diff --git a/lib/filesystem.php b/lib/filesystem.php
index bc30dac7fa1d16c8d0d0e3af9d450829654af048..3b6772c984903186e1658a0cd4fd7dc968481adf 100644
--- a/lib/filesystem.php
+++ b/lib/filesystem.php
@@ -148,21 +148,21 @@ class OC_Filesystem{
 	  * @return string
 	 */
 	static public function getMountPoint($path) {
-		OC_Hook::emit(self::CLASSNAME,'get_mountpoint', array('path'=>$path));
+		OC_Hook::emit(self::CLASSNAME, 'get_mountpoint', array('path'=>$path));
 		if(!$path) {
 			$path='/';
 		}
 		if($path[0]!=='/') {
 			$path='/'.$path;
 		}
-		$path=str_replace('//', '/',$path);
+		$path=str_replace('//', '/', $path);
 		$foundMountPoint='';
 		$mountPoints=array_keys(OC_Filesystem::$mounts);
 		foreach($mountPoints as $mountpoint) {
 			if($mountpoint==$path) {
 				return $mountpoint;
 			}
-			if(strpos($path,$mountpoint)===0 and strlen($mountpoint)>strlen($foundMountPoint)) {
+			if(strpos($path, $mountpoint)===0 and strlen($mountpoint)>strlen($foundMountPoint)) {
 				$foundMountPoint=$mountpoint;
 			}
 		}
@@ -202,7 +202,7 @@ class OC_Filesystem{
 		if($mountpoint) {
 			if(!isset(OC_Filesystem::$storages[$mountpoint])) {
 				$mount=OC_Filesystem::$mounts[$mountpoint];
-				OC_Filesystem::$storages[$mountpoint]=OC_Filesystem::createStorage($mount['class'],$mount['arguments']);
+				OC_Filesystem::$storages[$mountpoint]=OC_Filesystem::createStorage($mount['class'], $mount['arguments']);
 			}
 			return OC_Filesystem::$storages[$mountpoint];
 		}
@@ -213,19 +213,19 @@ class OC_Filesystem{
 			$mountConfig=include OC::$SERVERROOT.'/config/mount.php';
 			if(isset($mountConfig['global'])) {
 				foreach($mountConfig['global'] as $mountPoint=>$options) {
-					self::mount($options['class'],$options['options'],$mountPoint);
+					self::mount($options['class'], $options['options'], $mountPoint);
 				}
 			}
 		
 			if(isset($mountConfig['group'])) {
 				foreach($mountConfig['group'] as $group=>$mounts) {
-					if(OC_Group::inGroup($user,$group)) {
+					if(OC_Group::inGroup($user, $group)) {
 						foreach($mounts as $mountPoint=>$options) {
 							$mountPoint=self::setUserVars($mountPoint, $user);
 							foreach($options as &$option) {
 								$option=self::setUserVars($option, $user);
 							}
-							self::mount($options['class'],$options['options'],$mountPoint);
+							self::mount($options['class'], $options['options'], $mountPoint);
 						}
 					}
 				}
@@ -239,7 +239,7 @@ class OC_Filesystem{
 							foreach($options as &$option) {
 								$option=self::setUserVars($option, $user);
 							}
-							self::mount($options['class'],$options['options'],$mountPoint);
+							self::mount($options['class'], $options['options'], $mountPoint);
 						}
 					}
 				}
@@ -249,7 +249,7 @@ class OC_Filesystem{
 			$previousMTime=OC_Appconfig::getValue('files','mountconfigmtime',0);
 			if($mtime>$previousMTime) {//mount config has changed, filecache needs to be updated
 				OC_FileCache::triggerUpdate();
-				OC_Appconfig::setValue('files','mountconfigmtime',$mtime);
+				OC_Appconfig::setValue('files', 'mountconfigmtime', $mtime);
 			}
 		}		
 	}
@@ -276,9 +276,9 @@ class OC_Filesystem{
 	 */
 	private static function setUserVars($input, $user) {
 		if (isset($user)) {
-			return str_replace('$user', $user,$input);
+			return str_replace('$user', $user, $input);
 		} else {
-			return str_replace('$user',OC_User::getUser(),$input);
+			return str_replace('$user', OC_User::getUser(), $input);
 		}
 	}
 
