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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 |
|---|---|
| 106 | * The hook allows a specific sidebar template file to be used in place of the |
| 107 | * default sidebar template file. If your file is called sidebar-new.php, |
| 108 | * you would specify the filename in the hook as get_sidebar( 'new' ). |
| 109 | * |
| 110 | * @since 2.2.0 |
| 111 | * @since 2.8.0 $name parameter added. |
| 112 | * |
| 113 | * @param string $name Name of the specific sidebar file to use. |
| 114 | */ |
| 115 | do_action( 'get_sidebar', $name ); |
| 116 | |
| 117 | $templates = array(); |
| 118 | $name = (string) $name; |
| 119 | if ( '' !== $name ) |
| 120 | $templates[] = "sidebar-{$name}.php"; |
| 121 | |
| 122 | $templates[] = 'sidebar.php'; |
| 123 | |
| 124 | // Backward compat code will be removed in a future release |