original_string: public function getMetaDataValue($key) {
  
              return (isset($this->meta[$key]) ? $this->meta[$key] : null);
  
          }
code: public function getMetaDataValue($key) {
  
              return (isset($this->meta[$key]) ? $this->meta[$key] : null);
  
          }
code_tokens: public function getMetaDataValue ( $ key ) { return ( isset ( $ this -> meta [ $ key ] ) ? $ this -> meta [ $ key ] : null ) ; }
docstring: Get the stream meta data value
  @param   string      $key        Meta key
  @return  array|string|null       Returns the meta data list, value or null
docstring_tokens: Get the stream meta data value