mce_buttons_4
Это хук WordPress - mce_buttons_4. Плагин его просто использует.
Filters the fourth-row list of TinyMCE buttons (Visual tab).
Использование
add_filter( 'mce_buttons_4', 'wp_kama_mce_buttons_4_filter', 10, 2 ); /** * Function for `mce_buttons_4` filter-hook. * * @param array $mce_buttons_4 Fourth-row list of buttons. * @param string $editor_id Unique editor identifier, e.g. 'content'. Accepts 'classic-block' when called from block editor's Classic block. * * @return array */ function wp_kama_mce_buttons_4_filter( $mce_buttons_4, $editor_id ){ // filter... return $mce_buttons_4; }
- $mce_buttons_4(массив)
- Fourth-row list of buttons.
- $editor_id(строка)
- Unique editor identifier, e.g. 'content'. Accepts 'classic-block' when called from block editor's Classic block.
Где вызывается хук
acf/includes/fields/class-acf-field-wysiwyg.php 118
4 => apply_filters( 'mce_buttons_4', array(), $editor_id ),