PHP를 사용하여 맞춤형 WordPress 플러그인 개발

<?php
/*
Plugin Name: My Contact Form
Plugin URI: http://mywebsite.com/
Description: A simple contact form plugin
Version: 1.0
Author: John Doe
Author URI: http://mywebsite.com/
*/

// Our plugin's code will go here.

<?php
/*
Plugin Name: My Contact Form
Plugin URI: http://mywebsite.com/
Description: A simple contact form plugin
Version: 1.0
Author: John Doe
Author URI: http://mywebsite.com/
*/

function my_contact_form_shortcode() {
    // Code to create the contact form
}

add_shortcode( 'my_contact_form', 'my_contact_form_shortcode' );

<?php
function my_contact_form_shortcode() {

    $output = '';

    // Check if the submitted form isset
    if( isset( $_POST['my_contact_submit_button'] ) ) {
        // Sanitize the submitted data
        $name = sanitize_text_field( $_POST['my_contact_name'] );
        $email = sanitize_email( $_POST['my_contact_email'] );
        $message = esc_textarea( $_POST['my_contact_message'] );

        // Send the email
        $to = 'myemail@example.com';
        $subject = 'New Contact Form Submission';
        $body = "Name: $name 

Email: $email 

Message: $message";
        $headers = array('From: ' . $name . ' <' . $email . '>');
        wp_mail( $to, $subject, $body, $headers );

        // Set a confirmation message
        $output = '<p style="color: green;">Your message has been sent.</p>';
    }
    else {
        // Display the contact form
        $output .= '<form method="post">
            <p>
                <label for="my_contact_name">Name</label><br/>
                <input type="text" name="my_contact_name" required>
            </p>
            <p>
                <label for="my_contact_email">Email</label><br/>
                <input type="email" name="my_contact_email" required>
            </p>
            <p>
                <label for="my_contact_message">Message</label><br/>
                <textarea name="my_contact_message" required></textarea>
            </p>
            <p>
                <input type="submit" name="my_contact_submit_button" value="Submit">
            </p>
        </form>';
    }

    return $output;

}

<?php
/*
Plugin Name: My Contact Form
Plugin URI: http://mywebsite.com/
Description: A simple contact form plugin
Version: 1.0
Author: John Doe
Author URI: http://mywebsite.com/
*/

function my_contact_form_shortcode() {
  // Code to create the contact form
}

add_shortcode( 'my_contact_form', 'my_contact_form_shortcode' );

function my_contact_form_scripts() {
  wp_enqueue_style( 'my-contact-form', plugins_url( 'my-contact-form/css/style.css' ) );
}
add_action('wp_enqueue_scripts', 'my_contact_form_scripts');

require_once( plugin_dir_path( __FILE__ ) . 'contact-form.php' );