Filters the second-row list of TinyMCE buttons (Visual tab).
Parameters
$mce_buttons_2array- Second-row list of buttons.
$editor_idstring- Unique editor identifier, e.g.
'content'. Accepts'classic-block'when called from block editor’s Classic block.
Source
$mce_buttons_2 = apply_filters( 'mce_buttons_2', $mce_buttons_2, $editor_id );
Example Migrated from Codex:
The example below will reveal the hidden “Styles” dropdown in the advanced toolbar.
Example Migrated from Codex:
The example below will remove the text color selector from the advanced toolbar.
Or, if you want to remove more buttons at the same time: