sv-wc-authorize-net-cim-set-dummy-postcode.php

<?php // Remove if not needed

/**
 * Sets a dummy postcode if required by the CIM payment processor.
 */
function sv_wc_authorize_net_cim_set_uae_postcode( $data ) {

	if ( ! empty( $data['billing_country'] ) && 'AE' === $data['billing_country'] ) {
		$data['billing_postcode'] = '00000';
	}

	if ( ! empty( $data['shipping_country'] ) && 'AE' === $data['shipping_country'] ) {
		$data['shipping_postcode'] = '00000';
	}

	return $data;
}
add_filter( 'woocommerce_checkout_posted_data', 'sv_wc_authorize_net_cim_set_uae_postcode' );