Allow some HTML tags when displaying textarea fields on the member directory

my-pmpromd-display-element-html.php

<?php
/**
 * Allow some HTML tags when displaying textarea fields on the member directory. 
 *
 * You can add this recipe to your site by creating a custom plugin
 * or using the Code Snippets plugin available for free in the WordPress repository.
 * Read this companion article for step-by-step directions on either method.
 * https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */
function my_pmpromd_display_element_html( $value, $element, $pu, $displayed_levels ) {
	// Set the user field names that should display as HTML here.
	$html_fields = array( 'my_textarea' );

	if ( in_array( $element, $html_fields ) ) {
		// Get the raw value directly from user metadata.
		$raw_value = get_user_meta( $pu->ID, $element, true );

		// If no value is found, return the original value.
		if ( empty( $raw_value ) ) {
			return $value;
		}

		// Allowed html tags.
		$allowed_html = array(
			'p'    => array(),
			'ul'   => array(),
			'ol'   => array(),
			'li'   => array(),
			'span' => array(),
		);

		// Replace line breaks with paragraph elements.
		$value = wpautop( $raw_value );

		// Sanitize content for allowed HTML tags.
		$value = wp_kses( $value, $allowed_html );
	}

	return $value;
}
add_filter( 'pmpromd_get_display_value', 'my_pmpromd_display_element_html', 10, 4 );