mce_buttons filter-hook . WP 2.0.0

Filters the first-row list of TinyMCE buttons (Visual tab).

Usage

add_filter( 'mce_buttons', 'filter_function_name_4079', 10, 2 );
function filter_function_name_4079( $buttons, $editor_id ){
	// filter...

	return $buttons;
}

$buttons(array)

First-row list of buttons.

$editor_id(string)

Unique editor identifier, e.g. 'content'.

Where the hook is called

$mce_buttons = apply_filters( 'mce_buttons', $mce_buttons, $editor_id );

$toolbar1 = apply_filters( 'mce_buttons', $toolbar1, 'classic-block' );

Where the hook is used (in WP core)