Add Font Family and Custom Font Size Options to TinyMCE

add_font_family_and_size.php

<?php // Ignore this first line when copying to your child theme's functions.php file.

// Turn on font size & font family selects in the classic editor.
add_filter( 'mce_buttons_2', function( $buttons ) {
	array_unshift( $buttons, 'fontselect' );
	array_unshift( $buttons, 'fontsizeselect' );
	return $buttons;
} );

/**
 * You can add the PHP code snippet to your child theme's functions.php file
 * or with third-party plugins such as My Custom Functions and Code Snippets.
 *
 * Learn more:
 * - https://docs.wppopupmaker.com/article/552-getting-started-with-custom-php
 */

gistfile1.txt

<?php // Ignore this first line when copying to your child theme's functions.php file.

// Customize the classic editor font size dropdown.
add_filter( 'tiny_mce_before_init', function( $init_array ) {
    $init_array['fontsize_formats'] = "9px 10px 12px 13px 14px 16px 18px 21px 24px 28px 32px 36px";
    return $init_array;
} );

/**
 * You can add the PHP code snippet to your child theme's functions.php file
 * or with third-party plugins such as My Custom Functions and Code Snippets.
 *
 * Learn more:
 * - https://docs.wppopupmaker.com/article/552-getting-started-with-custom-php
 */