@@ -353,7 +353,7 @@ class OC_Filesystem{
 		if($mountpoint[0]!='/') {
 			$mountpoint='/'.$mountpoint;
 		}
-		if(substr($mountpoint,-1)!=='/') {
+		if(substr($mountpoint, -1)!=='/') {
 			$mountpoint=$mountpoint.'/';
 		}
 		self::$mounts[$mountpoint]=array('class'=>$class,'arguments'=>$arguments);
@@ -399,7 +399,7 @@ class OC_Filesystem{
 		if(!$path || $path[0]!=='/') {
 			$path='/'.$path;
 		}
-		if(strstr($path,'/../') || strrchr($path, '/') === '/..' ) {
+		if(strstr($path, '/../') || strrchr($path, '/') === '/..' ) {
 			return false;
 		}
 		return true;
@@ -501,32 +501,32 @@ class OC_Filesystem{
 		return self::$defaultInstance->file_get_contents($path);
 	}
 	static public function file_put_contents($path,$data) {
-		return self::$defaultInstance->file_put_contents($path,$data);
+		return self::$defaultInstance->file_put_contents($path, $data);
 	}
 	static public function unlink($path) {
 		return self::$defaultInstance->unlink($path);
 	}
 	static public function rename($path1,$path2) {
-		return self::$defaultInstance->rename($path1,$path2);
+		return self::$defaultInstance->rename($path1, $path2);
 	}
 	static public function copy($path1,$path2) {
-		return self::$defaultInstance->copy($path1,$path2);
+		return self::$defaultInstance->copy($path1, $path2);
 	}
 	static public function fopen($path,$mode) {
-		return self::$defaultInstance->fopen($path,$mode);
+		return self::$defaultInstance->fopen($path, $mode);
 	}
 	static public function toTmpFile($path) {
 		return self::$defaultInstance->toTmpFile($path);
 	}
 	static public function fromTmpFile($tmpFile,$path) {
-		return self::$defaultInstance->fromTmpFile($tmpFile,$path);
+		return self::$defaultInstance->fromTmpFile($tmpFile, $path);
 	}
 
 	static public function getMimeType($path) {
 		return self::$defaultInstance->getMimeType($path);
 	}
 	static public function hash($type,$path, $raw = false) {
-		return self::$defaultInstance->hash($type,$path, $raw);
+		return self::$defaultInstance->hash($type, $path, $raw);
 	}
 
 	static public function free_space($path='/') {
@@ -543,7 +543,7 @@ class OC_Filesystem{
 	 * @return bool
 	 */
 	static public function hasUpdated($path,$time) {
-		return self::$defaultInstance->hasUpdated($path,$time);
+		return self::$defaultInstance->hasUpdated($path, $time);
 	}
 
 	static public function removeETagHook($params, $root = false) {
@@ -574,18 +574,18 @@ class OC_Filesystem{
 			return '/';
 		}
 		//no windows style slashes
-		$path=str_replace('\\','/',$path);
+		$path=str_replace('\\', '/', $path);
 		//add leading slash
 		if($path[0]!=='/') {
 			$path='/'.$path;
 		}
 		//remove trainling slash
-		if($stripTrailingSlash and strlen($path)>1 and substr($path,-1,1)==='/') {
-			$path=substr($path,0,-1);
+		if($stripTrailingSlash and strlen($path)>1 and substr($path, -1, 1)==='/') {
+			$path=substr($path, 0, -1);
 		}
 		//remove duplicate slashes
 		while(strpos($path,'//')!==false) {
-			$path=str_replace('//','/',$path);
+			$path=str_replace('//', '/', $path);
 		}
 		//normalize unicode if possible
 		if(class_exists('Normalizer')) {
@@ -594,9 +594,9 @@ class OC_Filesystem{
 		return $path;
 	}
 }
-OC_Hook::connect('OC_Filesystem','post_write', 'OC_Filesystem','removeETagHook');
-OC_Hook::connect('OC_Filesystem','post_delete','OC_Filesystem','removeETagHook');
-OC_Hook::connect('OC_Filesystem','post_rename','OC_Filesystem','removeETagHook');
+OC_Hook::connect('OC_Filesystem', 'post_write',  'OC_Filesystem', 'removeETagHook');
+OC_Hook::connect('OC_Filesystem', 'post_delete', 'OC_Filesystem', 'removeETagHook');
+OC_Hook::connect('OC_Filesystem', 'post_rename', 'OC_Filesystem', 'removeETagHook');
 
