1
|
|
|
<?php |
2
|
|
|
/* |
3
|
|
|
* Plugin Name: Auto Load Next Post |
4
|
|
|
* Plugin URI: https://autoloadnextpost.com |
5
|
|
|
* Description: Auto loads the next post as you scroll down to the end of a post. Replaces the URL in the address bar and the page title when viewing the next post. |
6
|
|
|
* Version: 1.4.7 |
7
|
|
|
* Author: Sébastien Dumont |
8
|
|
|
* Author URI: https://sebastiendumont.com |
9
|
|
|
* License: GPL-2.0+ |
10
|
|
|
* License URI: http://www.gnu.org/licenses/gpl-2.0.txt |
11
|
|
|
* Text Domain: auto-load-next-post |
12
|
|
|
* Domain Path: languages |
13
|
|
|
* Network: false |
14
|
|
|
* GitHub Plugin URI: https://github.com/seb86/Auto-Load-Next-Post |
15
|
|
|
* |
16
|
|
|
* Auto Load Next Post is distributed under the terms of the |
17
|
|
|
* GNU General Public License as published by the Free Software Foundation, |
18
|
|
|
* either version 2 of the License, or any later version. |
19
|
|
|
* |
20
|
|
|
* Auto Load Next Post is distributed in the hope that it will |
21
|
|
|
* be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
22
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
23
|
|
|
* GNU General Public License for more details. |
24
|
|
|
* |
25
|
|
|
* You should have received a copy of the GNU General Public License |
26
|
|
|
* along with Auto Load Next Post. |
27
|
|
|
* If not, see <http://www.gnu.org/licenses/>. |
28
|
|
|
* |
29
|
|
|
* @package Auto_Load_Next_Post |
30
|
|
|
* @author Sébastien Dumont |
31
|
|
|
*/ |
32
|
|
|
if ( ! defined('ABSPATH')) { |
33
|
|
|
exit; |
34
|
|
|
} |
35
|
|
|
// Exit if accessed directly |
36
|
|
|
|
37
|
|
|
if ( ! class_exists('Auto_Load_Next_Post')) { |
38
|
|
|
|
39
|
|
|
/** |
40
|
|
|
* Main Auto Load Next Post Class |
41
|
|
|
* |
42
|
|
|
* @since 1.0.0 |
43
|
|
|
*/ |
44
|
|
|
final class Auto_Load_Next_Post { |
|
|
|
|
45
|
|
|
|
46
|
|
|
/** |
47
|
|
|
* The single instance of the class |
48
|
|
|
* |
49
|
|
|
* @since 1.0.0 |
50
|
|
|
* @access private |
51
|
|
|
* @var object |
52
|
|
|
*/ |
53
|
|
|
private static $_instance = null; |
54
|
|
|
|
55
|
|
|
/** |
56
|
|
|
* Main Auto Load Next Post Instance |
57
|
|
|
* |
58
|
|
|
* Ensures only one instance of Auto Load Next Post is loaded or can be loaded. |
59
|
|
|
* |
60
|
|
|
* @since 1.0.0 |
61
|
|
|
* @access public static |
62
|
|
|
* @see Auto_Load_Next_Post() |
63
|
|
|
* @return Auto Load Next Post instance |
64
|
|
|
*/ |
65
|
|
|
public static function instance() { |
66
|
|
|
if (is_null(self::$_instance)) { |
67
|
|
|
self::$_instance = new Auto_Load_Next_Post; |
68
|
|
|
self::$_instance->setup_constants(); |
69
|
|
|
self::$_instance->load_plugin_textdomain(); |
70
|
|
|
self::$_instance->includes(); |
71
|
|
|
} |
72
|
|
|
return self::$_instance; |
73
|
|
|
} // END instance() |
74
|
|
|
|
75
|
|
|
/** |
76
|
|
|
* Throw error on object clone |
77
|
|
|
* |
78
|
|
|
* The whole idea of the singleton design pattern is that there is a single |
79
|
|
|
* object therefore, we don't want the object to be cloned. |
80
|
|
|
* |
81
|
|
|
* @since 1.0.0 |
82
|
|
|
* @access public |
83
|
|
|
* @return void |
84
|
|
|
*/ |
85
|
|
|
public function __clone() { |
86
|
|
|
// Cloning instances of the class is forbidden |
87
|
|
|
_doing_it_wrong(__FUNCTION__, __('Cheatin’ huh?', 'auto-load-next-post'), AUTO_LOAD_NEXT_POST_VERSION); |
88
|
|
|
} // END __clone() |
89
|
|
|
|
90
|
|
|
/** |
91
|
|
|
* Disable unserializing of the class |
92
|
|
|
* |
93
|
|
|
* @since 1.0.0 |
94
|
|
|
