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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 |
|---|---|
| 108 | |
| 109 | /** |
| 110 | * Filter the blog title for use as the feed title. |
| 111 | * |
| 112 | * @since 2.2.0 |
| 113 | * |
| 114 | * @param string $title The current blog title. |
| 115 | * @param string $sep Separator used by wp_title(). |
| 116 | */ |
| 117 | $title = apply_filters( 'get_wp_title_rss', $title, $sep ); |
| 118 | return $title; |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Display the blog title for display of the feed title. |
| 123 | * |
| 124 | * @since 2.2.0 |
| 125 | * @see wp_title() $sep parameter usage. |
| 126 | * |