 OC_Util::setupFS();
 require_once 'filecache.php';
diff --git a/lib/image.php b/lib/image.php
index 016d20599b252e45ac4499f33301ff054fe0e05f..13460a13eb50fb8d5d59bcf7cf4860a01b9a6584 100644
--- a/lib/image.php
+++ b/lib/image.php
@@ -66,7 +66,7 @@ class OC_Image {
 	public function __construct($imageref = null) {
 		//OC_Log::write('core',__METHOD__.'(): start', OC_Log::DEBUG);
 		if(!extension_loaded('gd') || !function_exists('gd_info')) {
-			OC_Log::write('core',__METHOD__.'(): GD module not installed', OC_Log::ERROR);
+			OC_Log::write('core', __METHOD__.'(): GD module not installed', OC_Log::ERROR);
 			return false;
 		}
 		if(!is_null($imageref)) {
@@ -112,7 +112,7 @@ class OC_Image {
 	*/
 	public function widthTopLeft() {
 		$o = $this->getOrientation();
-		OC_Log::write('core','OC_Image->widthTopLeft() Orientation: '.$o, OC_Log::DEBUG);
+		OC_Log::write('core', 'OC_Image->widthTopLeft() Orientation: '.$o, OC_Log::DEBUG);
 		switch($o) {
 			case -1:
 			case 1:
@@ -137,7 +137,7 @@ class OC_Image {
 	*/
 	public function heightTopLeft() {
 		$o = $this->getOrientation();
-		OC_Log::write('core','OC_Image->heightTopLeft() Orientation: '.$o, OC_Log::DEBUG);
+		OC_Log::write('core', 'OC_Image->heightTopLeft() Orientation: '.$o, OC_Log::DEBUG);
 		switch($o) {
 			case -1:
 			case 1:
@@ -172,7 +172,7 @@ class OC_Image {
 
