post-views-counter
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post-views-counter.php
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| 1 | <?php |
| 2 | /* |
| 3 | Plugin Name: Post Views Counter |
| 4 | Description: Post Views Counter allows you to collect and display how many times a post, page, or other content has been viewed in a simple, fast and reliable way. |
| 5 | Version: 1.7.3 |
| 6 | Author: dFactory |
| 7 | Author URI: https://dfactory.co/ |
| 8 | Plugin URI: https://postviewscounter.com/ |
| 9 | License: MIT License |
| 10 | License URI: https://opensource.org/licenses/MIT |
| 11 | Text Domain: post-views-counter |
| 12 | Domain Path: /languages |
| 13 | |
| 14 | Post Views Counter |
| 15 | Copyright (C) 2014-2025, Digital Factory - info@digitalfactory.pl |
| 16 | |
| 17 | Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: |
| 18 | |
| 19 | The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. |
| 20 | |
| 21 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 22 | */ |
| 23 | |
| 24 | // exit if accessed directly |
| 25 | if ( ! defined( 'ABSPATH' ) ) |
| 26 | exit; |
| 27 | |
| 28 | if ( ! class_exists( 'Post_Views_Counter' ) ) { |
| 29 | /** |
| 30 | * Post Views Counter final class. |
| 31 | * |
| 32 | * @class Post_Views_Counter |
| 33 | * @version 1.7.2 |
| 34 | */ |
| 35 | final class Post_Views_Counter { |
| 36 | |
| 37 | private static $instance; |
| 38 | private $notices; |
| 39 | public $options; |
| 40 | public $defaults = [ |
| 41 | 'general' => [ |
| 42 | 'post_types_count' => [ 'post' ], |
| 43 | 'taxonomies_count' => false, |
| 44 | 'users_count' => false, |
| 45 | 'other_count' => false, |
| 46 | 'technology_count' => false, |
| 47 | 'data_storage' => 'cookies', |
| 48 | 'amp_support' => false, |
| 49 | 'counter_mode' => 'php', |
| 50 | 'time_between_counts' => [ |
| 51 | 'number' => 24, |
| 52 | 'type' => 'hours' |
| 53 | ], |
| 54 | 'count_time' => 'gmt', |
| 55 | 'reset_counts' => [ |
| 56 | 'number' => 0, |
| 57 | 'type' => 'days' |
| 58 | ], |
| 59 | 'caching_compatibility' => false, |
| 60 | 'object_cache' => false, |
| 61 | 'flush_interval' => [ |
| 62 | 'number' => 5, |
| 63 | 'type' => 'minutes' |
| 64 | ], |
| 65 | 'exclude' => [ |
| 66 | 'groups' => [], |
| 67 | 'roles' => [] |
| 68 | ], |
| 69 | 'exclude_groups' => [], |
| 70 | 'exclude_roles' => [], |
| 71 | 'exclude_ips' => [], |
| 72 | 'strict_counts' => false, |
| 73 | 'cron_run' => true, |
| 74 | 'cron_update' => true, |
| 75 | 'update_version' => 1, |
| 76 | 'update_notice' => true, |
| 77 | 'update_delay_date' => 0 |
| 78 | ], |
| 79 | 'display' => [ |
| 80 | 'label' => 'Post Views:', |
| 81 | 'display_period' => 'total', |
| 82 | 'taxonomies' => false, |
| 83 | 'taxonomies_display' => [], |
| 84 | 'user_display' => false, |
| 85 | 'post_types_display' => [ 'post' ], |
| 86 | 'page_types_display' => [ 'singular' ], |
| 87 | 'restrict_display' => [ |
| 88 | 'groups' => [], |
| 89 | 'roles' => [] |
| 90 | ], |
| 91 | 'position' => 'after', |
| 92 | 'post_views_column' => true, |
| 93 | 'restrict_edit_views' => false, |
| 94 | 'dynamic_loading' => false, |
| 95 | 'use_format' => true, |
| 96 | 'display_style' => [ |
| 97 | 'icon' => true, |
| 98 | 'text' => true |
| 99 | ], |
| 100 | 'icon_class' => 'dashicons-chart-bar', |
| 101 | 'toolbar_statistics' => true, |
| 102 | 'menu_position' => 'top' |
| 103 | ], |
| 104 | 'other' => [ |
| 105 | 'import_meta_key' => 'views', |
| 106 | 'deactivation_delete' => false, |
| 107 | 'license' => '' |
| 108 | ], |
| 109 | 'integrations' => [ |
| 110 | 'integrations' => [] |
| 111 | ], |
| 112 | 'version' => '1.7.3' |
| 113 | ]; |
| 114 | |
| 115 | // instances |
| 116 | public $counter; |
| 117 | public $crawler; |
| 118 | public $cron; |
| 119 | public $dashboard; |
