Filters the third-row list of TinyMCE buttons (Visual tab).
$mce_buttons_3array$editor_idstringwp-includes/class-wp-editor.php:721_WP_Editors::editor_settings()wp-includes/script-loader.php:601wp_tinymce_inline_scripts()<?php * @since 3.3.0 The `$editor_id` parameter was added. * * @param array $mce_buttons_3 Third-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. */ $mce_buttons_3 = apply_filters( 'mce_buttons_3', array(), $editor_id ); /** * Filters the fourth-row list of TinyMCE buttons (Visual tab). * * @since 2.5.0 * @since 3.3.0 The `$editor_id` parameter was added.Introduced in 2.0.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.