WordPress at a glance
action is not described

pre_get_terms action-hook . WP 4.6.0

Fires before terms are retrieved.

Usage

add_action( 'pre_get_terms', 'action_function_name_9641' );
function action_function_name_9641( $this ){
	// action...
}
$this(WP_Term_Query)
Current instance of WP_Term_Query.

Changelog

Since 4.6.0 Introduced.

Where the hook is called

WP_Term_Query::get_terms()
pre_get_terms
wp-includes/class-wp-term-query.php 317
do_action( 'pre_get_terms', $this );

Where the hook is used (in WP core)

Usage not found!