swift_performance_css_content

swift_performance_css_content

Filter for the merged full CSS.

Parameters

$css

string, contains the merged CSS

$key:

media attribute for the CSS all if CSS doesn’t have any media attribute, otherwise the attribute string (eg: print, or min-width:768px)

Return

string

Example

// add extra CSS for merged CSS
add_filter('swift_performance_css_content', function($css, $key){
 if ($key == 'all'){
  $css .= '.some-extra-css{color:#ff0000}';
 }
 return $css; 
}, 10, 2);