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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 |
|---|---|
| 1110 | } |
| 1111 | |
| 1112 | /** |
| 1113 | * Filters the separator for the document title. |
| 1114 | * |
| 1115 | * @since 4.4.0 |
| 1116 | * |
| 1117 | * @param string $sep Document title separator. Default '-'. |
| 1118 | */ |
| 1119 | $sep = apply_filters( 'document_title_separator', '-' ); |
| 1120 | |
| 1121 | /** |
| 1122 | * Filters the parts of the document title. |
| 1123 | * |
| 1124 | * @since 4.4.0 |
| 1125 | * |
| 1126 | * @param array $title { |
| 1127 | * The document title parts. |
| 1128 | * |