 	public function save($filepath=null) {
 		if($filepath === null && $this->filepath === null) {
-			OC_Log::write('core',__METHOD__.'(): called with no path.', OC_Log::ERROR);
+			OC_Log::write('core', __METHOD__.'(): called with no path.', OC_Log::ERROR);
 			return false;
 		} elseif($filepath === null && $this->filepath !== null) {
 			$filepath = $this->filepath;
@@ -188,10 +188,10 @@ class OC_Image {
 			if (!file_exists(dirname($filepath)))
 				mkdir(dirname($filepath), 0777, true);
 			if(!is_writable(dirname($filepath))) {
-				OC_Log::write('core',__METHOD__.'(): Directory \''.dirname($filepath).'\' is not writable.', OC_Log::ERROR);
+				OC_Log::write('core', __METHOD__.'(): Directory \''.dirname($filepath).'\' is not writable.', OC_Log::ERROR);
 				return false;
 			} elseif(is_writable(dirname($filepath)) && file_exists($filepath) && !is_writable($filepath)) {
-				OC_Log::write('core',__METHOD__.'(): File \''.$filepath.'\' is not writable.', OC_Log::ERROR);
+				OC_Log::write('core', __METHOD__.'(): File \''.$filepath.'\' is not writable.', OC_Log::ERROR);
 				return false;
 			}
 		}
@@ -291,7 +291,7 @@ class OC_Image {
 	*/
 	public function fixOrientation() {
 		$o = $this->getOrientation();
-		OC_Log::write('core','OC_Image->fixOrientation() Orientation: '.$o, OC_Log::DEBUG);
+		OC_Log::write('core', 'OC_Image->fixOrientation() Orientation: '.$o, OC_Log::DEBUG);
 		$rotate = 0;
 		$flip = false;
 		switch($o) {
@@ -341,15 +341,15 @@ class OC_Image {
 						$this->resource = $res;
 						return true;
 					} else {
-						OC_Log::write('core','OC_Image->fixOrientation() Error during alphasaving.', OC_Log::DEBUG);
+						OC_Log::write('core', 'OC_Image->fixOrientation() Error during alphasaving.', OC_Log::DEBUG);
 						return false;
 					}
 				} else {
-					OC_Log::write('core','OC_Image->fixOrientation() Error during alphablending.', OC_Log::DEBUG);
+					OC_Log::write('core', 'OC_Image->fixOrientation() Error during alphablending.', OC_Log::DEBUG);
 					return false;
 				}
 			} else {
-				OC_Log::write('core','OC_Image->fixOrientation() Error during oriention fixing.', OC_Log::DEBUG);
+				OC_Log::write('core', 'OC_Image->fixOrientation() Error during oriention fixing.', OC_Log::DEBUG);
 				return false;
 			}
 		}
@@ -365,7 +365,7 @@ class OC_Image {
 			if(get_resource_type($imageref) == 'gd') {
 				$this->resource = $imageref;
 				return $this->resource;
-			} elseif(in_array(get_resource_type($imageref), array('file','stream'))) {
+			} elseif(in_array(get_resource_type($imageref), array('file', 'stream'))) {
 				return $this->loadFromFileHandle($imageref);
 			}
 		} elseif($this->loadFromFile($imageref) !== false) {
@@ -375,7 +375,7 @@ class OC_Image {
 		} elseif($this->loadFromData($imageref) !== false) {
 			return $this->resource;
 		} else {
-			OC_Log::write('core',__METHOD__.'(): couldn\'t load anything. Giving up!', OC_Log::DEBUG);
+			OC_Log::write('core', __METHOD__.'(): couldn\'t load anything. Giving up!', OC_Log::DEBUG);
 			return false;
 		}
 	}
@@ -387,7 +387,7 @@ class OC_Image {
 	* @returns An image resource or false on error
 	*/
 	public function loadFromFileHandle($handle) {
-		OC_Log::write('core',__METHOD__.'(): Trying', OC_Log::DEBUG);
+		OC_Log::write('core', __METHOD__.'(): Trying', OC_Log::DEBUG);
 		$contents = stream_get_contents($handle);
 		if($this->loadFromData($contents)) {
 			return $this->resource;
@@ -402,7 +402,7 @@ class OC_Image {
 	public function loadFromFile($imagepath=false) {
 		if(!is_file($imagepath) || !file_exists($imagepath) || !is_readable($imagepath)) {
 			// Debug output disabled because this method is tried before loadFromBase64?
-			OC_Log::write('core','OC_Image->loadFromFile, couldn\'t load: '.ellipsis($imagepath, 50), OC_Log::DEBUG);
+			OC_Log::write('core', 'OC_Image->loadFromFile, couldn\'t load: '.ellipsis($imagepath, 50), OC_Log::DEBUG);
 			return false;
 		}
 		$itype = exif_imagetype($imagepath);
@@ -411,28 +411,28 @@ class OC_Image {
 				if (imagetypes() & IMG_GIF) {
 					$this->resource = imagecreatefromgif($imagepath);
 				} else {
-					OC_Log::write('core','OC_Image->loadFromFile, GIF images not supported: '.$imagepath, OC_Log::DEBUG);
+					OC_Log::write('core', 'OC_Image->loadFromFile, GIF images not supported: '.$imagepath, OC_Log::DEBUG);
 				}
 				break;
 			case IMAGETYPE_JPEG:
 				if (imagetypes() & IMG_JPG) {
 					$this->resource = imagecreatefromjpeg($imagepath);
 				} else {
-					OC_Log::write('core','OC_Image->loadFromFile, JPG images not supported: '.$imagepath, OC_Log::DEBUG);
+					OC_Log::write('core', 'OC_Image->loadFromFile, JPG images not supported: '.$imagepath, OC_Log::DEBUG);
 				}
 				break;
 			case IMAGETYPE_PNG:
 				if (imagetypes() & IMG_PNG) {
 					$this->resource = imagecreatefrompng($imagepath);
 				} else {
-					OC_Log::write('core','OC_Image->loadFromFile, PNG images not supported: '.$imagepath, OC_Log::DEBUG);
+					OC_Log::write('core', 'OC_Image->loadFromFile, PNG images not supported: '.$imagepath, OC_Log::DEBUG);
 				}
 				break;
 			case IMAGETYPE_XBM:
 				if (imagetypes() & IMG_XPM) {
 					$this->resource = imagecreatefromxbm($imagepath);
 				} else {
-					OC_Log::write('core','OC_Image->loadFromFile, XBM/XPM images not supported: '.$imagepath, OC_Log::DEBUG);
+					OC_Log::write('core', 'OC_Image->loadFromFile, XBM/XPM images not supported: '.$imagepath, OC_Log::DEBUG);
 				}
 				break;
 			case IMAGETYPE_WBMP:
@@ -440,7 +440,7 @@ class OC_Image {
 				if (imagetypes() & IMG_WBMP) {
 					$this->resource = imagecreatefromwbmp($imagepath);
 				} else {
-					OC_Log::write('core','OC_Image->loadFromFile, (W)BMP images not supported: '.$imagepath, OC_Log::DEBUG);
+					OC_Log::write('core', 'OC_Image->loadFromFile, (W)BMP images not supported: '.$imagepath, OC_Log::DEBUG);
 				}
 				break;
 			/*
@@ -472,7 +472,7 @@ class OC_Image {
 				// this is mostly file created from encrypted file
 				$this->resource = imagecreatefromstring(\OC_Filesystem::file_get_contents(\OC_Filesystem::getLocalPath($imagepath)));
 				$itype = IMAGETYPE_PNG;
-				OC_Log::write('core','OC_Image->loadFromFile, Default', OC_Log::DEBUG);
+				OC_Log::write('core', 'OC_Image->loadFromFile, Default', OC_Log::DEBUG);
 				break;
 		}
 		if($this->valid()) {
@@ -493,7 +493,7 @@ class OC_Image {
 		}
 		$this->resource = @imagecreatefromstring($str);
 		if(!$this->resource) {
-			OC_Log::write('core','OC_Image->loadFromData, couldn\'t load', OC_Log::DEBUG);
+			OC_Log::write('core', 'OC_Image->loadFromData, couldn\'t load', OC_Log::DEBUG);
 			return false;
 		}
 		return $this->resource;
@@ -512,7 +512,7 @@ class OC_Image {
 		if($data) { // try to load from string data
 			$this->resource = @imagecreatefromstring($data);
 			if(!$this->resource) {
-				OC_Log::write('core','OC_Image->loadFromBase64, couldn\'t load', OC_Log::DEBUG);
+				OC_Log::write('core', 'OC_Image->loadFromBase64, couldn\'t load', OC_Log::DEBUG);
 				return false;
 			}
 			return $this->resource;
@@ -528,7 +528,7 @@ class OC_Image {
 	*/
 	public function resize($maxsize) {
 		if(!$this->valid()) {
-			OC_Log::write('core',__METHOD__.'(): No image loaded', OC_Log::ERROR);
+			OC_Log::write('core', __METHOD__.'(): No image loaded', OC_Log::ERROR);
 			return false;
 		}
 		$width_orig=imageSX($this->resource);
@@ -557,14 +557,14 @@ class OC_Image {
 		$process = imagecreatetruecolor($width, $height);
 
