Adjust Variable Pricing Add On Text for recurring levels.

pmpro-variable-pricing-recurring-text.php

<?php
/**
 * Add recurring text after Variable Pricing text.
 * Tweak the wording for your needs.
 * 
 * To add this code to your site please visit - https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 */
function my_pmpro_vp_text_adjustment( $text ) {
	$level = pmpro_getLevelAtCheckout();
	
	// We don't need to show extra information if there is no billing amount and assume a one time charge.
	if ( $level->billing_amount == 0 ) {
		return $text;
	}

	// Add some text afterwards to say that the user will be charged recurring.
	if ( $level->cycle_number > 1 ) {
		$text .= ' You will be charged every ' . $level->cycle_number . ' ' . $level->cycle_period . '.'; // i.e. You will be charged every 3 Months.
	} else {
		$text .= ' You will be charged every ' . $level->cycle_period . '.'; // i.e. You will be charged every month.
	}

	return $text;
}
add_filter( 'pmpropvp_checkout_price_description', 'my_pmpro_vp_text_adjustment' );