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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 |
|---|---|
| 1039 | } |
| 1040 | |
| 1041 | /** |
| 1042 | * Filters the separator for the document title. |
| 1043 | * |
| 1044 | * @since 4.4.0 |
| 1045 | * |
| 1046 | * @param string $sep Document title separator. Default '-'. |
| 1047 | */ |
| 1048 | $sep = apply_filters( 'document_title_separator', '-' ); |
| 1049 | |
| 1050 | /** |
| 1051 | * Filters the parts of the document title. |
| 1052 | * |
| 1053 | * @since 4.4.0 |
| 1054 | * |
| 1055 | * @param array $title { |
| 1056 | * The document title parts. |
| 1057 | * |