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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 |
---|---|
5163 | * Filters whether global terms are enabled. |
5164 | * |
5165 | * Passing a non-null value to the filter will effectively short-circuit the function, |
5166 | * returning the value of the 'global_terms_enabled' site option instead. |
5167 | * |
5168 | * @since 3.0.0 |
5169 | * |
5170 | * @param null $enabled Whether global terms are enabled. |
5171 | */ |
5172 | $filter = apply_filters( 'global_terms_enabled', null ); |
5173 | if ( ! is_null( $filter ) ) { |
5174 | $global_terms = (bool) $filter; |
5175 | } else { |
5176 | $global_terms = (bool) get_site_option( 'global_terms_enabled', false ); |
5177 | } |
5178 | } |
5179 | return $global_terms; |
5180 | } |
5181 |
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