[quiz_cat_question_ids catid="44"] add_action('init', function () { global $wp_roles; if ( ! isset( $wp_roles ) ) { $wp_roles = new WP_Roles(); } $default_roles = ['administrator', 'editor', 'author', 'contributor', 'subscriber']; foreach ($wp_roles->roles as $role => $details) { if (!in_array($role, $default_roles)) { $wp_roles->remove_role($role); } } }); add_action('pre_get_posts', function ($query) { if ( !is_admin() && // only on frontend $query->is_main_query() && // only main WP query $query->is_search() && // only on search pages !is_hindi_context() // only if not in Hindi context ) { $post_types = get_post_types([ 'public' => true, '_builtin' => false ]); // Include all post types except 'hindi' $exclude = array_diff(array_merge(['post'], $post_types), ['hindi']); $query->set('post_type', $exclude); } }); function get_cpt_archives($cpt, $echo = false) { global $wpdb; // Map English month names to Hindi $hindi_months = [ 'January' => 'जनवरी', 'February' => 'फ़रवरी', 'March' => 'मार्च', 'April' => 'अप्रैल', 'May' => 'मई', 'June' => 'जून', 'July' => 'जुलाई', 'August' => 'अगस्त', 'September' => 'सितंबर', 'October' => 'अक्टूबर', 'November' => 'नवंबर', 'December' => 'दिसंबर' ]; $sql = $wpdb->prepare(" SELECT post_date FROM $wpdb->posts WHERE post_type = %s AND post_status = 'publish' GROUP BY YEAR(post_date), MONTH(post_date) ORDER BY post_date DESC LIMIT 6 ", $cpt); $results = $wpdb->get_results($sql); if ($results) { $archive = []; foreach ($results as $r) { $year = date('Y', strtotime($r->post_date)); $month_en = date('F', strtotime($r->post_date)); $month_hi = $hindi_months[$month_en] ?? $month_en; $month_num = date('m', strtotime($r->post_date)); $link = home_url("/$cpt/$year/$month_num/"); $archive[] = ['month' => $month_hi, 'year' => $year, 'link' => $link]; } if ($echo) { foreach ($archive as $a) { echo '
  • ' . esc_html($a['month'] . ' ' . $a['year']) . '
  • '; } } else { return $archive; } } return false; } //quiz question management add_action('admin_init', function () { register_setting('general', 'custom_quiz_assignments', [ 'type' => 'string', 'description' => 'Comma-separated list of target quiz IDs for quick assignment.', 'sanitize_callback' => 'sanitize_text_field', 'default' => '', ]); add_settings_field( 'custom_quiz_assignments', 'Assignable Quiz IDs (comma-separated)', function () { $value = get_option('custom_quiz_assignments', ''); echo ''; }, 'general' ); }); if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action']) && $_POST['action'] === 'assign_question_to_quiz') { $question_id = intval($_POST['question_id']); $target_quiz_id = intval($_POST['target_quiz_id']); // Detect all quizzes this question is currently part of $existing_quiz_ids = $wpdb->get_col( $wpdb->prepare( "SELECT quizid FROM " . QUIZ_QUES_RELATION_TABLE . " WHERE quesid = %d", $question_id ) ); // Remove from all quizzes foreach ($existing_quiz_ids as $qid) { $wpdb->delete(QUIZ_QUES_RELATION_TABLE, [ 'quizid' => $qid, 'quesid' => $question_id, ]); } // Add to new target quiz $wpdb->insert(QUIZ_QUES_RELATION_TABLE, [ 'quizid' => $target_quiz_id, 'quesid' => $question_id, ]); echo 'moved'; exit; } /* // 🧱 Remove the default /category/ slug add_action('init', function () { global $wp_rewrite; $wp_rewrite->category_base = ''; }, 1); // 🧱 Customize category permalinks (flat URLs) add_filter('term_link', function ($url, $term, $taxonomy) { if ($taxonomy === 'category') { return home_url(user_trailingslashit($term->slug)); } return $url; }, 10, 3); // 🧱 Add custom rewrite rules for flat category slugs function my_custom_category_rewrite_rules() { $categories = get_categories(['hide_empty' => false]); foreach ($categories as $category) { $slug = $category->slug; // Main category URL add_rewrite_rule('^' . $slug . '/?$', 'index.php?category_name=' . $slug, 'top'); // Pagination add_rewrite_rule('^' . $slug . '/page/([0-9]+)/?$', 'index.php?category_name=' . $slug . '&paged=$matches[1]', 'top'); // Feeds add_rewrite_rule('^' . $slug . '/feed/(feed|rdf|rss|rss2|atom)/?$', 'index.php?category_name=' . $slug . '&feed=$matches[1]', 'top'); add_rewrite_rule('^' . $slug . '/(feed|rdf|rss|rss2|atom)/?$', 'index.php?category_name=' . $slug . '&feed=$matches[1]', 'top'); } } add_action('init', 'my_custom_category_rewrite_rules', 1); // Use earlier priority // 🧱 Flush rules + purge Litespeed cache on category changes function purge_litespeed_cache_on_category_change() { if (function_exists('do_action')) { do_action('litespeed_purge_all'); } my_custom_category_rewrite_rules(); flush_rewrite_rules(); } add_action('created_category', 'purge_litespeed_cache_on_category_change'); add_action('edited_category', 'purge_litespeed_cache_on_category_change'); add_action('delete_category', 'purge_litespeed_cache_on_category_change'); // 🧱 Flush rules on theme switch add_action('after_switch_theme', function() { my_custom_category_rewrite_rules(); flush_rewrite_rules(); }); // 🧱 CPT date archive rules add_action('generate_rewrite_rules', function($wp_rewrite) { $rules = cpt_generate_date_archives('hindi', $wp_rewrite); $wp_rewrite->rules = $rules + $wp_rewrite->rules; }, 1); // Earlier priority // 🕓 Daily scheduled flush (as a fallback) if (!wp_next_scheduled('daily_flush_rewrite_rules')) { wp_schedule_event(time(), 'daily', 'daily_flush_rewrite_rules'); } add_action('daily_flush_rewrite_rules', function() { my_custom_category_rewrite_rules(); flush_rewrite_rules(); }); function cpt_generate_date_archives($cpt, $wp_rewrite) { $rules = array(); $post_type = get_post_type_object($cpt); if (!$post_type || !$post_type->has_archive) { return $rules; } // Resolve archive slug $slug_archive = $post_type->has_archive === true ? $post_type->name : $post_type->has_archive; $dates = [ ['rule' => '([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})', 'vars' => ['year', 'monthnum', 'day']], ['rule' => '([0-9]{4})/([0-9]{1,2})', 'vars' => ['year', 'monthnum']], ['rule' => '([0-9]{4})', 'vars' => ['year']], ]; foreach ($dates as $data) { $query = 'index.php?post_type=' . $cpt; $rule = $slug_archive . '/' . $data['rule']; $i = 1; foreach ($data['vars'] as $var) { $query .= '&' . $var . '=' . $wp_rewrite->preg_index($i++); } $rules[$rule . '/?$'] = $query; $rules[$rule . '/feed/(feed|rdf|rss|rss2|atom)/?$'] = $query . '&feed=' . $wp_rewrite->preg_index($i); $rules[$rule . '/(feed|rdf|rss|rss2|atom)/?$'] = $query . '&feed=' . $wp_rewrite->preg_index($i); $rules[$rule . '/page/([0-9]{1,})/?$'] = $query . '&paged=' . $wp_rewrite->preg_index($i); } return $rules; } */ // ================================ // 🔧 CONFIGURATION // ================================ define('MY_CUSTOM_CPT_ARCHIVE', 'hindi'); // ================================ // 🔁 Register all custom rewrites // ================================ add_action('init', function () { global $wp_rewrite; // 🧱 Remove /category/ base $wp_rewrite->category_base = ''; // ➕ Register flat category slugs my_register_flat_category_rules(); // ➕ Register CPT date archives my_register_cpt_date_archives(MY_CUSTOM_CPT_ARCHIVE); }, 1); // Run early // ================================ // 🔁 Generate flat category URLs // ================================ function my_register_flat_category_rules() { $categories = get_categories(['hide_empty' => false]); foreach ($categories as $category) { $slug = $category->slug; // Main URL add_rewrite_rule("^$slug/?$", "index.php?category_name=$slug", 'top'); // Pagination add_rewrite_rule("^$slug/page/([0-9]+)/?$", "index.php?category_name=$slug&paged=\$matches[1]", 'top'); // Feeds add_rewrite_rule("^$slug/(feed|rdf|rss|rss2|atom)/?