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<?phpfunction scan_directory_recursively($directory, $filter=FALSE){	if(substr($directory,-1) == '/')	{		$directory = substr($directory,0,-1);	}	if(!file_exists($directory) || !is_dir($directory))	{		return FALSE;	}elseif(is_readable($directory))	{		$directory_list = opendir($directory);		while($file = readdir($directory_list))		{			if($file != '.' && $file != '..')			{				$path = $directory.'/'.$file;				if(is_readable($path))				{					$subdirectories = explode('/',$path);					if(is_dir($path))					{						$directory_tree[] = array(							'path'      => $path,							'name'      => end($subdirectories),							'kind'      => 'directory',							'content'   => scan_directory_recursively($path, $filter));					}elseif(is_file($path))					{						$extension = end(explode('.',end($subdirectories)));						if($filter === FALSE || $filter == $extension)						{							$directory_tree[] = array(							'path'		=> $path,							'name'		=> end($subdirectories),							'extension' => $extension,							'size'		=> filesize($path),							'kind'		=> 'file');						}						if (strtolower($extension) == 'php') {                            parseFile($path);						}					}				}			}		}		closedir($directory_list);		return $directory_tree;	}else{		return FALSE;	}}function parseFile($path) {    $file_content = file_get_contents($path);    $file_lines = split('\n', $file_content);    $counter = 0;    foreach ($file_lines as $line) {        $matches = array();        $counter++;        $matchCount = preg_match('/__[\s]*\(.*\)/', $line, $matches);        if (count($matches) > 0) {            foreach($matches as $match)                echo($path.':'.$counter.' - '.$match.'<br>');        }    }}$directory = 'E:/wamp/www/room/';$file_tree = scan_directory_recursively($directory);?>