bp_nouveau_parse_hooked_dir_nav( string $hook = '', string $component = '', int $position = 99 )

function bp_nouveau_parse_hooked_dir_nav( $hook = '', $component = '', $position = 99 ) {
	$extra_nav_items = array();

	if ( empty( $hook ) || empty( $component ) || ! has_action( $hook ) ) {
		return $extra_nav_items;
	}

	// Get the hook output.
	ob_start();

	/**
	 * Fires at the start of the output for `bp_nouveau_parse_hooked_dir_nav()`.
	 *
	 * This hook is variable and depends on the hook parameter passed in.
	 *
	 * @since BuddyPress 3.0.0
	 */
	do_action( $hook );
	$output = ob_get_clean();

	if ( empty( $output ) ) {
		return $extra_nav_items;
	}

	preg_match_all( "/<li\sid=\"{$component}\-(.*)\"[^>]*>/siU", $output, $lis );
	if ( empty( $lis[1] ) ) {
		return $extra_nav_items;
	}

	$extra_nav_items = array_fill_keys( $lis[1], array( 'component' => $component, 'position' => $position ) );
	preg_match_all( '/<a\s[^>]*>(.*)<\/a>/siU', $output, $as );

	if ( ! empty( $as[0] ) ) {
		foreach ( $as[0] as $ka => $a ) {
			$extra_nav_items[ $lis[1][ $ka ] ]['slug'] = $lis[1][ $ka ];
			$extra_nav_items[ $lis[1][ $ka ] ]['text'] = $as[1][ $ka ];
			preg_match_all( '/([\w\-]+)=([^"\'> ]+|([\'"]?)(?:[^\3]|\3+)+?\3)/', $a, $attrs );

			if ( ! empty( $attrs[1] ) ) {
				foreach ( $attrs[1] as $katt => $att ) {
					if ( 'href' === $att ) {
						$extra_nav_items[ $lis[1][ $ka ] ]['link'] = trim( $attrs[2][ $katt ], '"' );
					} else {
						$extra_nav_items[ $lis[1][ $ka ] ][ $att ] = trim( $attrs[2][ $katt ], '"' );
					}
				}
			}
		}
	}

	if ( ! empty( $as[1] ) ) {
		foreach ( $as[1] as $ks => $s ) {
			preg_match_all( '/<span>(.*)<\/span>/siU', $s, $spans );

			if ( empty( $spans[0] ) ) {
				$extra_nav_items[ $lis[1][ $ks ] ]['count'] = false;
			} elseif ( ! empty( $spans[1][0] ) ) {
				$extra_nav_items[ $lis[1][ $ks ] ]['count'] = (int) $spans[1][0];
			} else {
				$extra_nav_items[ $lis[1][ $ks ] ]['count'] = '';
			}
		}
	}

	return $extra_nav_items;
}