197     private $_warnings = array();  variable in PHP_CodeSniffer_File
443         $this->_warnings     = array();
498                         $this->_warnings     = array();
599             $this->_warnings = array();
1225             if (isset($this->_warnings[$line]) === false) {
1226                 $this->_warnings[$line] = 0;
1229             $this->_warnings[$line]++;
1244         if (isset($this->_warnings[$line]) === false) {
1245             $this->_warnings[$line] = array();
1248         if (isset($this->_warnings[$line][$column]) === false) {
1249             $this->_warnings[$line][$column] = array();
1252         $this->_warnings[$line][$column][] = array(
1382         return $this->_warnings;