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filter is not described

use_default_gallery_style filter-hook . WP 3.1.0

Filters whether to print default gallery styles.

Usage

add_filter( 'use_default_gallery_style', 'filter_function_name_8833' );
function filter_function_name_8833( $print ){
	// filter...

	return $print;
}
$print(true/false)
Whether to print default gallery styles. Otherwise, defaults to true.
Default: false if the theme supports HTML5 galleries

Changelog

Since 3.1.0 Introduced.

Where the hook is called

gallery_shortcode()
use_default_gallery_style
wp-includes/media.php 1817
if ( apply_filters( 'use_default_gallery_style', ! $html5 ) ) {

Where the hook is used (in WP core)

Usage not found!