WordPress at Your Fingertips
filter is not described

woocommerce_gateway_icon filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_gateway_icon', 'filter_function_name_5321', 10, 2 );
function filter_function_name_5321( $icon_html, $id ){
	// filter...

	return $icon_html;
}
$icon_html
-
$id
-

Where the hook is called

WC_Gateway_Paypal::get_icon()
woocommerce_gateway_icon
WC_Payment_Gateway::get_icon()
woocommerce_gateway_icon
woocommerce/includes/gateways/paypal/class-wc-gateway-paypal.php 164
return apply_filters( 'woocommerce_gateway_icon', $icon_html, $this->id );
woocommerce/includes/abstracts/abstract-wc-payment-gateway.php 328
return apply_filters( 'woocommerce_gateway_icon', $icon, $this->id );

Where in WP core the hook is used WooCommerce

Usage not found.