Add multiple Custom Fields to Email for Paid Memberships Pro with Attributes.

multiple-custom-fields-for-email-checkout-pmpro.php

<?php
/**
 * Add this code (line 8-32) to your PMPro Customizations Plugin.
 * Inside your checkout email for members/admins, add any attributes and it will replace the value if there is a value available.
 * E.g Your number is !!mobile!!, see line 24 for all available attributes to use in Email Template Admin Editor
 */
 
 function my_pmpro_email_body( $body, $email ) {
	//only checkout emails
	if ( false !== strpos( $email->template, "checkout" ) ) {

		// Get the user first.
		$user = get_user_by( 'email', $email->data['user_email'] );

		// Get all custom fields for user checkout.
		$mobile = get_user_meta( $user->ID, 'Mobile', true );
		$dob = get_user_meta( $user->ID, 'dob', true );
		$my_nickname = get_user_meta( $user->ID, 'my_nickname', true );
		$mail_format = get_user_meta( $user->ID, 'mail_format', true );
		$appropriate = get_user_meta( $user->ID, 'appropriate', true );
		$hear_about_us = get_user_meta( $user->ID, 'hear_about_us', true );

		//Create an array of attributes, this will act as needle.
		$attributes = array('!!mobile!!', '!!dob!!', '!!nickname!!', '!!mail_format!!', '!!appropriate!!', '!!hear_about_us!!');
		$replaced_values = array( $mobile, $dob, $my_nickname, $mail_format, $appropriate, $hear_about_us );

		$body = str_replace( $attributes, $replaced_values, $body );
	}
 
	return $body;
}
add_filter( "pmpro_email_body", "my_pmpro_email_body", 10, 2 );