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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 |
|---|---|
| 1016 | } |
| 1017 | |
| 1018 | /** |
| 1019 | * Filters the separator for the document title. |
| 1020 | * |
| 1021 | * @since 4.4.0 |
| 1022 | * |
| 1023 | * @param string $sep Document title separator. Default '-'. |
| 1024 | */ |
| 1025 | $sep = apply_filters( 'document_title_separator', '-' ); |
| 1026 | |
| 1027 | /** |
| 1028 | * Filters the parts of the document title. |
| 1029 | * |
| 1030 | * @since 4.4.0 |
| 1031 | * |
| 1032 | * @param array $title { |
| 1033 | * The document title parts. |
| 1034 | * |