* @access public |
95
|
|
|
* @return void |
96
|
|
|
*/ |
97
|
|
|
public function __wakeup() { |
98
|
|
|
// Unserializing instances of the class is forbidden |
99
|
|
|
_doing_it_wrong(__FUNCTION__, __('Cheatin’ huh?', 'auto-load-next-post'), AUTO_LOAD_NEXT_POST_VERSION); |
100
|
|
|
} // END __wakeup() |
101
|
|
|
|
102
|
|
|
/** |
103
|
|
|
* Constructor |
104
|
|
|
* |
105
|
|
|
* @since 1.0.0 |
106
|
|
|
* @access public |
107
|
|
|
*/ |
108
|
|
|
public function __construct() { |
109
|
|
|
// Auto-load classes on demand |
110
|
|
|
if (function_exists("__autoload")) { |
111
|
|
|
spl_autoload_register("__autoload"); |
112
|
|
|
} |
113
|
|
|
|
114
|
|
|
spl_autoload_register(array($this, 'autoload')); |
115
|
|
|
|
116
|
|
|
// Hooks |
117
|
|
|
add_action('init', array($this, 'init_auto_load_next_post'), 0); |
118
|
|
|
add_action('wp_enqueue_scripts', array($this, 'front_scripts_and_styles')); |
119
|
|
|
} // END __construct() |
120
|
|
|
|
121
|
|
|
/** |
122
|
|
|
* Auto-load Auto Load Next Post classes on demand to reduce memory consumption. |
123
|
|
|
* |
124
|
|
|
* @since 1.0.0 |
125
|
|
|
* @access public |
126
|
|
|
* @param mixed $class |
127
|
|
|
* @return void |
128
|
|
|
*/ |
129
|
|
|
public function autoload($class) { |
130
|
|
|
$path = null; |
131
|
|
|
$file = strtolower('class-'.str_replace('_', '-', $class)).'.php'; |
132
|
|
|
|
133
|
|
|
if (strpos($class, 'auto_load_next_post_admin') === 0) { |
134
|
|
|
$path = AUTO_LOAD_NEXT_POST_FILE_PATH.'/includes/admin/'; |
135
|
|
|
} else if (strpos($class, 'auto_load_next_post_') === 0) { |
136
|
|
|
$path = AUTO_LOAD_NEXT_POST_FILE_PATH.'/includes/'; |
137
|
|
|
} |
138
|
|
|
|
139
|
|
|
if ($path !== null && is_readable($path.$file)) { |
140
|
|
|
include_once($path.$file); |
141
|
|
|
return true; |
142
|
|
|
} |
143
|
|
|
} // END autoload() |
144
|
|
|
|
145
|
|
|
/** |
146
|
|
|
* Setup Constants |
147
|
|
|
* |
148
|
|
|
* @since 1.4.3 |
149
|
|
|
* @access private |
150
|
|
|
*/ |
151
|
|
|
private function setup_constants() { |
152
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_VERSION', '1.4.7'); |
153
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_FILE', __FILE__); |
154
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_SLUG', 'auto-load-next-post'); |
155
|
|
|
|
156
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_URL_PATH', untrailingslashit(plugins_url('/', __FILE__))); |
157
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_FILE_PATH', untrailingslashit(plugin_dir_path(__FILE__))); |
158
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_TEMPLATE_PATH', 'auto-load-next-post/'); |
159
|
|
|
|
160
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_WP_VERSION_REQUIRE', '4.0'); |
161
|
|
|
|
162
|
|
|
$suffix = defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ? '' : '.min'; |
163
|
|
|
$this->define('AUTO_LOAD_NEXT_POST_SCRIPT_MODE', $suffix); |
164
|
|
|
} // END setup_constants() |
165
|
|
|
|
166
|
|
|
/** |
167
|
|
|
* Define constant if not already set. |
168
|
|
|
* |
169
|
|
|
* @param string $name |
170
|
|
|
* @param string|bool $value |
171
|
|
|
* @access private |
172
|
|
|
* @since 1.4.3 |
173
|
|
|
*/ |
174
|
|
|
private function define($name, $value) { |
175
|
|
|
if ( ! defined($name)) { |
176
|
|
|
define($name, $value); |
177
|
|
|
} |
178
|
|
|
} |
179
|
|
|
|
180
|
|
|
/** |
181
|
|
|
* Include required core files used in admin and on the frontend. |
182
|
|
|
* |
183
|
|
|
* @since 1.0.0 |
184
|
|
|
* @access public |
