\n<?php\r\n\/**\r\n * Plugin Name: llms.txt Generator\r\n * Description: Production-grade llms.txt generator to control how AI systems use website content.\r\n * Version: 1.0.0\r\n * Author: Simplileap\r\n *\/\r\n\r\ndefined('ABSPATH') || exit;\r\n\r\n\/**\r\n * -------------------------------------------------\r\n * 1. Register rewrite rule for \/llms.txt\r\n * -------------------------------------------------\r\n *\/\r\nadd_action('init', function () {\r\n add_rewrite_rule(\r\n '^llms\\.txt$',\r\n 'index.php?llms_txt=1',\r\n 'top'\r\n );\r\n});\r\n\r\n\/**\r\n * -------------------------------------------------\r\n * 2. Register query var\r\n * -------------------------------------------------\r\n *\/\r\nadd_filter('query_vars', function ($vars) {\r\n $vars[] = 'llms_txt';\r\n return $vars;\r\n});\r\n\r\n\/**\r\n * -------------------------------------------------\r\n * 3. Serve llms.txt\r\n * -------------------------------------------------\r\n *\/\r\nadd_action('template_redirect', function () {\r\n if (get_query_var('llms_txt')) {\r\n header('Content-Type: text\/plain; charset=utf-8');\r\n header('Cache-Control: public, max-age=3600');\r\n\r\n echo llms_txt_generate_content();\r\n exit;\r\n }\r\n});\r\n\r\n\/**\r\n * -------------------------------------------------\r\n * 4. Generate llms.txt content\r\n * -------------------------------------------------\r\n *\/\r\nfunction llms_txt_generate_content() {\r\n $options = get_option('llms_txt_settings', [\r\n 'ai_train' => 'no',\r\n 'ai_input' => 'yes',\r\n 'ai_output' => 'limited',\r\n ]);\r\n\r\n $lines = [\r\n '# llms.txt \u2013 AI Usage Policy',\r\n '# Generated by WordPress',\r\n '',\r\n 'ai-train: ' . sanitize_text_field($options['ai_train']),\r\n 'ai-input: ' . sanitize_text_field($options['ai_input']),\r\n 'ai-output: ' . sanitize_text_field($options['ai_output']),\r\n ];\r\n\r\n return implode(\"\\n\", $lines) . \"\\n\";\r\n}\r\n\r\n\/**\r\n * -------------------------------------------------\r\n * 5. Plugin activation \/ deactivation\r\n * -------------------------------------------------\r\n *\/\r\nregister_activation_hook(__FILE__, function () {\r\n flush_rewrite_rules();\r\n});\r\n\r\nregister_deactivation_hook(__FILE__, function () {\r\n flush_rewrite_rules();\r\n});\r\n\r\n\/**\r\n * -------------------------------------------------\r\n * 6. Admin menu\r\n * -------------------------------------------------\r\n *\/\r\nadd_action('admin_menu', function () {\r\n add_options_page(\r\n 'llms.txt Settings',\r\n 'llms.txt',\r\n 'manage_options',\r\n 'llms-txt',\r\n 'llms_txt_settings_page'\r\n );\r\n});\r\n\r\n\/**\r\n * -------------------------------------------------\r\n * 7. Register settings\r\n * -------------------------------------------------\r\n *\/\r\nadd_action('admin_init', function () {\r\n register_setting('llms_txt_group', 'llms_txt_settings');\r\n\r\n add_settings_section(\r\n 'llms_txt_main',\r\n 'AI Usage Policy',\r\n '__return_false',\r\n 'llms-txt'\r\n );\r\n\r\n add_settings_field('ai_train', 'Allow AI Training', 'llms_txt_field_ai_train', 'llms-txt', 'llms_txt_main');\r\n add_settings_field('ai_input', 'Allow AI Input', 'llms_txt_field_ai_input', 'llms-txt', 'llms_txt_main');\r\n add_settings_field('ai_output', 'AI Output Usage', 'llms_txt_field_ai_output', 'llms-txt', 'llms_txt_main');\r\n});\r\n\r\n\/**\r\n * -------------------------------------------------\r\n * 8. Settings fields\r\n * -------------------------------------------------\r\n *\/\r\nfunction llms_txt_field_ai_train() {\r\n $options = get_option('llms_txt_settings');\r\n ?>\r\n <select name=\"llms_txt_settings[ai_train]\">\r\n <option value=\"no\" <?php selected($options['ai_train'] ?? '', 'no'); ?>>No<\/option>\r\n <option value=\"yes\" <?php selected($options['ai_train'] ?? '', 'yes'); ?>>Yes<\/option>\r\n <\/select>\r\n <?php\r\n}\r\n\r\nfunction llms_txt_field_ai_input() {\r\n $options = get_option('llms_txt_settings');\r\n ?>\r\n <select name=\"llms_txt_settings[ai_input]\">\r\n <option value=\"yes\" <?php selected($options['ai_input'] ?? '', 'yes'); ?>>Yes<\/option>\r\n <option value=\"no\" <?php selected($options['ai_input'] ?? '', 'no'); ?>>No<\/option>\r\n <\/select>\r\n <?php\r\n}\r\n\r\nfunction llms_txt_field_ai_output() {\r\n $options = get_option('llms_txt_settings');\r\n ?>\r\n <select name=\"llms_txt_settings[ai_output]\">\r\n <option value=\"limited\" <?php selected($options['ai_output'] ?? '', 'limited'); ?>>Limited<\/option>\r\n <option value=\"yes\" <?php selected($options['ai_output'] ?? '', 'yes'); ?>>Allowed<\/option>\r\n <option value=\"no\" <?php selected($options['ai_output'] ?? '', 'no'); ?>>Not Allowed<\/option>\r\n <\/select>\r\n <?php\r\n}\r\n\r\n\/**\r\n * -------------------------------------------------\r\n * 9. Settings page UI\r\n * -------------------------------------------------\r\n *\/\r\nfunction llms_txt_settings_page() {\r\n ?>\r\n <div class=\"wrap\">\r\n <h1>llms.txt Settings<\/h1>\r\n <p>Control how AI systems and large language models use your website content.<\/p>\r\n\r\n <form method=\"post\" action=\"options.php\">\r\n <?php\r\n settings_fields('llms_txt_group');\r\n do_settings_sections('llms-txt');\r\n submit_button();\r\n ?>\r\n <\/form>\r\n\r\n <hr>\r\n\r\n <h2>Preview<\/h2>\r\n <pre style=\"background:#f7f7f7;padding:12px;border:1px solid #ddd;\">\r\n<?php echo esc_html(llms_txt_generate_content()); ?>\r\n <\/pre>\r\n\r\n <p>\r\n File URL:\r\n <code><?php echo esc_url(home_url('\/llms.txt')); ?><\/code>\r\n <\/p>\r\n <\/div>\r\n <?php\r\n}<\/pre>\n<\/code><\/pre>\n\t\t\t<\/div>\n <\/div><\/strong>
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<\/p>\n