tc-allow-acf-content.php

<?php
/**
 * Plugin Name:     Allow ACF Content
 * Plugin URI:      https://develop.tadpole.cc/plugins/tc-allow-acf-content
 * Description:     Allow unfiltered ACF Content
 * Author:          Kevin Cristiano
 * Text Domain:     tc-allow-acf-content
 * Domain Path:     /languages
 * Version:         0.1.0
 *
 * @package         Tc_Acf_Allow_Content
 */

/**
* Add filter to enable ACF escaping for testing
* This will be the default in 6.2.7+
*/
add_filter( 'acf/the_field/escape_html_optin', '__return_true' );

/**
* Add filter to allow unfiltered HTML for the_field based on https://www.advancedcustomfields.com/blog/acf-6-2-5-security-release/#conditionally-disabling-the-new-behavior
* Change selector to ACF field slug
* Add one filter for each field
*/
add_filter( 'acf/the_field/allow_unsafe_html', function( $allowed, $selector ) {
  if ( $selector === "intro" ) {
      return true;
  }
  return $allowed;
}, 10, 2);

/**
* Add filter to allow unfiltered HTML for ACF Shortcodes based on https://www.advancedcustomfields.com/blog/acf-6-2-5-security-release/#conditionally-disabling-the-new-behavior
* Change $atts['field'] to ACF Field Slug
* * Add one filter for each shortcode
*/
add_filter( 'acf/shortcode/allow_unsafe_html', function ( $allowed, $atts ) {
    if ( $atts['field'] === 'podcast_iframe' ) {
        return true;
    }
    return $allowed;
}, 10, 2 );