PMPro Register Helper Customizations for donteatthat Thread

donteatthat_pmpro_checkout_level.php

<?php
/**
 * Custom Register Helper fields for donteatthat thread on price-adjusting fields.
 */
function donteatthat_pmprorh_init() {
 	// Don't break if Register Helper is not loaded.
 	if ( ! function_exists( 'pmprorh_add_registration_field' ) ) {
 		return false;
 	}

 	$fields = array();
 	$fields[] = new PMProRH_Field(
 		'company_type',
 		'radio',
 		array(
 			'label' => 'Company Type',
			'levels' => 1,
 			'memberslistcsv' => true,
			'options' => array(
				'B1' => 'B1 (+ $10/mo.)',
				'B2' => 'B2 (+ $20/mo.)',
				'B3' => 'B3 (+ $30/mo.)',
				'B4' => 'B4 (+ $40/mo.)',
				'B5' => 'B5 (+ $50/mo.)',
			),
 			'profile' => 'admin_only',
			'readonly'	=> 'true',
 	) );
	$fields[] = new PMProRH_Field(
 		'guidance',
 		'radio',
 		array(
 			'label' => 'Guidance',
			'levels' => 1,
 			'memberslistcsv' => true,
			'options' => array(
				'G1' => 'G1 (+ $80/mo.)',
				'G2' => 'G2 (+ $90/mo.)',
			),
 			'profile' => 'admin_only',
			'readonly'	=> 'true',
 	) );

 	// Add the fields in the appropriate spot based on the page.
	foreach ( $fields as $field ) {
		pmprorh_add_registration_field( 'checkout_boxes', $field );
	}
 }
 add_action( 'init', 'donteatthat_pmprorh_init' );

function donteatthat_pmpro_checkout_level( $level ) {

	// Get the user selections for Company Type and Guidance.
	if ( ! empty( $_REQUEST['company_type'] ) ) {
		$company_type = $_REQUEST['company_type'];
	}
	if ( ! empty( $_REQUEST['guidance'] ) ) {
		$guidance = $_REQUEST['guidance'];
	}

	// Modify price based on Company Type selected.
	if ( ! empty( $company_type ) ) {
		if ( $company_type === 'B1' ) {
			// Increase price by $10 per month.
			$level->initial_payment = $level->initial_payment + 10;
			$level->billing_amount = $level->billing_amount + 10;
		} elseif ( $company_type === 'B2' ) {
			// Increase price by $20 per month.
			$level->initial_payment = $level->initial_payment + 20;
			$level->billing_amount = $level->billing_amount + 20;
		} elseif ( $company_type === 'B3' ) {
			// Increase price by $30 per month.
			$level->initial_payment = $level->initial_payment + 30;
			$level->billing_amount = $level->billing_amount + 30;
		} elseif ( $company_type === 'B4' ) {
			// Increase price by $40 per month.
			$level->initial_payment = $level->initial_payment + 40;
			$level->billing_amount = $level->billing_amount + 40;
		} elseif ( $company_type === 'B5' ) {
			// Increase price by $50 per month.
			$level->initial_payment = $level->initial_payment + 50;
			$level->billing_amount = $level->billing_amount + 50;
		}
	}

	// Modify price based on Guidance selected.
	if ( ! empty( $guidance ) ) {
		if ( $guidance === 'G1' ) {
			// Increase price by $80 per month.
			$level->initial_payment = $level->initial_payment + 80;
			$level->billing_amount = $level->billing_amount + 80;
		} elseif ( $guidance === 'G2' ) {
			// Increase price by $90 per month.
			$level->initial_payment = $level->initial_payment + 90;
			$level->billing_amount = $level->billing_amount + 90;
		}
	}

	return $level;
}
add_filter( 'pmpro_checkout_level', 'donteatthat_pmpro_checkout_level' );