| 120 | public $frontend; |
| 121 | public $functions; |
| 122 | public $settings; |
| 123 | public $settings_api; |
| 124 | public $import; |
| 125 | |
| 126 | /** |
| 127 | * Disable object cloning. |
| 128 | * |
| 129 | * @return void |
| 130 | */ |
| 131 | public function __clone() {} |
| 132 | |
| 133 | /** |
| 134 | * Disable unserializing of the class. |
| 135 | * |
| 136 | * @return void |
| 137 | */ |
| 138 | public function __wakeup() {} |
| 139 | |
| 140 | /** |
| 141 | * Main plugin instance, insures that only one instance of the class exists in memory at one time. |
| 142 | * |
| 143 | * @return object |
| 144 | */ |
| 145 | public static function instance() { |
| 146 | if ( ! isset( self::$instance ) && ! ( self::$instance instanceof Post_Views_Counter ) ) { |
| 147 | self::$instance = new Post_Views_Counter(); |
| 148 | |
| 149 | // short init? |
| 150 | if ( defined( 'SHORTINIT' ) && SHORTINIT ) { |
| 151 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-counter.php' ); |
| 152 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-crawler-detect.php' ); |
| 153 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/functions.php' ); |
| 154 | |
| 155 | self::$instance->counter = new Post_Views_Counter_Counter(); |
| 156 | self::$instance->crawler = new Post_Views_Counter_Crawler_Detect(); |
| 157 | |
| 158 | // we need to initialize crawler here since it is not called in SHORTINIT mode |
| 159 | self::$instance->crawler->init(); |
| 160 | // regular setup |
| 161 | } else { |
| 162 | self::$instance->includes(); |
| 163 | |
| 164 | // create settings API |
| 165 | self::$instance->settings_api = new Post_Views_Counter_Settings_API( |
| 166 | [ |
| 167 | 'object' => self::$instance, |
| 168 | 'prefix' => 'pvc', |
| 169 | 'slug' => 'post-views-counter', |
| 170 | 'domain' => 'post-views-counter', |
| 171 | 'plugin' => 'Post Views Counter', |
| 172 | 'plugin_url' => POST_VIEWS_COUNTER_URL |
| 173 | ] |
| 174 | ); |
| 175 | |
| 176 | // initialize other classes |
| 177 | self::$instance->functions = new Post_Views_Counter_Functions(); |
| 178 | |
| 179 | new Post_Views_Counter_Update(); |
| 180 | |
| 181 | self::$instance->settings = new Post_Views_Counter_Settings(); |
| 182 | self::$instance->import = new Post_Views_Counter_Import(); |
| 183 | |
| 184 | new Post_Views_Counter_Admin(); |
| 185 | new Post_Views_Counter_Query(); |
| 186 | |
| 187 | self::$instance->cron = new Post_Views_Counter_Cron(); |
| 188 | self::$instance->counter = new Post_Views_Counter_Counter(); |
| 189 | |
| 190 | new Post_Views_Counter_Columns(); |
| 191 | new Post_Views_Counter_Toolbar(); |
| 192 | |
| 193 | self::$instance->crawler = new Post_Views_Counter_Crawler_Detect(); |
| 194 | self::$instance->frontend = new Post_Views_Counter_Frontend(); |
| 195 | self::$instance->dashboard = new Post_Views_Counter_Dashboard(); |
| 196 | |
| 197 | new Post_Views_Counter_Widgets(); |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | return self::$instance; |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * Setup plugin constants. |
| 206 | * |
| 207 | * @return void |
| 208 | */ |
| 209 | private function define_constants() { |
| 210 | // fix plugin_basename empty $wp_plugin_paths var |
| 211 | if ( ! ( defined( 'SHORTINIT' ) && SHORTINIT ) ) { |
| 212 | define( 'POST_VIEWS_COUNTER_URL', plugins_url( '', __FILE__ ) ); |
| 213 | define( 'POST_VIEWS_COUNTER_BASENAME', plugin_basename( __FILE__ ) ); |
| 214 | define( 'POST_VIEWS_COUNTER_REL_PATH', dirname( POST_VIEWS_COUNTER_BASENAME ) ); |
| 215 | } |
| 216 | |
| 217 | define( 'POST_VIEWS_COUNTER_PATH', plugin_dir_path( __FILE__ ) ); |
| 218 | } |
| 219 | |
| 220 | /** |
| 221 | * Include required files. |
| 222 | * |
| 223 | * @return void |
| 224 | */ |
| 225 | private function includes() { |
