code: public function findFileAndLine($className) {
          $result = false;
          $fullPath = $this->searchFullPath($this->getFileFromClassName($className));
          if ($fullPath) {
              $result = array('file' => $fullPath, 'line' => 0);
              $lineNumber = $this->getLineNumber($fullPath, '/class\s+'.$className.'/');
              if ($lineNumber) {
                  $result['line'] = $lineNumber;
              }
          }
          return $result;
      }
docs: Find file and line of the class statement
  
  @param $className
  @return bool|array