original_string: public function read($fileName)
      {
          $path = $this->getPathBase($fileName);
  
          if (!file_exists($path)) {
              return;
          }
  
          $data = file_get_contents($path);
          return $this->data = unserialize($data);
      }
code: public function read($fileName)
      {
          $path = $this->getPathBase($fileName);
  
          if (!file_exists($path)) {
              return;
          }
  
          $data = file_get_contents($path);
          return $this->data = unserialize($data);
      }
code_tokens: public function read ( $ fileName ) { $ path = $ this -> getPathBase ( $ fileName ) ; if ( ! file_exists ( $ path ) ) { return ; } $ data = file_get_contents ( $ path ) ; return $ this -> data = unserialize ( $ data ) ; }
docstring: reads in the cached file, if it exists
  unserialises and stores in data property
  @param  string $key example-file-name
  @return bool
docstring_tokens: reads in the cached file if it exists unserialises and stores in data property