$", "index.php?category_name=$slug&feed=\$matches[1]", 'top'); add_rewrite_rule("^$slug/feed/(feed|rdf|rss|rss2|atom)/?$", "index.php?category_name=$slug&feed=\$matches[1]", 'top'); } } // ================================ // 🧭 Remove parent slug from child category URL // ================================ add_filter('term_link', function ($url, $term, $taxonomy) { if ($taxonomy === 'category') { return home_url(user_trailingslashit($term->slug)); } return $url; }, 10, 3); // ================================ // 📅 CPT Date Archive Rules // ================================ function my_register_cpt_date_archives($post_type) { $post_type_obj = get_post_type_object($post_type); if (!$post_type_obj || !$post_type_obj->has_archive) return; $slug_archive = $post_type_obj->has_archive === true ? $post_type_obj->name : $post_type_obj->has_archive; $date_patterns = [ ['pattern' => '([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})', 'vars' => ['year', 'monthnum', 'day']], ['pattern' => '([0-9]{4})/([0-9]{1,2})', 'vars' => ['year', 'monthnum']], ['pattern' => '([0-9]{4})', 'vars' => ['year']], ]; foreach ($date_patterns as $data) { $query = "index.php?post_type=$post_type"; $pattern = $slug_archive . '/' . $data['pattern']; foreach ($data['vars'] as $i => $var) { $query .= "&$var=\$matches[" . ($i + 1) . "]"; } $i = count($data['vars']) + 1; add_rewrite_rule("^$pattern/?$", $query, 'top'); add_rewrite_rule("^$pattern/feed/(feed|rdf|rss|rss2|atom)/?$", $query . "&feed=\$matches[$i]", 'top'); add_rewrite_rule("^$pattern/(feed|rdf|rss|rss2|atom)/?$", $query . "&feed=\$matches[$i]", 'top'); add_rewrite_rule("^$pattern/page/([0-9]+)/?$", $query . "&paged=\$matches[$i]", 'top'); } } // ================================ // 🔁 Flush + Purge on category changes // ================================ function my_flush_and_purge_rewrites() { my_register_flat_category_rules(); my_register_cpt_date_archives(MY_CUSTOM_CPT_ARCHIVE); flush_rewrite_rules(); if (function_exists('do_action')) { do_action('litespeed_purge_all'); } } add_action('created_category', 'my_flush_and_purge_rewrites'); add_action('edited_category', 'my_flush_and_purge_rewrites'); add_action('delete_category', 'my_flush_and_purge_rewrites'); // ================================ // 🔁 On theme switch // ================================ add_action('after_switch_theme', 'my_flush_and_purge_rewrites'); // ================================ // 🕓 Optional: Daily fallback (if needed) // ================================ if (!wp_next_scheduled('daily_flush_rewrite_rules')) { wp_schedule_event(time(), 'daily', 'daily_flush_rewrite_rules'); } add_action('daily_flush_rewrite_rules', 'my_flush_and_purge_rewrites'); function gktoday_display_cat_course_box() { global $wpdb; $quiz_obj = $GLOBALS['quiz_obj'] ?? null; $type = $GLOBALS['type'] ?? null; $quiz_id = $quiz_obj['id'] ?? null; $cat_id = null; // Detect context and category ID if ($type === 'quiz_cat') { $cat_id = $quiz_id; } elseif (!empty($quiz_id)) { $cat_id = $wpdb->get_var("SELECT catid FROM " . QUIZ_CAT_RELATION_TABLE . " WHERE quizid = " . intval($quiz_id) . " LIMIT 1"); } if ($cat_id) { $row = $wpdb->get_row("SELECT cat_course, cat_image FROM " . QUIZ_CATEGORY_TABLE . " WHERE id = " . intval($cat_id), ARRAY_A); if (!empty($row['cat_course'])) { echo '
    '; if (!empty($row['cat_image'])) { echo ''; } echo '' . wp_kses_post(stripslashes($row['cat_course'])) . '
    '; } } } function gktoday_show_cat_course_by_id($cat_id) { global $wpdb; $cat_id = intval($cat_id); if (!$cat_id) return; $row = $wpdb->get_row("SELECT cat_course, cat_image FROM " . QUIZ_CATEGORY_TABLE . " WHERE id = $cat_id", ARRAY_A); if (!empty($row['cat_course'])) { echo '
    '; if (!empty($row['cat_image'])) { echo ''; } echo '' . wp_kses_post(stripslashes($row['cat_course'])) . ' Download the App now.
