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

Parameters

$mce_buttonsarray

First-row list of buttons.

$editor_idstring

Unique editor identifier, e.g. 'content'. Accepts 'classic-block' when called from block editor’s Classic block.

More Information

See other relevant mce_buttons hooks:

• mce_buttons
• mce_buttons_2
• mce_buttons_3
• mce_buttons_4

Source

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

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Changelog