How to Create a WooCommerce Payment Gateway Plugin

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Tue Oct 18 2022 05:35:43 GMT+0000 (Coordinated Universal Time)

Saved by @Jurgen #php

/*
 * This action hook registers our PHP class as a WooCommerce payment gateway
 */
add_filter( 'woocommerce_payment_gateways', 'misha_add_gateway_class' );
function misha_add_gateway_class( $gateways ) {
	$gateways[] = 'WC_Misha_Gateway'; // your class name is here
	return $gateways;
}

/*
 * The class itself, please note that it is inside plugins_loaded action hook
 */
add_action( 'plugins_loaded', 'misha_init_gateway_class' );
function misha_init_gateway_class() {

	class WC_Misha_Gateway extends WC_Payment_Gateway {

 		/**
 		 * Class constructor, more about it in Step 3
 		 */
 		public function __construct() {

		...

 		}

		/**
 		 * Plugin options, we deal with it in Step 3 too
 		 */
 		public function init_form_fields(){

		...
	
	 	}

		/**
		 * You will need it if you want your custom credit card form, Step 4 is about it
		 */
		public function payment_fields() {

		...
				 
		}

		/*
		 * Custom CSS and JS, in most cases required only when you decided to go with a custom credit card form
		 */
	 	public function payment_scripts() {

		...
	
	 	}

		/*
 		 * Fields validation, more in Step 5
		 */
		public function validate_fields() {

		...

		}

		/*
		 * We're processing the payments here, everything about it is in Step 5
		 */
		public function process_payment( $order_id ) {

		...
					
	 	}

		/*
		 * In case you need a webhook, like PayPal IPN etc
		 */
		public function webhook() {

		...
					
	 	}
 	}
}
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https://rudrastyh.com/woocommerce/payment-gateway-plugin.html