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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 |
|---|---|
| 252 | ); |
| 253 | |
| 254 | /** |
| 255 | * Filters the list of available permalink structure tags on the Permalinks settings page. |
| 256 | * |
| 257 | * @since 4.8.0 |
| 258 | * |
| 259 | * @param string[] $available_tags An array of key => value pairs of available permalink structure tags. |
| 260 | */ |
| 261 | $available_tags = apply_filters( 'available_permalink_structure_tags', $available_tags ); |
| 262 | |
| 263 | /* translators: %s: permalink structure tag */ |
| 264 | $structure_tag_added = __( '%s added to permalink structure' ); |
| 265 | |
| 266 | /* translators: %s: permalink structure tag */ |
| 267 | $structure_tag_already_used = __( '%s (already used in permalink structure)' ); |
| 268 | |
| 269 | if ( ! empty( $available_tags ) ) : |
| 270 | ?> |