Don’t allow PO BOX shipping

Note: We are unable to provide support for customizations under our Support Policy. If you need to customize a snippet or extend its functionality, we recommend working with a Woo Agency Partner or finding a WooCommerce developer on Codeable.

You need to add this code to your child theme’s functions.php file or via a plugin that allows custom functions to be added, such as the Code snippets plugin. Please don’t add custom code directly to your parent theme’s functions.php file as this will be wiped entirely when you update the theme.

	/**
	* Prevent PO box shipping
	*/
	add_action('woocommerce_after_checkout_validation', 'deny_pobox_postcode');

	function deny_pobox_postcode( $posted ) {
	global $woocommerce;

	$address = ( isset( $posted['shipping_address_1'] ) ) ? $posted['shipping_address_1'] : $posted['billing_address_1'];
	$postcode = ( isset( $posted['shipping_postcode'] ) ) ? $posted['shipping_postcode'] : $posted['billing_postcode'];

	$replace = array(" ", ".", ",");
	$address = strtolower( str_replace( $replace, '', $address ) );
	$postcode = strtolower( str_replace( $replace, '', $postcode ) );

	if ( strstr( $address, 'pobox' ) \|\| strstr( $postcode, 'pobox' ) ) {
	wc_add_notice( sprintf( __( "Sorry, we cannot ship to PO BOX addresses.") ) ,'error' );
	}
	}

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