Eliminate a payment gateway on cart conditions

Eliminates a payment gateway when cart contains an item with a fractional quantity. Useful for gateways that can’t handle fractional quantities like PayPal.

add_filter( 'woocommerce_available_payment_gateways', function( $available_gateways ) {

	// Skip Admin Area
	if( is_admin() ) {
		return $available_gateways;
	}

	// Loop Cart Items
	foreach( WC()->cart->get_cart() as $cart_item_key => $cart_item ) {

		// Detect Fractional Quantity
		if( strpos( $cart_item['quantity'], '.' ) ) {

			// Found One, Remove PayPal And Stop Checking
			unset( $available_gateways['paypal'] );
			break;

		}

	}

	// Default
	return $available_gateways;

} );

How to use

PHP Code Snippets

  1. Log into a staging, development, or locally hosted clone of your site
  2. Install and activate Code Snippets
  3. WP Admin > Snippets > Add New
  4. Copy and paste the code from the Description tab above
  5. Check to ensure formatting came over properly and no syntax errors show up in the editor
  6. Customize the code as desired
  7. Add a meaningful title
  8. Select whether to run on front-end or back-end (or both)
  9. Click “Save and Activate”
  10. Test your site to ensure it works
  11. Disable if any problems, or recover
  12. Repeat for live environment

License

All code snippets are licensed GPLv2 (or later) matching WordPress licensing.

Disclaimer of warranty:

Except when otherwise stated in writing the copyright holders and/or other parties provide the program as-is without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.

Support

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  2. Describe your expected outcome(s).
  3. List steps to reproduce the issue.
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