original_string: public function countSelectors($css = null)
  	{
  		$count = 0;
  		if ($css !== null && $this->css !== $css) {
  			$this->css = $css;
  			$this->parsedCss = $this->splitIntoBlocks($this->css);
  		}
  		foreach ($this->parsedCss as $rules) {
  			$count += $rules['count'];
  		}
  
  		return $count;
  	}
code: public function countSelectors($css = null)
  	{
  		$count = 0;
  		if ($css !== null && $this->css !== $css) {
  			$this->css = $css;
  			$this->parsedCss = $this->splitIntoBlocks($this->css);
  		}
  		foreach ($this->parsedCss as $rules) {
  			$count += $rules['count'];
  		}
  
  		return $count;
  	}
code_tokens: public function countSelectors ( $ css = null ) { $ count = 0 ; if ( $ css !== null && $ this -> css !== $ css ) { $ this -> css = $ css ; $ this -> parsedCss = $ this -> splitIntoBlocks ( $ this -> css ) ; } foreach ( $ this -> parsedCss as $ rules ) { $ count += $ rules [ 'count' ] ; } return $ count ; }
docstring: Counts the selectors in the given css
  
  @param string $css
  @return int The count of selectors in the CSS
docstring_tokens: Counts the selectors in the given css