23     static function line_nr($pos, $file_path, $start_line = 0) {  argument
25 		if (!is_array(self::$line_nr_c[$file_path] ?? null)) {
26 			self::$line_nr_c[$file_path] = array();
30 			$start_pos = count(self::$line_nr_c[$file_path]) - 1;
31 			$line_nr = self::$line_nr_c[$file_path][count(self::$line_nr_c[$file_path]) - 1];
36 			if (($find = array_search($start_line, self::$line_nr_c[$file_path] ?? [])) !== false) {
42 					self::$file_cont = io_readFile($file_path);
45 					self::$line_nr_c[$file_path][$i] = $line_nr;
49 				self::$line_nr_c[$file_path][$i] = $line_nr;
60 			return self::$line_nr_c[$file_path][$pos];
63 				self::$file_cont = io_readFile($file_path);
67 				self::$line_nr_c[$file_path][$i] = $line_nr;
71 			return self::$line_nr_c[$file_path][$pos];
149 	public $file_path;  variable in helper_plugin_dtable_handler
153 		$this->file_path = wikiFN($page_id);
166 				$line = helper_plugin_dtable::line_nr($pos, $this->file_path, $this->start_line);
174 				$line = helper_plugin_dtable::line_nr($pos, $this->file_path, $this->start_line);
200 						$line = helper_plugin_dtable::line_nr($pos, $this->file_path, $this->start_line);