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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 |
|---|---|
| 229 | /** |
| 230 | * Filters the arguments for registering a taxonomy. |
| 231 | * |
| 232 | * @since 4.4.0 |
| 233 | * |
| 234 | * @param array $args Array of arguments for registering a taxonomy. |
| 235 | * @param string $taxonomy Taxonomy key. |
| 236 | * @param array $object_type Array of names of object types for the taxonomy. |
| 237 | */ |
| 238 | $args = apply_filters( 'register_taxonomy_args', $args, $this->name, (array) $object_type ); |
| 239 | |
| 240 | $defaults = array( |
| 241 | 'labels' => array(), |
| 242 | 'description' => '', |
| 243 | 'public' => true, |
| 244 | 'publicly_queryable' => null, |
| 245 | 'hierarchical' => false, |
| 246 | 'show_ui' => null, |
| 247 | 'show_in_menu' => null, |