PHP Decode

<?php 
/** 
 * Plugin Name: Custom License Activation 
 * Description: A plugin to search and activate licenses and display product details 
 * Version: 1.2 
 * Author: Your Name 
 */ 
 
if (!defined('ABSPATH')) { 
    exit; // Prevent direct access 
} 
 
session_start(); // Start session 
 
// Add shortcode for the license search form 
function license_search_form_handler() { 
    ob_start(); 
    ?> 
    <form action="" method="post" class="form-license"> 
        <div style="width: 82%;"> 
             <input type="text" id="license_code" name="license_code" required> 
        </div> 
 
        <button type="submit" name="submit_license" style="border-radius: 15px;">Search &amp; Activate License</button> 
    </form> 
 
    <div class="product-info"> 
        <?php  
        if (!empty($_SESSION['product_info'])) { 
            echo $_SESSION['product_info']; 
            unset($_SESSION['product_info']); // Clear product info after displaying 
        } 
        ?> 
    </div> 
 
    <style> 
        .form-license { 
            display: flex; 
            margin: auto; 
            justify-content: space-evenly; 
            gap: 10px;             
        } 
        @media only screen and (max-width: 600px) { 
            .form-license { 
                flex-direction: column; 
            } 
            .form-license div { 
                width: 100% !important; 
            } 
        } 
 
        .product-info img { 
            max-width: 200px; 
            display: block; 
            margin: auto; 
        } 
       @media only screen and (min-width: 600px) { 
            .form-license { 
                flex-direction: column; 
            } 
            .form-license div { 
                width: 100% !important; 
            } 
            .custome-container { 
            display: grid; 
          } 
            .stamp { 
             font-size: 3rem!important; 
            } 
        } 
        .custome-container { 
            direction: rtl; 
            grid-template-areas: 
                "header header" 
                "menu content" 
                "footer footer"; 
            grid-template-columns: 4fr 1fr; 
            gap: 5px; 
            padding: 5px; 
            align-items: center; 
        } 
 
        h3.header { 
            text-align: left; 
            border-bottom: 2px solid #e4e4e440; 
            padding-bottom: 10px; 
            font-size: 25px; 
        } 
 
        .license-message { 
            margin-top: 10px; 
            padding: 8px; 
            border-radius: 5px; 
            font-weight: bold; 
            text-align: center; 
        } 
         .stamp { 
	 transform: rotate(0deg); 
	 /*color: #555;*/ 
	 font-size: 1.5rem; 
	 font-weight: 700; 
	 display: inline-block; 
	 padding: 0.25rem 1rem; 
	 text-transform: uppercase; 
	 border-radius: 1rem; 
	 font-family: 'Courier'; 
	 -webkit-mask-image: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/8399/grunge.png'); 
	 -webkit-mask-size: 944px 604px; 
	 /*mix-blend-mode: multiply;*/ 
}  
    </style> 
 
    <?php 
    return ob_get_clean(); 
} 
add_shortcode('license_search_form', 'license_search_form_handler'); 
 
// Process license activation and retrieve product details 
function process_license_activation() { 
    if (isset($_POST['submit_license']) && !empty($_POST['license_code'])) { 
        $license_code = sanitize_text_field($_POST['license_code']);  
 
        $query = array('license_key' => $license_code); 
        $licenses = lmfwc_get_licenses($query); 
 
        if (!empty($licenses)) { 
            $license = reset($licenses);  
            $license_id = $license->getId(); 
            $product_id = $license->getProductId();  
 
            if ($license->getTimesActivated() == 0 || $license->getTimesActivated() == null) { 
                $activation_args = array( 
                    'source' => 'custom_form',  
                    'ip_address' => 'custom_form',  
                    'user_agent' => 'custom_form',  
                    'label' => 'Custom Activation',  
                    'meta_data' => array( 
                        'extra_info' => 'Activated via custom form',  
                    ) 
                ); 
 
                $activation_result = lmfwc_activate_license($license_code, $activation_args); 
                if (is_wp_error($activation_result)) { 
                    $_SESSION['license_message'] = '<div style="color: red;">Error: ' . $activation_result->get_error_message() . '</div>'; 
                } else { 
                    $_SESSION['license_message'] = '<div style="color: green;border: 0.25rem solid green;border-radius: 20px;">License successfully activated</div>'; 
                } 
 
                LicenseManagerForWooCommerce\Repositories\Resources\License::instance()->updateBy( 
                    array('id' => $license_id), 
                    array('times_activated' => 1) 
                ); 
                LicenseManagerForWooCommerce\Repositories\Resources\License::instance()->update( 
                    $license_id, 
                    array('status' => 1) 
                ); 
 
            } else { 
                $_SESSION['license_message'] = '<div style="color: orange;border: 0.25rem solid orange;border-radius: 20px;">This license is already active</div>'; 
            } 
 
            // Retrieve product details based on Product ID 
            if (!empty($product_id)) { 
                $product = wc_get_product($product_id); 
                if ($product) { 
                    $product_title = $product->get_name(); 
                    $product_desc = $product->get_description(); 
                    $product_price = $product->get_price(); 
                    $product_image = get_the_post_thumbnail_url($product_id, 'medium'); 
                    $product_link = get_permalink($product_id); 
 
                    $_SESSION['product_info'] = ' 
                        <div class="custome-container" style="border: 1px solid #ececec5e; padding: 15px; text-align: center; border-radius: 15px;"> 
                            <h3 class="header">' . esc_html($product_title) . '</h3> 
                            <p class="header" style="color: white; font-weight: bold;">License Code: ' . esc_html($license_code) . '</p> 
                            <div class="license-message stamp is-approved">' . $_SESSION['license_message'] . '</div> 
                            <img class="menu" src="' . esc_url($product_image) . '" alt="' . esc_attr($product_title) . '"> 
                        </div>'; 
                     
                    unset($_SESSION['license_message']); // Clear license message after displaying 
                } else { 
                    $_SESSION['product_info'] = '<div style="color: red;">Product not found!</div>'; 
                } 
            } 
        } else { 
            $_SESSION['license_message'] = '<div style="color: red;">License not found!</div>'; 
        } 
 
        wp_redirect($_SERVER['REQUEST_URI']); // Redirect back to the same page to display messages 
        exit(); 
    } 
} 
add_action('init', 'process_license_activation'); 
 ?>