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filter is not described

widget_categories_dropdown_args filter-hook . WP 2.8.0

Filters the arguments for the Categories widget drop-down.

Usage

add_filter( 'widget_categories_dropdown_args', 'filter_function_name_1945', 10, 2 );
function filter_function_name_1945( $cat_args, $instance ){
	// filter...

	return $cat_args;
}
$cat_args(array)
An array of Categories widget drop-down arguments.
$instance(array)
Array of settings for the current widget.

Notes

  • Since 4.9.0 Added the $instance parameter.

Where the hook is called

WP_Widget_Categories::widget()
widget_categories_dropdown_args
wp-includes/widgets/class-wp-widget-categories.php 89
wp_dropdown_categories( apply_filters( 'widget_categories_dropdown_args', $cat_args, $instance ) );

Where the hook is used (in WP core)

Does not used.