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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )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.
| Line | Code |
|---|---|
| 49 | * |
| 50 | * @since 3.1.0 |
| 51 | */ |
| 52 | function wp_admin_bar_render() { |
| 53 | global $wp_admin_bar; |
| 54 | |
| 55 | if ( ! is_admin_bar_showing() || ! is_object( $wp_admin_bar ) ) |
| 56 | return false; |
| 57 | |
| 58 | do_action_ref_array( 'admin_bar_menu', array( &$wp_admin_bar ) ); |
| 59 | |
| 60 | do_action( 'wp_before_admin_bar_render' ); |
| 61 | |
| 62 | $wp_admin_bar->render(); |
| 63 | |
| 64 | do_action( 'wp_after_admin_bar_render' ); |
| 65 | } |
| 66 | add_action( 'wp_footer', 'wp_admin_bar_render', 1000 ); |
| 67 | add_action( 'in_admin_header', 'wp_admin_bar_render', 0 ); |