Add some more platform related calls

refs #7163

library/Icinga/Application/Platform.php

@@ -30,6 +30,16 @@ class Platform
      */
     protected static $fqdn;
 
+    /**
+     * Return the operating system's name
+     *
+     * @return  string
+     */
+    public static function getOperatingSystemName()
+    {
+        return php_uname('s');
+    }
+
     /**
      * Test of windows
      *
@@ -37,7 +47,7 @@ class Platform
      */
     public static function isWindows()
     {
-        return strtoupper(substr(PHP_OS, 0, 3)) === 'WIN';
+        return strtoupper(substr(self::getOperatingSystemName(), 0, 3)) === 'WIN';
     }
 
     /**
@@ -47,7 +57,7 @@ class Platform
      */
     public static function isLinux()
     {
-        return strtoupper(substr(PHP_OS, 0, 5)) === 'LINUX';
+        return strtoupper(substr(self::getOperatingSystemName(), 0, 5)) === 'LINUX';
     }
 
     /**
@@ -120,6 +130,16 @@ class Platform
         }
     }
 
+    /**
+     * Return the version of PHP
+     *
+     * @return  string
+     */
+    public static function getPhpVersion()
+    {
+        return phpversion();
+    }
+
     /**
      * Test for php extension
      *
@@ -131,4 +151,32 @@ class Platform
     {
         return extension_loaded($extensionName);
     }
+
+    /**
+     * Return the value for the given PHP configuration option
+     *
+     * @param   string  $option     The option name for which to return the value
+     *
+     * @return  string|false
+     */
+    public static function getPhpConfig($option)
+    {
+        return ini_get($option);
+    }
+
+    /**
+     * Return whether the given Zend framework class exists
+     *
+     * @param   string  $name   The name of the class to check
+     *
+     * @return  bool
+     */
+    public static function zendClassExists($name)
+    {
+        if (class_exists($name)) {
+            return true;
+        }
+
+        return (@include str_replace('_', '/', $name) . '.php') !== false;
+    }
 }