Hide Fields on Checkout Form for Free Access Plans

llms-hide-checkout-fields-for-free-plan.php

<?php // Do not copy this line

// Copy from under this line and paste into your child theme's functions.php

add_filter( 'lifterlms_get_person_fields', 'llms_hide_fields_for_free_plans', 10, 2 );

function llms_hide_fields_for_free_plans( $fields, $screen ){
	
	// bail if it isn't the checkout screen
	if ( $screen != 'checkout' ){
		return $fields;
	}
	
	// get the plan ID
	$plan_id = filter_input( INPUT_GET, 'plan', FILTER_VALIDATE_INT );
	
	// bail if there's no reliable plan ID
	if( empty( $plan_id ) ){
		return $fields;
	}
	
	// get the access plan object
	$plan = new LLMS_Access_Plan( $plan_id );
	
	// see if the plan has free checkout
	$free = $plan->has_free_checkout();
	
	// bail if there's no free checkout
	if( empty( $free ) ){
		return $fields;
	}
	
	// loop through fields to hide some of them
	foreach( $fields as $array_id=>$field ){
		
		// hide address fields
		if( strpos( $field['id'], 'llms_billing_'  ) === 0 ){
			unset( $fields[$array_id] );
		}
		
		/* see https://github.com/gocodebox/lifterlms/blob/master/includes/class.llms.person.handler.php
		 * for all the available fileds that you could hide similarly
		 */
		
		//eg, phone. See: https://github.com/gocodebox/lifterlms/blob/master/includes/class.llms.person.handler.php#L201
		if( strpos( $field['id'], 'llms_phone'  ) === 0 ){
			unset( $fields[$array_id] );
		}
		// additional checks here
	}
	
	
	return $fields;
}