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I’m getting the following error when testing as a new (not logged-in) user. I added 1 item to the cart and went straight to the cart page.
Warning: Trying to access array offset on value of type null in C:\xampp\htdocs\speciaalbierwebshop\wp-content\plugins\wt-smart-coupons-for-woocommerce\public\class-wt-smart-coupon-public.php
The particular line of code:
$chosen_shipping = $chosen_shipping_methods[0];
I suspect the error is thrown as no shipping method has been selected yet. I have set Woocommerce to hide shipping cost until an address has been input. No customized code, just the regular shipping option.
I have solved this temporarily by adding an if statement.
if ( isset($chosen_shipping_methods[0])) {
$chosen_shipping = $chosen_shipping_methods[0];
$chosen_shipping = substr($chosen_shipping, 0, strpos($chosen_shipping, “:”));
if (!in_array($chosen_shipping, $coupon_shipping_method_ids)) {
$valid = false;
}
if ( ! $valid ) {
throw new Exception( __( ‘Sorry, this coupon is not applicable to selected shipping method’, ‘wt-smart-coupons-for-woocommerce’ ), 109 );
}
}
}`