 		if ($process == false) {
-			OC_Log::write('core',__METHOD__.'(): Error creating true color image',OC_Log::ERROR);
+			OC_Log::write('core', __METHOD__.'(): Error creating true color image',OC_Log::ERROR);
 			imagedestroy($process);
 			return false;
 		}
 
 		imagecopyresampled($process, $this->resource, 0, 0, 0, 0, $width, $height, $width_orig, $height_orig);
 		if ($process == false) {
-			OC_Log::write('core',__METHOD__.'(): Error resampling process image '.$width.'x'.$height,OC_Log::ERROR);
+			OC_Log::write('core', __METHOD__.'(): Error resampling process image '.$width.'x'.$height,OC_Log::ERROR);
 			imagedestroy($process);
 			return false;
 		}
@@ -580,7 +580,7 @@ class OC_Image {
 	*/
 	public function centerCrop($size=0) {
 		if(!$this->valid()) {
-			OC_Log::write('core','OC_Image->centerCrop, No image loaded', OC_Log::ERROR);
+			OC_Log::write('core', 'OC_Image->centerCrop, No image loaded', OC_Log::ERROR);
 			return false;
 		}
 		$width_orig=imageSX($this->resource);
@@ -607,13 +607,13 @@ class OC_Image {
 		}
 		$process = imagecreatetruecolor($targetWidth, $targetHeight);
 		if ($process == false) {
-			OC_Log::write('core','OC_Image->centerCrop. Error creating true color image',OC_Log::ERROR);
+			OC_Log::write('core', 'OC_Image->centerCrop. Error creating true color image',OC_Log::ERROR);
 			imagedestroy($process);
 			return false;
 		}
 		imagecopyresampled($process, $this->resource, 0, 0, $x, $y, $targetWidth, $targetHeight, $width, $height);
 		if ($process == false) {
-			OC_Log::write('core','OC_Image->centerCrop. Error resampling process image '.$width.'x'.$height,OC_Log::ERROR);
+			OC_Log::write('core', 'OC_Image->centerCrop. Error resampling process image '.$width.'x'.$height,OC_Log::ERROR);
 			imagedestroy($process);
 			return false;
 		}
@@ -632,18 +632,18 @@ class OC_Image {
 	*/
 	public function crop($x, $y, $w, $h) {
 		if(!$this->valid()) {
-			OC_Log::write('core',__METHOD__.'(): No image loaded', OC_Log::ERROR);
+			OC_Log::write('core', __METHOD__.'(): No image loaded', OC_Log::ERROR);
 			return false;
 		}
 		$process = imagecreatetruecolor($w, $h);
 		if ($process == false) {
-			OC_Log::write('core',__METHOD__.'(): Error creating true color image',OC_Log::ERROR);
+			OC_Log::write('core', __METHOD__.'(): Error creating true color image',OC_Log::ERROR);
 			imagedestroy($process);
 			return false;
 		}
 		imagecopyresampled($process, $this->resource, 0, 0, $x, $y, $w, $h, $w, $h);
 		if ($process == false) {
-			OC_Log::write('core',__METHOD__.'(): Error resampling process image '.$w.'x'.$h,OC_Log::ERROR);
+			OC_Log::write('core', __METHOD__.'(): Error resampling process image '.$w.'x'.$h,OC_Log::ERROR);
 			imagedestroy($process);
 			return false;
 		}
@@ -660,7 +660,7 @@ class OC_Image {
 	 */
 	public function fitIn($maxWidth, $maxHeight) {
 		if(!$this->valid()) {
-			OC_Log::write('core',__METHOD__.'(): No image loaded', OC_Log::ERROR);
+			OC_Log::write('core', __METHOD__.'(): No image loaded', OC_Log::ERROR);
 			return false;
 		}
 		$width_orig=imageSX($this->resource);
diff --git a/lib/installer.php b/lib/installer.php
index 83d082b804a82f7830d6e99bf01de7f595ebcb29..8c504fb6129ca8e0365654c16b867857d5b5e5a1 100644
--- a/lib/installer.php
+++ b/lib/installer.php
@@ -97,7 +97,7 @@ class OC_Installer{
 		if($archive=OC_Archive::open($path)) {
 			$archive->extract($extractDir);
 		} else {
-			OC_Log::write('core','Failed to open archive when installing app',OC_Log::ERROR);
+			OC_Log::write('core', 'Failed to open archive when installing app', OC_Log::ERROR);
 			OC_Helper::rmdirr($extractDir);
 			if($data['source']=='http') {
 				unlink($path);
@@ -118,7 +118,7 @@ class OC_Installer{
 			}
 		}
 		if(!is_file($extractDir.'/appinfo/info.xml')) {
-			OC_Log::write('core','App does not provide an info.xml file',OC_Log::ERROR);
+			OC_Log::write('core', 'App does not provide an info.xml file', OC_Log::ERROR);
 			OC_Helper::rmdirr($extractDir);
 			if($data['source']=='http') {
 				unlink($path);
@@ -127,8 +127,8 @@ class OC_Installer{
 		}
 		$info=OC_App::getAppInfo($extractDir.'/appinfo/info.xml', true);
 		// check the code for not allowed calls
-		if(!OC_Installer::checkCode($info['id'],$extractDir)) {
-			OC_Log::write('core','App can\'t be installed because of not allowed code in the App',OC_Log::ERROR);
+		if(!OC_Installer::checkCode($info['id'], $extractDir)) {
+			OC_Log::write('core', 'App can\'t be installed because of not allowed code in the App', OC_Log::ERROR);
 			OC_Helper::rmdirr($extractDir);
 			return false;
 		}
@@ -136,14 +136,14 @@ class OC_Installer{
 		// check if the app is compatible with this version of ownCloud
 		$version=OC_Util::getVersion();
 		if(!isset($info['require']) or ($version[0]>$info['require'])) {
-			OC_Log::write('core','App can\'t be installed because it is not compatible with this version of ownCloud',OC_Log::ERROR);
+			OC_Log::write('core', 'App can\'t be installed because it is not compatible with this version of ownCloud', OC_Log::ERROR);
 			OC_Helper::rmdirr($extractDir);
 			return false;
 		}
 
