Index: src/main/php/appenders/LoggerAppenderRollingFile.php
===================================================================
--- src/main/php/appenders/LoggerAppenderRollingFile.php	(revision 1215479)
+++ src/main/php/appenders/LoggerAppenderRollingFile.php	(working copy)
@@ -86,6 +86,13 @@
 	private $expandedFileName = null;
 
 	/**
+	 * 
+	 * compress the rollover file
+	 * @var boolean
+	 */
+	protected $compress = false;
+	
+	/**
 	 * Returns the value of the MaxBackupIndex option.
 	 * @return integer 
 	 */
@@ -119,20 +126,19 @@
 
 			// Delete the oldest file, to keep Windows happy.
 			$file = $fileName . '.' . $this->maxBackupIndex;
-			if(is_writable($file))
+			if(is_writable($file)) {
 				unlink($file);
+			}
 
 			// Map {(maxBackupIndex - 1), ..., 2, 1} to {maxBackupIndex, ..., 3, 2}
-			for($i = $this->maxBackupIndex - 1; $i >= 1; $i--) {
-				$file = $fileName . "." . $i;
-				if(is_readable($file)) {
-					$target = $fileName . '.' . ($i + 1);
-					rename($file, $target);
-				}
-			}
+			$this->renameArchievedLogs($fileName);
 	
 			// Backup the active file
 			copy($fileName, "$fileName.1");
+			
+			if (true === $this->compress) {
+				file_put_contents('compress.zlib:///'.$fileName.'.1.gz', file_get_contents($fileName));
+			}
 		}
 		
 		// Truncate the active file
@@ -140,6 +146,20 @@
 		rewind($this->fp);
 	}
 	
+	private function renameArchievedLogs($fileName) {
+		for($i = $this->maxBackupIndex - 1; $i >= 1; $i--) {
+			$file = $fileName . "." . $i;
+			if(is_readable($file)) {
+				$target = $fileName . '.' . ($i + 1);
+				rename($file, $target);
+				
+				if (true === $this->compress) {
+					rename($file.'.gz', $target.'.gz');
+				}
+			}
+		}		
+	}
+	
 	public function setFile($fileName) {
 		$this->file = $fileName;
 		// As LoggerAppenderFile does not create the directory, it has to exist.
@@ -228,4 +248,8 @@
 	public function getMaxFileSize() {
 		return $this->maxFileSize;
 	}
+	
+	public function setCompress($compress) {
+		$this->setBoolean('compress', $compress);
+	}
 }
Index: src/test/php/appenders/LoggerAppenderRollingFileTest.php
===================================================================
--- src/test/php/appenders/LoggerAppenderRollingFileTest.php	(revision 1215479)
+++ src/test/php/appenders/LoggerAppenderRollingFileTest.php	(working copy)
@@ -33,6 +33,8 @@
 	 */
 	private $dir;
 
+	const WARNING_MASSAGE = 'WARN - my messageXYZ';
+	
 	protected function setUp() {
 		$this->dir = dirname(__FILE__) . '/../../../../target/phpunit';
 		@mkdir($this->dir);
@@ -121,20 +123,10 @@
 		self::assertEquals($e, $line);
 
 		$file = $this->dir.'/TEST-rolling.txt.1';
-		$data = file($file);
-		$line = $data[count($data)-1];
-		$e = "WARN - my message123".PHP_EOL;
-		foreach($data as $r) {
-			self::assertEquals($e, $r);
-		}
+		$this->checkFileContent($file);
 
 		$file = $this->dir.'/TEST-rolling.txt.2';
-		$data = file($file);
-		$line = $data[count($data)-1];
-		$e = "WARN - my message123".PHP_EOL;
-		foreach($data as $r) {
-			self::assertEquals($e, $r);
-		}
+		$this->checkFileContent($file);
 
 		if(file_exists($this->dir.'/TEST-rolling.txt.3')) {
 			self::assertTrue(false);
@@ -169,30 +161,70 @@
 		self::assertEquals($e, $line);
 
 		$file = $this->dir.'/TEST-rolling.txt.1';
-		$data = file($file);
-		$line = $data[count($data)-1];
-		$e = "WARN - my message123".PHP_EOL;
-		foreach($data as $r) {
-			self::assertEquals($e, $r);
-		}
+		$this->checkFileContent($file);
 
 		$file = $this->dir.'/TEST-rolling.txt.2';
-		$data = file($file);
-		$line = $data[count($data)-1];
-		$e = "WARN - my message123".PHP_EOL;
-		foreach($data as $r) {
-			self::assertEquals($e, $r);
-		}
+		$this->checkFileContent($file);
 
 		if(file_exists($this->dir.'/TEST-rolling.txt.3')) {
 			self::assertTrue(false);
 		}
 	}
+	
+	public function testRolloverWithCompression() {
+			$logger = Logger::getLogger('mycat');
+		$logger->setAdditivity(false);
+		$layout = new LoggerLayoutSimple();
 
+		$appender = new LoggerAppenderRollingFile("mylogger");
+		$appender->setFile($this->dir.'/TEST-rolling.txt');
+		$appender->setLayout($layout);
+		$appender->setMaxFileSize('1KB');
+		$appender->setMaxBackupIndex(2);
+		$appender->setCompress(true);
+		$appender->activateOptions();
+		
+		$logger->addAppender($appender);
+		
+		for($i = 0; $i < 1000; $i++) {
+			$logger->warn(self::WARNING_MASSAGE. $i);
+		}
+		
+		$logger->warn("my messageXYZ");
+		
+		$file = $this->dir.'/TEST-rolling.txt';
+		$data = file($file);
+		
+		$line = $data[count($data)-1];
+		$e = self::WARNING_MASSAGE.PHP_EOL;
+		self::assertEquals($e, $line);
+
+		$firstCompressedRollingFile = $this->dir.'/TEST-rolling.txt.1.gz';
+		$this->assertTrue(file_exists($firstCompressedRollingFile),'TEST-rolling.txt.1.gz not found');		
+		
+		$secondCompressedRollingFile = $this->dir.'/TEST-rolling.txt.2.gz';
+		$this->assertTrue(file_exists($secondCompressedRollingFile), 'TEST-rolling.txt.2.gz not found');
+	}	
+
+	private function checkFileContent($file) {
+		$data = file($file);
+		$this->checkText($data);		
+	}
+
+	private function checkText($text) {
+		$line = $text[count($text)-1];
+		$e = "WARN - my message123".PHP_EOL;
+		foreach($text as $r) {
+			self::assertEquals($e, $r);
+		}		
+	}
+	
 	protected function tearDown() {
 		@unlink($this->dir.'/TEST-rolling.txt');
 		@unlink($this->dir.'/TEST-rolling.txt.1');
 		@unlink($this->dir.'/TEST-rolling.txt.2');
+		@unlink($this->dir.'/TEST-rolling.txt.1.gz');
+		@unlink($this->dir.'/TEST-rolling.txt.2.gz');
 		@rmdir($this->dir);
 	}