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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 |
|---|---|
| 6167 | * Filters whether global terms are enabled. |
| 6168 | * |
| 6169 | * Returning a non-null value from the filter will effectively short-circuit the function |
| 6170 | * and return the value of the 'global_terms_enabled' site option instead. |
| 6171 | * |
| 6172 | * @since 3.0.0 |
| 6173 | * |
| 6174 | * @param null $enabled Whether global terms are enabled. |
| 6175 | */ |
| 6176 | $filter = apply_filters( 'global_terms_enabled', null ); |
| 6177 | if ( ! is_null( $filter ) ) { |
| 6178 | $global_terms = (bool) $filter; |
| 6179 | } else { |
| 6180 | $global_terms = (bool) get_site_option( 'global_terms_enabled', false ); |
| 6181 | } |
| 6182 | } |
| 6183 | return $global_terms; |
| 6184 | } |
| 6185 | |