| 226 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-functions.php' ); |
| 227 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-update.php' ); |
| 228 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-settings-api.php' ); |
| 229 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-settings.php' ); |
| 230 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-settings-general.php' ); |
| 231 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-settings-display.php' ); |
| 232 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-settings-reports.php' ); |
| 233 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-integrations.php' ); |
| 234 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-settings-integrations.php' ); |
| 235 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-settings-other.php' ); |
| 236 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-import.php' ); |
| 237 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-admin.php' ); |
| 238 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-columns.php' ); |
| 239 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-toolbar.php' ); |
| 240 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-query.php' ); |
| 241 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-cron.php' ); |
| 242 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-counter.php' ); |
| 243 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-crawler-detect.php' ); |
| 244 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-frontend.php' ); |
| 245 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-dashboard.php' ); |
| 246 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-widgets.php' ); |
| 247 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/class-integration-gutenberg.php' ); |
| 248 | } |
| 249 | |
| 250 | /** |
| 251 | * Class constructor. |
| 252 | * |
| 253 | * @return void |
| 254 | */ |
| 255 | private function __construct() { |
| 256 | // define plugin constants |
| 257 | $this->define_constants(); |
| 258 | |
| 259 | // load translations early to avoid just-in-time loading warnings in WP 6.7+ |
| 260 | if ( ! ( defined( 'SHORTINIT' ) && SHORTINIT ) ) |
| 261 | $this->load_textdomain(); |
| 262 | |
| 263 | // short init? |
| 264 | if ( defined( 'SHORTINIT' ) && SHORTINIT ) { |
| 265 | $this->options = [ |
| 266 | 'general' => array_merge( $this->defaults['general'], get_option( 'post_views_counter_settings_general', $this->defaults['general'] ) ), |
| 267 | 'display' => array_merge( $this->defaults['display'], get_option( 'post_views_counter_settings_display', $this->defaults['display'] ) ), |
| 268 | 'other' => array_merge( $this->defaults['other'], get_option( 'post_views_counter_settings_other', $this->defaults['other'] ) ) |
| 269 | ]; |
| 270 | |
| 271 | // migrate exclude to new fields |
| 272 | if ( isset( $this->options['general']['exclude'] ) && is_array( $this->options['general']['exclude'] ) ) { |
| 273 | if ( ! isset( $this->options['general']['exclude_groups'] ) ) |
| 274 | $this->options['general']['exclude_groups'] = $this->options['general']['exclude']['groups'] ?? []; |
| 275 | |
| 276 | if ( ! isset( $this->options['general']['exclude_roles'] ) ) |
| 277 | $this->options['general']['exclude_roles'] = $this->options['general']['exclude']['roles'] ?? []; |
| 278 | } |
| 279 | |
| 280 | return; |
| 281 | } |
| 282 | |
| 283 | // activation hooks |
| 284 | register_activation_hook( __FILE__, [ $this, 'activation' ] ); |
| 285 | register_deactivation_hook( __FILE__, [ $this, 'deactivation' ] ); |
| 286 | |
| 287 | // settings |
| 288 | $this->options = [ |
| 289 | 'general' => array_merge( $this->defaults['general'], get_option( 'post_views_counter_settings_general', $this->defaults['general'] ) ), |
