            $mysqlVersion,
+            $this->_requiredMysqlVersion
+        );
+        if ($res >= 0) {
+            return true;
+        }
+        return false;
+    }
+}