original_string: protected function getHtmlClasses()
  	{
  		$classes = '';
  
  		if( ! empty($this->css_classes) )
  		{
  			// open attribute
  			$classes.= " class=\"";
  			foreach($this->css_classes as $class)
  			{
  				$classes.="{$class} ";
  			}
  			// close attribute
  			$classes.= "\"";
  		}
  
  		return $classes;
  	}
code: protected function getHtmlClasses()
  	{
  		$classes = '';
  
  		if( ! empty($this->css_classes) )
  		{
  			// open attribute
  			$classes.= " class=\"";
  			foreach($this->css_classes as $class)
  			{
  				$classes.="{$class} ";
  			}
  			// close attribute
  			$classes.= "\"";
  		}
  
  		return $classes;
  	}
code_tokens: protected function getHtmlClasses ( ) { $ classes = '' ; if ( ! empty ( $ this -> css_classes ) ) { // open attribute $ classes .= " class=\"" ; foreach ( $ this -> css_classes as $ class ) { $ classes .= "{$class} " ; } // close attribute $ classes .= "\"" ; } return $ classes ; }
docstring: Return the custom classes as html attribute
  @return String
docstring_tokens: Return the custom classes as html attribute