sites_clauses filter-hook . WP 4.6.0

Filters the site query clauses.

Usage

add_filter( 'sites_clauses', 'filter_function_name_728', 10, 2 );
function filter_function_name_728( $pieces, $this ){
	// filter...

	return $pieces;
}

$pieces(string[])

An associative array of site query clauses.

$this(WP_Site_Query)

Current instance of WP_Site_Query (passed by reference).

Where the hook is called

$clauses = apply_filters_ref_array( 'sites_clauses', array( compact( $pieces ), &$this ) );

Where the hook is used (in WP core)