185
|
|
|
* @return void |
186
|
|
|
*/ |
187
|
|
|
public function includes() { |
188
|
|
|
include_once('includes/auto-load-next-post-core-functions.php'); // Contains core functions for the front/back end. |
189
|
|
|
|
190
|
|
|
if (is_admin()) { |
191
|
|
|
include_once('includes/admin/class-auto-load-next-post-admin.php'); // Admin section |
192
|
|
|
} |
193
|
|
|
} // END includes() |
194
|
|
|
|
195
|
|
|
/** |
196
|
|
|
* Runs when the plugin is initialized. |
197
|
|
|
* |
198
|
|
|
* @since 1.0.0 |
199
|
|
|
* @access public |
200
|
|
|
*/ |
201
|
|
|
public function init_auto_load_next_post() { |
202
|
|
|
add_rewrite_endpoint('partial', EP_PERMALINK); |
203
|
|
|
|
204
|
|
|
// Refresh permalinks |
205
|
|
|
flush_rewrite_rules(); |
206
|
|
|
} // END init_auto_load_next_post() |
207
|
|
|
|
208
|
|
|
/** |
209
|
|
|
* Load Localisation files. |
210
|
|
|
* |
211
|
|
|
* Note: the first-loaded translation file overrides any |
212
|
|
|
* following ones if the same translation is present. |
213
|
|
|
* |
214
|
|
|
* @since 1.0.0 |
215
|
|
|
* @access public |
216
|
|
|
* @filter auto_load_next_post_languages_directory |
217
|
|
|
* @filter plugin_locale |
218
|
|
|
* @return void |
219
|
|
|
*/ |
220
|
|
|
public function load_plugin_textdomain() { |
221
|
|
|
// Set filter for plugin's languages directory |
222
|
|
|
$lang_dir = dirname(plugin_basename(AUTO_LOAD_NEXT_POST_FILE)).'/languages/'; |
223
|
|
|
$lang_dir = apply_filters('auto_load_next_post_languages_directory', $lang_dir); |
224
|
|
|
|
225
|
|
|
// Traditional WordPress plugin locale filter |
226
|
|
|
$locale = apply_filters('plugin_locale', get_locale(), 'auto-load-next-post'); |
227
|
|
|
$mofile = sprintf('%1$s-%2$s.mo', 'auto-load-next-post', $locale); |
228
|
|
|
|
229
|
|
|
// Setup paths to current locale file |
230
|
|
|
$mofile_local = $lang_dir.$mofile; |
231
|
|
|
$mofile_global = WP_LANG_DIR.'/auto-load-next-post/'.$mofile; |
232
|
|
|
|
233
|
|
|
if (file_exists($mofile_global)) { |
234
|
|
|
// Look in global /wp-content/languages/auto-load-next-post/ folder |
235
|
|
|
load_textdomain('auto-load-next-post', $mofile_global); |
236
|
|
|
} else if (file_exists($mofile_local)) { |
237
|
|
|
// Look in local /wp-content/plugins/auto-load-next-post/languages/ folder |
238
|
|
|
load_textdomain('auto-load-next-post', $mofile_local); |
239
|
|
|
} else { |
240
|
|
|
// Load the default language files |
241
|
|
|
load_plugin_textdomain('auto-load-next-post', false, $lang_dir); |
242
|
|
|
} |
243
|
|
|
} // END load_plugin_textdomain() |
244
|
|
|
|
245
|
|
|
/** |
246
|
|
|
* Registers and enqueues stylesheets and javascripts for the front of the site. |
247
|
|
|
* |
248
|
|
|
* @since 1.3.2 |
249
|
|
|
* @access public |
250
|
|
|
*/ |
251
|
|
|
public function front_scripts_and_styles() { |
252
|
|
|
/** |
253
|
|
|
* Load the Javascript if found as a singluar post. |
254
|
|
|
*/ |
255
|
|
|
if (supports_alnp() && is_singular() && get_post_type() == 'post') { |
256
|
|
|
$this->load_file('auto-load-next-post-scrollspy', '/assets/js/libs/scrollspy'.AUTO_LOAD_NEXT_POST_SCRIPT_MODE.'.js', true, array('jquery'), AUTO_LOAD_NEXT_POST_VERSION); |
257
|
|
|
$this->load_file('auto-load-next-post-history', '/assets/js/libs/jquery.history.js', true, array('jquery'), AUTO_LOAD_NEXT_POST_VERSION); |
258
|
|
|
$this->load_file('auto-load-next-post-script', '/assets/js/frontend/auto-load-next-post'.AUTO_LOAD_NEXT_POST_SCRIPT_MODE.'.js', true, array('auto-load-next-post-scrollspy'), AUTO_LOAD_NEXT_POST_VERSION); |