| 290 | 'display' => array_merge( $this->defaults['display'], get_option( 'post_views_counter_settings_display', $this->defaults['display'] ) ), |
| 291 | 'other' => array_merge( $this->defaults['other'], get_option( 'post_views_counter_settings_other', $this->defaults['other'] ) ), |
| 292 | 'integrations' => array_merge( $this->defaults['integrations'], get_option( 'post_views_counter_settings_integrations', $this->defaults['integrations'] ) ) |
| 293 | ]; |
| 294 | |
| 295 | // 1.5.3+ |
| 296 | if ( ! isset( $this->options['general']['post_views_column'] ) ) |
| 297 | $this->options['general']['post_views_column'] = $this->options['display']['post_views_column']; |
| 298 | |
| 299 | if ( ! isset( $this->options['general']['restrict_edit_views'] ) ) |
| 300 | $this->options['general']['restrict_edit_views'] = $this->options['display']['restrict_edit_views']; |
| 301 | |
| 302 | // migrate exclude to new fields |
| 303 | if ( isset( $this->options['general']['exclude'] ) && is_array( $this->options['general']['exclude'] ) ) { |
| 304 | if ( ! isset( $this->options['general']['exclude_groups'] ) ) |
| 305 | $this->options['general']['exclude_groups'] = $this->options['general']['exclude']['groups'] ?? []; |
| 306 | |
| 307 | if ( ! isset( $this->options['general']['exclude_roles'] ) ) |
| 308 | $this->options['general']['exclude_roles'] = $this->options['general']['exclude']['roles'] ?? []; |
| 309 | } |
| 310 | |
| 311 | // actions |
| 312 | add_action( 'plugins_loaded', [ $this, 'extend_caching_plugins' ], -1 ); |
| 313 | add_action( 'admin_enqueue_scripts', [ $this, 'admin_enqueue_scripts' ] ); |
| 314 | add_action( 'admin_print_styles', [ $this, 'admin_print_styles' ] ); |
| 315 | add_action( 'wp_loaded', [ $this, 'load_pluggable_functions' ] ); |
| 316 | add_action( 'init', [ $this, 'register_blocks' ] ); |
| 317 | add_action( 'admin_init', [ $this, 'update_notice' ] ); |
| 318 | add_action( 'wp_initialize_site', [ $this, 'init_new_network_site' ] ); |
| 319 | add_action( 'wp_ajax_pvc_dismiss_notice', [ $this, 'dismiss_notice' ] ); |
| 320 | |
| 321 | // filters |
| 322 | add_filter( 'plugin_action_links_' . POST_VIEWS_COUNTER_BASENAME, [ $this, 'plugin_settings_link' ] ); |
| 323 | } |
| 324 | |
| 325 | /** |
| 326 | * Extend list of caching plugins. |
| 327 | * |
| 328 | * @return void |
| 329 | */ |
| 330 | public function extend_caching_plugins() { |
| 331 | // add new caching plugins |
| 332 | add_filter( 'pvc_active_caching_plugins', [ $this->settings, 'extend_active_caching_plugins' ] ); |
| 333 | add_filter( 'pvc_is_plugin_active', [ $this->settings, 'extend_is_plugin_active' ], 10, 2 ); |
| 334 | } |
| 335 | |
| 336 | /** |
| 337 | * Register blocks. |
| 338 | * |
| 339 | * @global object $wp_version |
| 340 | * |
| 341 | * @return void |
| 342 | */ |
| 343 | public function register_blocks() { |
| 344 | global $wp_version; |
| 345 | |
| 346 | // actions |
| 347 | add_action( 'enqueue_block_editor_assets', [ $this, 'block_editor_enqueue_scripts' ] ); |
| 348 | |
| 349 | // filters |
| 350 | if ( version_compare( $wp_version, '5.8', '>=' ) ) |
| 351 | add_filter( 'block_categories_all', [ $this, 'add_block_category' ] ); |
| 352 | else |
| 353 | add_filter( 'block_categories', [ $this, 'add_block_category' ] ); |
| 354 | |
| 355 | add_filter( 'register_block_type_args', [ $this, 'update_block_args' ], 10, 2 ); |
| 356 | |
| 357 | register_block_type( __DIR__ . '/blocks/most-viewed-posts/build' ); |
| 358 | register_block_type( __DIR__ . '/blocks/post-views/build' ); |
| 359 | } |
| 360 | |
| 361 | /** |
| 362 | * Enqueue block scripts. |
| 363 | * |
| 364 | * @global object $wp_version |
| 365 | * |
| 366 | * @return void |
| 367 | */ |
| 368 | public function block_editor_enqueue_scripts() { |
| 369 | // enqueue script |
