Configure the default WordPress TinyMCE behaviour, defaults and buttons

tiny-mce.php

<?php



defined( 'ABSPATH' ) or die();



$lumpy_lemon_tiny_mce = new lumpy_lemon_tiny_mce;



class lumpy_lemon_tiny_mce {



	function __construct() {

		add_filter( 'mce_buttons',          [ $this, 'buttons' ] );
		add_filter( 'mce_buttons_2',        [ $this, 'empty_array' ] );
		add_filter( 'mce_buttons_3',        [ $this, 'empty_array' ] );
		add_filter( 'mce_buttons_4',        [ $this, 'empty_array' ] );
		add_filter( 'tiny_mce_before_init', [ $this, 'defaults' ] );

	}



	function empty_array() {

		return [];

	}



	function buttons( $buttons ) {

		return [
			'removeformat',
			'pastetext',
			'formatselect',
			'italic',
			'bold',
			'alignleft',
			'aligncenter',
			'alignright',
			'bullist',
			'numlist',
			'blockquote',
			'link',
			'unlink'
		];

	}



	function defaults( $init ) {

		$init['block_formats'] = 'Paragraph=p;Heading 1=h1;Heading 2=h2;Heading 3=h3';
		$init['paste_as_text'] = true;

		return $init;

	}



} // class lumpy_lemon_tiny_mce