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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 |
|---|---|
| 237 | ); |
| 238 | |
| 239 | /** |
| 240 | * Filters the list of available permalink structure tags on the Permalinks settings page. |
| 241 | * |
| 242 | * @since 4.8.0 |
| 243 | * |
| 244 | * @param array $available_tags A key => value pair of available permalink structure tags. |
| 245 | */ |
| 246 | $available_tags = apply_filters( 'available_permalink_structure_tags', $available_tags ); |
| 247 | |
| 248 | /* translators: %s: permalink structure tag */ |
| 249 | $structure_tag_added = __( '%s added to permalink structure' ); |
| 250 | |
| 251 | /* translators: %s: permalink structure tag */ |
| 252 | $structure_tag_already_used = __( '%s (already used in permalink structure)' ); |
| 253 | |
| 254 | if ( ! empty( $available_tags ) ) : |
| 255 | ?> |