259
|
|
|
|
260
|
|
|
// Variables for JS scripts |
261
|
|
|
wp_localize_script('auto-load-next-post-script', 'auto_load_next_post_params', array( |
262
|
|
|
'alnp_content_container' => get_option('auto_load_next_post_content_container'), |
263
|
|
|
'alnp_title_selector' => get_option('auto_load_next_post_title_selector'), |
264
|
|
|
'alnp_navigation_container' => get_option('auto_load_next_post_navigation_container'), |
265
|
|
|
'alnp_comments_container' => get_option('auto_load_next_post_comments_container'), |
266
|
|
|
'alnp_remove_comments' => get_option('auto_load_next_post_remove_comments'), |
267
|
|
|
'alnp_google_analytics' => get_option('auto_load_next_post_google_analytics'), |
268
|
|
|
)); |
269
|
|
|
} // END if is_singular() && get_post_type() |
|
|
|
|
270
|
|
|
} // END register_scripts_and_styles() |
271
|
|
|
|
272
|
|
|
/** |
273
|
|
|
* Helper function for registering and enqueueing scripts and styles. |
274
|
|
|
* |
275
|
|
|
* @since 1.0.0 |
276
|
|
|
* @access public static |
277
|
|
|
* @param string $name The ID to register with WordPress. |
278
|
|
|
* @param string $file_path The path to the actual file. |
279
|
|
|
* @param bool $is_script Optional, argument for if the incoming file_path is a JavaScript source file. |
280
|
|
|
* @param array $support Optional, for requiring other javascripts for the source file you are calling. |
281
|
|
|
* @param string $version Optional, can match the version of the plugin or version of the source file. |
282
|
|
|
* @global string $wp_version |
283
|
|
|
*/ |
284
|
|
|
public static function load_file($name, $file_path, $is_script = false, $support = array(), $version = '') { |
285
|
|
|
global $wp_version; |
286
|
|
|
|
287
|
|
|
$url = AUTO_LOAD_NEXT_POST_URL_PATH.$file_path; // URL to the file. |
288
|
|
|
|
289
|
|
|
if (file_exists(AUTO_LOAD_NEXT_POST_FILE_PATH.$file_path)) { |
290
|
|
|
if ($is_script) { |
291
|
|
|
wp_register_script($name, $url, $support, $version); |
292
|
|
|
wp_enqueue_script($name); |
293
|
|
|
} else { |
294
|
|
|
wp_register_style($name, $url); |
295
|
|
|
wp_enqueue_style($name); |
296
|
|
|
} // end if |
297
|
|
|
} // end if |
298
|
|
|
|
299
|
|
|
} // END load_file() |
300
|
|
|
|
301
|
|
|
} // END Auto_Load_Next_Post() |
302
|
|
|
|
303
|
|
|
} // END class exists 'Auto_Load_Next_Post' |
304
|
|
|
|
305
|
|
|
/** |
306
|
|
|
* This runs the plugin if the required PHP version has been met. |
307
|
|
|
*/ |
308
|
|
|
function run_auto_load_next_post() { |
309
|
|
|
return Auto_Load_Next_Post::instance(); |
310
|
|
|
} // END run_auto_load_next_post() |
311
|
|
|
|
312
|
|
|
// Fetch the Php version checker. |
313
|
|
|
if ( ! class_exists('WP_Update_Php')) { |
314
|
|
|
require_once('wp-update-php/wp-update-php.php'); |
315
|
|
|
} |
316
|
|
|
$updatePhp = new WP_Update_Php( |
317
|
|
|
array( |
318
|
|
|
'name' => 'Auto Load Next Post', |
319
|
|
|
'textdomain' => 'auto-load-next-post' |
320
|
|
|
), |
321
|
|
|
array( |
322
|
|
|
'minimum_version' => '5.3.0', |
323
|
|
|
'recommended_version' => '5.4.7' |
324
|
|
|
) |
325
|
|
|
); |
326
|
|
|
|
327
|
|
|
// If the miniumum version of PHP required is available then run the plugin. |
328
|
|
|
if ($updatePhp->does_it_meet_required_php_version()) { |
329
|
|
|
add_action('plugins_loaded', 'run_auto_load_next_post', 20); |
330
|
|
|
} |
331
|
|
|
|
You can fix this by adding a namespace to your class:
When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries.