How to add online payment functionality to WordPress plugin
Sep 05, 2023 pm 04:19 PM
How to add online payment function to WordPress plug-in
With the rapid development of the e-commerce industry, adding online payment function to the website has become a key need. For those who use WordPress as a website development platform, there are many ready-made plugins that can help them achieve this goal. This article will introduce how to add online payment functionality to WordPress plug-in and provide code samples for reference.
- Determine the payment interface
Before adding the online payment function, you must first determine the payment interface to be used. There are many payment interfaces to choose from on the market, such as PayPal, Stripe, Alipay, etc. Choose the appropriate payment interface according to the needs of your website and target users. - Download and install the payment plug-in
After determining the payment interface, be sure to choose a reliable and certified payment plug-in. You can find optional plug-ins in the official WordPress plug-in library or on some well-known third-party developer websites. Download and install the selected payment plugin. - Configuring the payment plug-in
After the installation is completed, enter the WordPress backend management interface, find the plug-in and configure it accordingly. Set the merchant account information, payment method, currency unit, etc. of the payment interface according to the documentation or configuration wizard provided by the plug-in.
The following is a code example that demonstrates how to use the Stripe plug-in to add credit card payment functionality:
// 添加Stripe API密鑰
function add_stripe_api_key( $api_key ) {
$api_key = 'YOUR_STRIPE_API_KEY';
return $api_key;
}
add_filter( 'stripe_payment_gateway_api_key', 'add_stripe_api_key' );
// 添加信用卡支付表單
function add_credit_card_form() {
// 獲取Stripe支付表單html代碼
$credit_card_form = stripe_payment_request_form( array(
'type' => 'card',
'button_name' => '立即支付',
'description' => '購買商品',
'currency' => 'USD',
'amount' => '99.00',
) );
// 顯示支付表單
echo $credit_card_form;
}
add_shortcode( 'stripe_credit_card_form', 'add_credit_card_form' );In the above code, the add_stripe_api_key() function is used to add Stripe's API key, add_credit_card_form() function is used to display the credit card payment form. You can use the [stripe_credit_card_form] shortcode to display a payment form on any page or post on your website by adding the code to your WordPress theme’s functions.php file.
- Test the payment function
After completing the configuration, be sure to test the payment function to ensure that users can complete the payment process normally. In the test, use a real payment account to simulate payment and verify whether the payment result is correct.
Summary
Adding online payment functionality to WordPress plug-ins can add more business value to the website. By choosing the right payment interface and using a reliable payment plugin, along with the steps in the code example, you can easily add online payment functionality to your WordPress site. Remember, before doing any configuration or testing, back up your site just in case. I wish you success!
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