original_string: public function valuesFor($attributeNames)
  	{
  		$filter = array();
  
  		foreach ($attributeNames as $name)
  			$filter[$name] = $this->$name;
  
  		return $filter;
  	}
code: public function valuesFor($attributeNames)
  	{
  		$filter = array();
  
  		foreach ($attributeNames as $name)
  			$filter[$name] = $this->$name;
  
  		return $filter;
  	}
code_tokens: public function valuesFor ( $ attributeNames ) { $ filter = array ( ) ; foreach ( $ attributeNames as $ name ) $ filter [ $ name ] = $ this -> $ name ; return $ filter ; }
docstring: Helper to return a hash of values for the specified attributes.
  
  @param array $attribute_names Array of attribute names
  @return array An array in the form array(name => value, ...)
docstring_tokens: Helper to return a hash of values for the specified attributes .