 		//check if an app with the same id is already installed
 		if(self::isInstalled( $info['id'] )) {
-			OC_Log::write('core','App already installed',OC_Log::WARN);
+			OC_Log::write('core', 'App already installed', OC_Log::WARN);
 			OC_Helper::rmdirr($extractDir);
 			if($data['source']=='http') {
 				unlink($path);
@@ -154,7 +154,7 @@ class OC_Installer{
 		$basedir=OC_App::getInstallPath().'/'.$info['id'];
 		//check if the destination directory already exists
 		if(is_dir($basedir)) {
-			OC_Log::write('core','App directory already exists',OC_Log::WARN);
+			OC_Log::write('core', 'App directory already exists', OC_Log::WARN);
 			OC_Helper::rmdirr($extractDir);
 			if($data['source']=='http') {
 				unlink($path);
@@ -168,14 +168,14 @@ class OC_Installer{
 
 		//copy the app to the correct place
 		if(@!mkdir($basedir)) {
-			OC_Log::write('core','Can\'t create app folder. Please fix permissions. ('.$basedir.')',OC_Log::ERROR);
+			OC_Log::write('core', 'Can\'t create app folder. Please fix permissions. ('.$basedir.')', OC_Log::ERROR);
 			OC_Helper::rmdirr($extractDir);
 			if($data['source']=='http') {
 				unlink($path);
 			}
 			return false;
 		}
-		OC_Helper::copyr($extractDir,$basedir);
+		OC_Helper::copyr($extractDir, $basedir);
 
 		//remove temporary files
 		OC_Helper::rmdirr($extractDir);
@@ -191,8 +191,8 @@ class OC_Installer{
 		}
 
 		//set the installed version
-		OC_Appconfig::setValue($info['id'],'installed_version',OC_App::getAppVersion($info['id']));
-		OC_Appconfig::setValue($info['id'],'enabled','no');
+		OC_Appconfig::setValue($info['id'], 'installed_version', OC_App::getAppVersion($info['id']));
+		OC_Appconfig::setValue($info['id'], 'enabled', 'no');
 
