Generate random Coupon Codes for Easy Digital Downloads

edd-discount-codes.php

<?php

$amountOfCoupons = 10;
$minLength = 8;
$maxLength = 14;

// From StackOverflow https://stackoverflow.com/a/13212994
function generateRandomString( $length = 10 ) {
    $x = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';

    return substr( str_shuffle( str_repeat( $x, ceil( $length / strlen( $x ) ) ) ), 1, $length );
}

function generateRandomCouponCodes( $amount = 10, $minLength = 8, $maxLength = 14 ) {
    for ($i = 1; $i <= $amount; $i++) {
        edd_store_discount([
            'code' => generateRandomString( rand( $minLength, $maxLength ) ),
            'name' => "Coupon Test {$i}",
            'amount' => rand( 3, 100 )
        ]);
    }
}

generateRandomCouponCodes();