WordPress at a glance
filter is not described

bloginfo filter-hook . WP 0.71

Filters the site information returned by get_bloginfo().

Usage

add_filter( 'bloginfo', 'filter_function_name_2982', 10, 2 );
function filter_function_name_2982( $output, $show ){
	// filter...

	return $output;
}
$output(mixed)
The requested non-URL site information.
$show(mixed)
Type of information requested.

Where the hook is called

get_bloginfo()
wp-includes/general-template.php 756
$output = apply_filters( 'bloginfo', $output, $show );

Where the hook is used (in WP core)

Does not used.