 		//set remote/public handelers
 		foreach($info['remote'] as $name=>$path) {
@@ -296,7 +296,7 @@ class OC_Installer{
 								$enabled = isset($info['default_enable']);
 								if( $enabled ) {
 									OC_Installer::installShippedApp($filename);
-									OC_Appconfig::setValue($filename,'enabled','yes');
+									OC_Appconfig::setValue($filename, 'enabled', 'yes');
 								}
 							}
 						}
@@ -323,7 +323,7 @@ class OC_Installer{
 			include OC_App::getAppPath($app)."/appinfo/install.php";
 		}
 		$info=OC_App::getAppInfo($app);
-		OC_Appconfig::setValue($app,'installed_version',OC_App::getAppVersion($app));
+		OC_Appconfig::setValue($app, 'installed_version', OC_App::getAppVersion($app));
 
 		//set remote/public handelers
 		foreach($info['remote'] as $name=>$path) {
@@ -360,7 +360,7 @@ class OC_Installer{
 			// check if grep is installed
 			$grep = exec('which grep');
 			if($grep=='') {
-				OC_Log::write('core','grep not installed. So checking the code of the app "'.$appname.'" was not possible',OC_Log::ERROR);
+				OC_Log::write('core', 'grep not installed. So checking the code of the app "'.$appname.'" was not possible', OC_Log::ERROR);
 				return true;
 			}
 
@@ -370,7 +370,7 @@ class OC_Installer{
 				$result = exec($cmd);
 				// bad pattern found
 				if($result<>'') {
-					OC_Log::write('core','App "'.$appname.'" is using a not allowed call "'.$bl.'". Installation refused.',OC_Log::ERROR);
+					OC_Log::write('core', 'App "'.$appname.'" is using a not allowed call "'.$bl.'". Installation refused.', OC_Log::ERROR);
 					return false;
 				}
 			}
diff --git a/lib/util.php b/lib/util.php
index 69f29f12228343519a135505bed5eb03e784fdc9..789c75f415460684f79269a296ef69fa71ffe3fb 100755
--- a/lib/util.php
+++ b/lib/util.php
@@ -39,7 +39,7 @@ class OC_Util {
 		$CONFIG_DATADIRECTORY = OC_Config::getValue( "datadirectory", OC::$SERVERROOT."/data" );
 		//first set up the local "root" storage
 		if(!self::$rootMounted) {
-			OC_Filesystem::mount('OC_Filestorage_Local', array('datadir'=>$CONFIG_DATADIRECTORY),'/');
+			OC_Filesystem::mount('OC_Filestorage_Local', array('datadir'=>$CONFIG_DATADIRECTORY), '/');
 			self::$rootMounted=true;
 		}
 
@@ -81,10 +81,10 @@ class OC_Util {
 			}
 
 			$mtime=filemtime($user_root.'/mount.php');
-			$previousMTime=OC_Preferences::getValue($user,'files','mountconfigmtime',0);
+			$previousMTime=OC_Preferences::getValue($user, 'files', 'mountconfigmtime', 0);
 			if($mtime>$previousMTime) {//mount config has changed, filecache needs to be updated
 				OC_FileCache::triggerUpdate($user);
-				OC_Preferences::setValue($user,'files','mountconfigmtime',$mtime);
+				OC_Preferences::setValue($user, 'files', 'mountconfigmtime', $mtime);
 			}
 		}
 	}
@@ -169,7 +169,7 @@ class OC_Util {
     public static function formatDate( $timestamp,$dateOnly=false) {
 		if(isset($_SESSION['timezone'])) {//adjust to clients timezone if we know it
 			$systemTimeZone = intval(date('O'));
-			$systemTimeZone=(round($systemTimeZone/100,0)*60)+($systemTimeZone%100);
+			$systemTimeZone=(round($systemTimeZone/100, 0)*60)+($systemTimeZone%100);
 			$clientTimeZone=$_SESSION['timezone']*60;
 			$offset=$clientTimeZone-$systemTimeZone;
 			$timestamp=$timestamp+$offset*60;
@@ -196,11 +196,11 @@ class OC_Util {
 			if($pagestop>$pagecount) $pagestop=$pagecount;
 
