privacy_ping_filter( mixed $sites )

Checks whether blog is public before returning sites.

Parameters

$sites

(Required) Will return if blog is public, will not return if not public.

Return

(mixed) Empty string if blog is not public, returns $sites, if site is public.

Source

File: wp-includes/comment.php 

function privacy_ping_filter($sites) {
	if ( '0' != get_option('blog_public') )
		return $sites;
	else
		return '';
}

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Changelog

Changelog
Version Description
2.1.0 Introduced.