original_string: protected function getStyleCss(array $tag_frag, $test_for_css = true)
      {
          if (empty($tag_frag['style_css'])) {
              return ''; // Not possible; no CSS code.
          }
          if ($test_for_css && !$this->isStyleTagFragCss($tag_frag)) {
              return ''; // This tag does not contain CSS.
          }
          return trim($tag_frag['style_css']); // CSS code.
      }
code: protected function getStyleCss(array $tag_frag, $test_for_css = true)
      {
          if (empty($tag_frag['style_css'])) {
              return ''; // Not possible; no CSS code.
          }
          if ($test_for_css && !$this->isStyleTagFragCss($tag_frag)) {
              return ''; // This tag does not contain CSS.
          }
          return trim($tag_frag['style_css']); // CSS code.
      }
code_tokens: protected function getStyleCss ( array $ tag_frag , $ test_for_css = true ) { if ( empty ( $ tag_frag [ 'style_css' ] ) ) { return '' ; // Not possible; no CSS code. } if ( $ test_for_css && ! $ this -> isStyleTagFragCss ( $ tag_frag ) ) { return '' ; // This tag does not contain CSS. } return trim ( $ tag_frag [ 'style_css' ] ) ; // CSS code. }
docstring: Get style CSS from a CSS tag fragment.
  
  @since 140417 Initial release.
  
  @param array $tag_frag     A CSS tag fragment.
  @param bool  $test_for_css Defaults to a TRUE value.
  If TRUE, we will test tag fragment to make sure it's CSS.
  
  @return string The style CSS code (if possible); else an empty string.
docstring_tokens: Get style CSS from a CSS tag fragment .