WordPress at a glance
filter is not described

woocommerce_gateway_icon filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_gateway_icon', 'filter_function_name_747', 10, 2 );
function filter_function_name_747( $icon, $id ){
	// filter...

	return $icon;
}
$icon
-
$id
-

Where the hook is called

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

Where in WP core the hook is used WooCommerce

Usage not found.