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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 |
|---|---|
| 75 | * "special". |
| 76 | * |
| 77 | * @uses locate_template() |
| 78 | * @since 1.5.0 |
| 79 | * @uses do_action() Calls 'get_sidebar' action. |
| 80 | * |
| 81 | * @param string $name The name of the specialised sidebar. |
| 82 | */ |
| 83 | function get_sidebar( $name = null ) { |
| 84 | do_action( 'get_sidebar' ); |
| 85 | |
| 86 | $templates = array(); |
| 87 | if ( isset($name) ) |
| 88 | $templates[] = "sidebar-{$name}.php"; |
| 89 | |
| 90 | $templates[] = "sidebar.php"; |
| 91 | |
| 92 | if ('' == locate_template($templates, true)) |
| 93 | load_template( get_theme_root() . '/default/sidebar.php'); |