 			$tmpl = new OC_Template( '', 'part.pagenavi', '' );
-			$tmpl->assign('page',$page);
-			$tmpl->assign('pagecount',$pagecount);
-			$tmpl->assign('pagestart',$pagestart);
-			$tmpl->assign('pagestop',$pagestop);
-			$tmpl->assign('url',$url);
+			$tmpl->assign('page', $page);
+			$tmpl->assign('pagecount', $pagecount);
+			$tmpl->assign('pagestart', $pagestart);
+			$tmpl->assign('pagestop', $pagestop);
+			$tmpl->assign('url', $url);
 			return $tmpl;
 		}
 	}
@@ -241,24 +241,24 @@ class OC_Util {
 		//check for correct file permissions
 		if(!stristr(PHP_OS, 'WIN')) {
 			$permissionsModHint="Please change the permissions to 0770 so that the directory cannot be listed by other users.";
-			$prems=substr(decoct(@fileperms($CONFIG_DATADIRECTORY)),-3);
-			if(substr($prems,-1)!='0') {
-				OC_Helper::chmodr($CONFIG_DATADIRECTORY,0770);
+			$prems=substr(decoct(@fileperms($CONFIG_DATADIRECTORY)), -3);
+			if(substr($prems, -1)!='0') {
+				OC_Helper::chmodr($CONFIG_DATADIRECTORY, 0770);
 				clearstatcache();
-				$prems=substr(decoct(@fileperms($CONFIG_DATADIRECTORY)),-3);
-				if(substr($prems,2,1)!='0') {
-					$errors[]=array('error'=>'Data directory ('.$CONFIG_DATADIRECTORY.') is readable for other users<br/>','hint'=>$permissionsModHint);
+				$prems=substr(decoct(@fileperms($CONFIG_DATADIRECTORY)), -3);
+				if(substr($prems, 2, 1)!='0') {
+					$errors[]=array('error'=>'Data directory ('.$CONFIG_DATADIRECTORY.') is readable for other users<br/>', 'hint'=>$permissionsModHint);
 				}
 			}
 			if( OC_Config::getValue( "enablebackup", false )) {
 				$CONFIG_BACKUPDIRECTORY = OC_Config::getValue( "backupdirectory", OC::$SERVERROOT."/backup" );
-				$prems=substr(decoct(@fileperms($CONFIG_BACKUPDIRECTORY)),-3);
-				if(substr($prems,-1)!='0') {
-					OC_Helper::chmodr($CONFIG_BACKUPDIRECTORY,0770);
+				$prems=substr(decoct(@fileperms($CONFIG_BACKUPDIRECTORY)), -3);
+				if(substr($prems, -1)!='0') {
+					OC_Helper::chmodr($CONFIG_BACKUPDIRECTORY, 0770);
 					clearstatcache();
-					$prems=substr(decoct(@fileperms($CONFIG_BACKUPDIRECTORY)),-3);
-					if(substr($prems,2,1)!='0') {
-						$errors[]=array('error'=>'Data directory ('.$CONFIG_BACKUPDIRECTORY.') is readable for other users<br/>','hint'=>$permissionsModHint);
+					$prems=substr(decoct(@fileperms($CONFIG_BACKUPDIRECTORY)), -3);
+					if(substr($prems, 2, 1)!='0') {
+						$errors[]=array('error'=>'Data directory ('.$CONFIG_BACKUPDIRECTORY.') is readable for other users<br/>', 'hint'=>$permissionsModHint);
 					}
 				}
 			}
@@ -391,7 +391,7 @@ class OC_Util {
 		// Check if we are a user
 		self::checkLoggedIn();
 		self::verifyUser();
-		if(OC_Group::inGroup(OC_User::getUser(),'admin')) {
+		if(OC_Group::inGroup(OC_User::getUser(), 'admin')) {
 			return true;
 		}
 		if(!OC_SubAdmin::isSubAdmin(OC_User::getUser())) {
@@ -467,7 +467,7 @@ class OC_Util {
 		$id=OC_Config::getValue('instanceid', null);
 		if(is_null($id)) {
 			$id=uniqid();
-			OC_Config::setValue('instanceid',$id);
+			OC_Config::setValue('instanceid', $id);
 		}
 		return $id;
 	}
@@ -504,10 +504,10 @@ class OC_Util {
 
 		// cleanup old tokens garbage collector
 		// only run every 20th time so we don't waste cpu cycles
-		if(rand(0,20)==0) {
+		if(rand(0, 20)==0) {
 			foreach($_SESSION as $key=>$value) {
 				// search all tokens in the session
-				if(substr($key,0,12)=='requesttoken') {
+				if(substr($key, 0, 12)=='requesttoken') {
 					// check if static lifespan has expired
 					if($value+self::$callLifespan<time()) {
 						// remove outdated tokens
@@ -571,7 +571,7 @@ class OC_Util {
 	 * @return array with sanitized strings or a single sanitized string, depends on the input parameter.
 	 */
 	public static function sanitizeHTML( &$value ) {
-		if (is_array($value) || is_object($value)) array_walk_recursive($value,'OC_Util::sanitizeHTML');
+		if (is_array($value) || is_object($value)) array_walk_recursive($value, 'OC_Util::sanitizeHTML');
 		else $value = htmlentities($value, ENT_QUOTES, 'UTF-8'); //Specify encoding for PHP<5.4
 		return $value;
 	}