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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 |
|---|---|
| 117 | * Fires before the sidebar template file is loaded. |
| 118 | * |
| 119 | * @since 2.2.0 |
| 120 | * @since 2.8.0 The `$name` parameter was added. |
| 121 | * @since 5.5.0 The `$args` parameter was added. |
| 122 | * |
| 123 | * @param string|null $name Name of the specific sidebar file to use. Null for the default sidebar. |
| 124 | * @param array $args Additional arguments passed to the sidebar template. |
| 125 | */ |
| 126 | do_action( 'get_sidebar', $name, $args ); |
| 127 | |
| 128 | $templates = array(); |
| 129 | $name = (string) $name; |
| 130 | if ( '' !== $name ) { |
| 131 | $templates[] = "sidebar-{$name}.php"; |
| 132 | } |
| 133 | |
| 134 | $templates[] = 'sidebar.php'; |
| 135 | |