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Source View: wp_print_styles

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
12  * @since r79
13  * @uses do_action() Calls 'wp_print_styles' hook.
14  * @global object $wp_styles The WP_Styles object for printing styles.
15  *
16  * @param array|bool $handles Styles to be printed. An empty array prints the queue,
17  *  an array with one string prints that style, and an array of strings prints those styles.
18  * @return bool True on success, false on failure.
19  */
20 function wp_print_styles( $handles = false ) {
21      do_action( 'wp_print_styles' );
22      if ( '' === $handles ) // for wp_head
23           $handles = false;
24
25      global $wp_styles;
26      if ( !is_a($wp_styles, 'WP_Styles') ) {
27           if ( !$handles )
28                return array(); // No need to instantiate if nothing's there.
29           else
30                $wp_styles = new WP_Styles();