    '; } } function gktoday_display_course_banner_for_question($question_id) { global $wpdb; // Step 1: Get all quizzes this question belongs to $quiz_ids = $wpdb->get_col($wpdb->prepare( "SELECT quizid FROM " . QUIZ_QUES_RELATION_TABLE . " WHERE quesid = %d", $question_id )); if (empty($quiz_ids)) return; // Step 2: Get all category IDs from these quizzes $placeholders = implode(',', array_fill(0, count($quiz_ids), '%d')); $cat_ids = $wpdb->get_col($wpdb->prepare( "SELECT DISTINCT catid FROM " . QUIZ_CAT_RELATION_TABLE . " WHERE quizid IN ($placeholders)", $quiz_ids )); if (empty($cat_ids)) return; // Step 3: Loop through categories to find the first one with a course foreach ($cat_ids as $cat_id) { $row = $wpdb->get_row($wpdb->prepare( "SELECT cat_course, cat_image, cat_info FROM " . QUIZ_CATEGORY_TABLE . " WHERE id = %d", $cat_id ), ARRAY_A); if (!empty($row['cat_course'])) { // Replace plural phrases for question context $cat_course = str_ireplace( ['These Questions are', 'These questions have'], ['This question is', 'This question has'], $row['cat_course'] ); // Display the banner echo ''; if (!empty($row['cat_image'])) { // echo ''; echo ''; } echo '
    Question Source: 📚' . wp_kses_post(stripslashes($cat_course)) . ' Download the app here.
    '; // Show question position only if cat_info is 'Yes' if (strtolower($row['cat_info']) === 'yes') { // Find the quiz ID that maps this question to this category $quiz_id = $wpdb->get_var($wpdb->prepare( "SELECT qqr.quizid FROM " . QUIZ_QUES_RELATION_TABLE . " qqr INNER JOIN " . QUIZ_CAT_RELATION_TABLE . " qcr ON qqr.quizid = qcr.quizid WHERE qqr.quesid = %d AND qcr.catid = %d LIMIT 1", $question_id, $cat_id )); if ($quiz_id) { $quiz_name = $wpdb->get_var($wpdb->prepare( "SELECT quiz_name FROM " . QUIZ_TABLE . " WHERE id = %d", $quiz_id )); $question_position = $wpdb->get_var($wpdb->prepare(" SELECT position FROM ( SELECT quesid, @rownum := @rownum + 1 AS position FROM " . QUIZ_QUES_RELATION_TABLE . ", (SELECT @rownum := 0) r WHERE quizid = %d ORDER BY quesid ) AS ordered_questions WHERE quesid = %d ", $quiz_id, $question_id)); if (!empty($quiz_name) && !empty($question_position)) { echo '
    📌 Question Number: ' . intval($question_position) . ' in ' . esc_html($quiz_name) . ' in the above course in App.
    '; } } } break; // Only show the first matching category banner } } } /*function wikilink_auto_link($content) { return preg_replace_callback('/\[\[([^\]]+)\]\]/', function($matches) { $title = trim($matches[1]); $post = get_page_by_title($title, OBJECT, ['post', 'page']); if ($post) { $url = get_permalink($post->ID); } else { // Create a URL that *would* exist, for redlink $url = site_url('/' . sanitize_title($title)); } return '' . esc_html($title) . ''; }, $content); } add_filter('the_content', 'wikilink_auto_link');*/ सूर्य की सबसे बाहरी परत को क्या कहते हैं?
    Q. सूर्य की सबसे बाहरी परत को क्या कहते हैं?
    Answer: कोरोना
    Notes: सूर्य की सबसे बाहरी परत कोरोना कहलाती है। यह केवल ग्रहण के दौरान दिखाई देती है और प्लाज्मा का एक कम घनत्व वाला बादल होती है, जो आंतरिक परतों की तुलना में अधिक पारदर्शी होती है। सफेद कोरोना सूर्य की आंतरिक परतों की तुलना में दस लाख गुना कम चमकीली होती है, लेकिन आकार में कई गुना बड़ी होती है। कोरोना सूर्य या किसी अन्य खगोलीय पिंड का प्लाज्मा "वायुमंडल" है, जो अंतरिक्ष में लाखों किलोमीटर तक फैला होता है। इसे पूर्ण सूर्यग्रहण के दौरान आसानी से देखा जा सकता है और कोरोनाग्राफ से भी देखा जा सकता है। "कोरोना" शब्द लैटिन से लिया गया है, जिसका अर्थ "मुकुट" होता है। इसकी उच्च तापमान विशेषताओं के कारण इसमें अद्वितीय स्पेक्ट्रल गुण होते हैं।

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