widget_custom_html_content filter-hook . WP 4.8.1

Filters the content of the Custom HTML widget.

Usage

add_filter( 'widget_custom_html_content', 'filter_function_name_2537', 10, 3 );
function filter_function_name_2537( $content, $instance, $this ){
	// filter...

	return $content;
}

$content(string)

The widget content.

$instance(array)

Array of settings for the current widget.

$this(WP_Widget_Custom_HTML)

Current Custom HTML widget instance.

Where the hook is called

$content = apply_filters( 'widget_custom_html_content', $content, $instance, $this );

Where the hook is used (in WP core)