hd-quiz / index.php

index.php in HD Quiz trunk, at index.php

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1	<?php
2	/*
3	* Plugin Name: HD Quiz
4	* Description: Add fun and interactive quizzes to your site.
5	* Plugin URI: https://harmonicdesign.ca/hd-quiz/
6	* Author: Harmonic Design
7	* Author URI: https://harmonicdesign.ca
8	* Version: 2.2.2
9	* License: GPL-2.0+
10	* License URI: http://www.gnu.org/licenses/gpl-2.0.txt
11	* Text Domain: hd-quiz
12	* Domain Path: /languages
13	*/
14
15	// Future updates
16	// * Default quiz settings (accessed from settings page)
17	// * Load quiz via ajax (good to bypass pagecache issues)
18	// * New question types
19	// * Filter to add new quiz types
20	// * More translations
21
22	if (!defined('ABSPATH')) {
23	die('Invalid request.');
24	}
25	if (!defined('HDQ_PLUGIN_VERSION')) {
26	define('HDQ_PLUGIN_VERSION', '2.2.2');
27	}
28
29	// Settings that a power user might want to change,
30	// but that I don't want to have a dedicated setting for
31	function hdq_admin_init()
32	{
33	if (!defined('HDQ_MAX_ANSWERS')) {
34	define('HDQ_MAX_ANSWERS', 10);
35	}
36	if (!defined('HDQ_REDIRECT')) {
37	define('HDQ_REDIRECT', true);
38	}
39	if (!defined('HDQ_FORCE_ORDER')) {
40	define('HDQ_FORCE_ORDER', false);
41	}
42	if (!defined('HDQ_PER_PAGE')) {
43	define('HDQ_PER_PAGE', 50);
44	}
45	if (!defined('HDQ_DISABLE_PREV_BUTTON')) {
46	define('HDQ_DISABLE_PREV_BUTTON', false);
47	}
48	if (!defined('HDQ_ENABLE_WP_PAGINATION')) {
49	define('HDQ_ENABLE_WP_PAGINATION', false);
50	}
51	}
52	add_action("init", "hdq_admin_init", 10);
53
54	// custom quiz image sizes
55	add_image_size('hd_qu_size2', 400, 400, true); // image-as-answer
56
57	// load in translations
58	function hdq_load_translations()
59	{
60	load_plugin_textdomain('hd-quiz', false, plugin_basename(dirname(__FILE__)) . '/languages/');
61	}
62	add_action('init', 'hdq_load_translations');
63
64	/* Include the basic required files
65	------------------------------------------------------- */
66	require dirname(__FILE__) . '/hdfields/HDFields.php';
67	require dirname(__FILE__) . '/includes/actions-ajax.php';
68	require dirname(__FILE__) . '/classes/settings.php';
69	require dirname(__FILE__) . '/classes/dashboard.php';
70	require dirname(__FILE__) . '/classes/quiz.php';
71	require dirname(__FILE__) . '/classes/question.php';
72	require dirname(__FILE__) . '/includes/functions.php';
73	require dirname(__FILE__) . '/includes/admin-pages.php';
74	require dirname(__FILE__) . '/includes/quiz-taxonomy.php';
75	require dirname(__FILE__) . '/includes/question-cpt.php';
76	require dirname(__FILE__) . '/includes/custom-fields.php';
77
78
79	/* Function to check if HD Quiz is active
80	------------------------------------------------------- */
81	function hdq_exists()
82	{
83	return;
84	}
85
86	/* Disable Canonical redirection for paginated quizzes
87	------------------------------------------------------- */
88	function hdq_disable_redirect_canonical($redirect_url)
89	{
90	global $post;
91	if (!isset($post->post_content)) {
92	return;
93	}
94	if (has_shortcode($post->post_content, 'hdquiz')) {
95	return false;
96	}
97	if (has_shortcode($post->post_content, 'HDquiz')) {
98	return false;
99	}
100	if (has_block("hdq/quiz-block")) {
101	return false;
102	}
103	return $redirect_url;
104	}
105	add_filter('redirect_canonical', 'hdq_disable_redirect_canonical');
106
107	/* Create HD Quiz Settings page
108	------------------------------------------------------- */
109	function hdq_create_settings_page()
