comment_feed_join │ filter-hook │ WP 2.2.0

Filters the JOIN clause of the comments feed query before sending.

Usage

add_filter( 'comment_feed_join', 'wp_kama_comment_feed_join_filter' );

/**
 * Function for `comment_feed_join` filter-hook.
 * 
 * @param string $cjoin The JOIN clause of the query.
 *
 * @return string
 */
function wp_kama_comment_feed_join_filter( $cjoin ){

	// filter...
	return $cjoin;
}

$cjoin(string)

The JOIN clause of the query.

Changelog

Where the hook is called

$cjoin = apply_filters_ref_array( 'comment_feed_join', array( $cjoin, &$this ) );

$cjoin = apply_filters_ref_array( 'comment_feed_join', array( '', &$this ) );

Where the hook is used in WordPress