Generate a discount code for Paid Memberships Pro

generate-discount-code-pmpro.php

<?php
/**
 * Generate a discount code for Paid Memberships Pro. Call this function whenever you'd like to generate a new discount code.
 * Adjust the code accordingly for discount uses and level settings for the discount code.
 * Add this code to your PMPro Customizations Plugin  - https://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 * 
 * www.paidmembershipspro.com
 */
 
 function my_generate_pmpro_discount_code() {
	global $wpdb;

	$discount_code = array(
		"code" => pmpro_getDiscountCode(),
		"starts" => '2019-01-01',
		"expires" => '2020-12-31',
		"uses" => 5
	);

	// create the discount code first.
	$wpdb->insert(
		$wpdb->pmpro_discount_codes,
		array(
			'code' => $discount_code['code'],
			'starts' => $discount_code['starts'],
			'expires' => $discount_code['expires'],
			'uses' => $discount_code['uses']
		),
		array(
			'%s',
			'%s',
			'%s',
			'%d'
		)
	);

	// Setup level data for the discount code.
	$level = array(
		"level_id" => 2,
		"initial_payment" => 0,
		"billing_amount" => 0,
		"cycle_number" => 0,
		"cycle_period" => '',
		"billing_limit" => '',
		"trial_amount" => '',
		"trial_limit" => '',
		'expiration_number' => '',
		'expiration_period' => ''
	);


	// Get the code ID
	$SQL = "SELECT id from $wpdb->pmpro_discount_codes WHERE `code` = '" . esc_sql( $discount_code['code'] ) . "'";
	$code_id = $wpdb->get_var( $SQL );

	// Assign the discount code to a level etc.
	$wpdb->insert(
		$wpdb->pmpro_discount_codes_levels,
		array(
			'code_id' => $code_id,
			'level_id' => $level['level_id'],
			'initial_payment' => $level['initial_payment'],
			'billing_amount' => $level['billing_amount'],
			'cycle_number' => $level['cycle_number'],
			'cycle_period' => $level['cycle_period'],
			'billing_limit' => $level['billing_limit'],
			'trial_amount' => $level['trial_amount'],
			'trial_limit' => $level['trial_limit'],
			'expiration_number' => $level['expiration_number'],
			'expiration_period' => $level['expiration_period']
		),
		array(
			'%d',
			'%d',
			'%f',
			'%f',
			'%d',
			'%s',
			'%d',
			'%f',
			'%d',
			'%d',
			'%s'
		)
	);
}