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filter is not described

smilies_src filter-hook . WP 2.9.0

Filters the Smiley image URL before it's used in the image element.

Usage

add_filter( 'smilies_src', 'filter_function_name_2963', 10, 3 );
function filter_function_name_2963( $smiley_url, $img, $site_url ){
	// filter...

	return $smiley_url;
}
$smiley_url(string)
URL for the smiley image.
$img(string)
Filename for the smiley image.
$site_url(string)
Site URL, as returned by site_url().

Where the hook is called

translate_smiley()
wp-includes/formatting.php 2818
$src_url = apply_filters( 'smilies_src', includes_url( "images/smilies/$img" ), $img, site_url() );

Where the hook is used (in WP core)

Does not used.