terms_pre_query filter-hook . WP 5.3.0

Filters the terms array before the query takes place.

Return a non-null value to bypass WordPress' default term queries.

Usage

add_filter( 'terms_pre_query', 'filter_function_name_8865', 10, 2 );
function filter_function_name_8865( $terms, $this ){
	// filter...

	return $terms;
}

$terms(array/null)

Return an array of term data to short-circuit WP's term query, or null to allow WP queries to run normally.

$this(WP_Term_Query)

The WP_Term_Query instance, passed by reference.

Changelog

Where the hook is called

$this->terms = apply_filters_ref_array( 'terms_pre_query', array( $this->terms, &$this ) );

Where in WP core the hook is used WordPress