110	{
111	if (hdq_user_permission()) {
112	add_action('admin_menu', 'hdq_register_quizzes_page');
113	}
114	}
115	add_action('init', 'hdq_create_settings_page');
116
117	function hdq_register_quizzes_page()
118	{
119	$addon_text = "";
120	$new_addon = get_transient("hdq_new_addon");
121	if ($new_addon === false) {
122	hdq_check_for_updates();
123	} else {
124	$new_addon["isNew"] = sanitize_text_field($new_addon["isNew"]);
125	if ($new_addon["isNew"] === "yes") {
126	$addon_text = ' <span class="awaiting-mod">NEW</span>';
127	}
128	}
129
130	add_menu_page('HD Quiz', 'HD Quiz', 'publish_posts', 'hdq_quizzes', 'hdq_main_page', 'dashicons-clipboard', 5);
131
132	add_submenu_page("hdq_quizzes", "HD Quiz Addons", __("Addons", "hd-quiz") . $addon_text, "delete_others_posts", "hdq_addons", "hdq_addons_page");
133	add_submenu_page("hdq_quizzes", "HD Quiz Tools", __("Tools", "hd-quiz"), "manage_options", "hdq_tools", "hdq_tools_page");
134	add_submenu_page("hdq_quizzes", "HD Quiz Settings", __("Settings", "hd-quiz"), "manage_options", 'hdq_options', 'hdq_about_settings_page');
135
136	// tools, hidden pages
137	add_submenu_page("", "CSV Importer", "CSV Importer", "manage_options", "hdq_importer", "hdq_tools_csv_importer");
138	}
139
140	/* Set custom plugin links on WP plugins page
141	------------------------------------------------------- */
142	function hdq_plugin_links($actions, $plugin_file, $plugin_data, $context)
143	{
144	$new = array(
145	'settings' => sprintf(
146	'<a href="%s">%s</a>',
147	esc_url(admin_url('admin.php?page=hdq_options')),
148	esc_html__('Settings', 'hd-quiz')
149	),
150	'help' => sprintf(
151	'<a href="%s">%s</a>',
152	'https://hdplugins.com/forum/hd-quiz-support/',
153	esc_html__('Help', 'hd-quiz')
154	)
155	);
156	return array_merge($new, $actions);
157	}
158	add_filter("plugin_action_links_" . plugin_basename(__FILE__), 'hdq_plugin_links', 10, 4);
159
160	/* Add shortcode
161	------------------------------------------------------- */
162	function hdq_add_shortcode($atts)
163	{
164	// Attributes
165	extract(
166	shortcode_atts(
167	array(
168	'quiz' => '',
169	),
170	$atts
171	)
172	);
173
174	// Code
175	ob_start();
176	include plugin_dir_path(__FILE__) . './includes/template.php';
177	return ob_get_clean();
178	}
179	add_shortcode('HDquiz', 'hdq_add_shortcode');
180
181	function hdq_check_for_updates()
182	{
183	$remote = wp_remote_get("https://hdplugins.com/plugins/hd-quiz/addons_updated.txt");
184	$local = intval(get_option("hdq_new_addon"));
185	if (is_array($remote)) {
186	$remote = intval($remote["body"]);
187	update_option("hdq_new_addon", $remote);
188
189	$transient = array(
190	"date" => $remote,
191	"isNew" => ""
192	);
193
194	if ($remote > $local) {
195	$transient["isNew"] = "yes";
196	}
197
198	set_transient("hdq_new_addon", $transient, WEEK_IN_SECONDS); // only check every week
199
200	} else {
201	update_option("hdq_new_addon", "");
202	set_transient("hdq_new_addon", array("date" => 0, "isNew" => ""), DAY_IN_SECONDS); // unable to connect. try again tomorrow
203	}
204	}
205
206	/* Clear all schedules on plugin deactivation
207	------------------------------------------------------- */
208	function hdq_deactivation()
209	{
210	wp_clear_scheduled_hook('hdq_check_for_updates');
211	}
212	register_deactivation_hook(__FILE__, 'hdq_deactivation');
213
214	function create_block_hd_quiz_block_block_init()
215	{
216	register_block_type(__DIR__ . '/assets/block');
217	}
218	add_action('init', 'create_block_hd_quiz_block_block_init');
219