| 370 | wp_enqueue_script( 'post-views-counter-block-editor-script', POST_VIEWS_COUNTER_URL . '/js/dummy.js', [] ); |
| 371 | |
| 372 | $block_image_sizes = []; |
| 373 | |
| 374 | // image sizes |
| 375 | $image_sizes = array_merge( [ 'full' ], get_intermediate_image_sizes() ); |
| 376 | |
| 377 | // sort image sizes by name, ascending |
| 378 | sort( $image_sizes, SORT_STRING ); |
| 379 | |
| 380 | foreach ( $image_sizes as $image_size ) { |
| 381 | $block_image_sizes[] = [ |
| 382 | 'label' => $image_size, |
| 383 | 'value' => $image_size |
| 384 | ]; |
| 385 | } |
| 386 | |
| 387 | $post_types = Post_Views_Counter()->functions->get_post_types(); |
| 388 | |
| 389 | // prepare script data |
| 390 | $script_data = [ |
| 391 | 'postTypesKeys' => array_combine( array_keys( $post_types ), array_fill( 0, count( $post_types ), false ) ), |
| 392 | 'postTypes' => $post_types, |
| 393 | 'imageSizes' => $block_image_sizes |
| 394 | ]; |
| 395 | |
| 396 | // force post as enabled |
| 397 | $script_data['postTypesKeys']['post'] = true; |
| 398 | |
| 399 | // prepare script data |
| 400 | $script_data['periods'] = [ [ |
| 401 | 'label' => __( 'Total Views', 'post-views-counter' ), |
| 402 | 'value' => 'total' |
| 403 | ] ]; |
| 404 | |
| 405 | $script_data = apply_filters( 'pvc_block_editor_data', $script_data ); |
| 406 | |
| 407 | wp_add_inline_script( 'post-views-counter-block-editor-script', 'var pvcBlockEditorData = ' . wp_json_encode( $script_data ) . ";\n", 'before' ); |
| 408 | } |
| 409 | |
| 410 | /** |
| 411 | * Update block arguments. |
| 412 | * |
| 413 | * @param array $args |
| 414 | * @param string $block_type |
| 415 | * |
| 416 | * @return array |
| 417 | */ |
| 418 | function update_block_args( $args, $block_type ) { |
| 419 | // most viewed posts block |
| 420 | if ( $block_type === 'post-views-counter/most-viewed-posts' ) |
| 421 | $args['render_callback'] = [ $this, 'most_viewed_posts_render_callback' ]; |
| 422 | // post views block |
| 423 | elseif ( $block_type === 'post-views-counter/post-views' ) |
| 424 | $args['render_callback'] = [ $this, 'post_views_render_callback' ]; |
| 425 | |
| 426 | return $args; |
| 427 | } |
| 428 | |
| 429 | /** |
| 430 | * Server side block renderer for most viewed posts. |
| 431 | * |
| 432 | * @param array $attributes |
| 433 | * @param string $content |
| 434 | * |
| 435 | * @return array |
| 436 | */ |
| 437 | function most_viewed_posts_render_callback( $attributes, $content ) { |
| 438 | $post_types = []; |
| 439 | |
| 440 | foreach ( $attributes['postTypes'] as $post_type => $enabled ) { |
| 441 | if ( $enabled === true || $enabled === 'true' ) |
| 442 | $post_types[] = $post_type; |
| 443 | } |
| 444 | |
| 445 | // map block attributes |
| 446 | $args = [ |
| 447 | 'number_of_posts' => max( 1, (int) $attributes['numberOfPosts'] ), |
| 448 | 'post_type' => $post_types, |
| 449 | 'period' => $attributes['period'], |
| 450 | 'order' => $attributes['order'], |
| 451 | 'thumbnail_size' => $attributes['thumbnailSize'], |
| 452 | 'list_type' => $attributes['listType'], |
| 453 | 'show_post_views' => (bool) $attributes['displayPostViews'], |
| 454 | 'show_post_thumbnail' => (bool) $attributes['displayPostThumbnail'], |
| 455 | 'show_post_author' => (bool) $attributes['displayPostAuthor'], |
| 456 | 'show_post_excerpt' => (bool) $attributes['displayPostExcerpt'], |
| 457 | 'no_posts_message' => $attributes['noPostsMessage'] |
| 458 | ]; |
| 459 | |
| 460 | $title = trim( $attributes['title'] ); |
| 461 | |
| 462 | $html = '<div ' . get_block_wrapper_attributes() . '>'; |
| 463 | |
| 464 | if ( $title !== '' ) |
| 465 | $html .= '<h2 class="block-title">' . esc_html( $title ) . '</h2>'; |
| 466 | |
| 467 | $html .= pvc_most_viewed_posts( $args, false ); |
| 468 | $html .= '</div>'; |
| 469 | |
| 470 | return $html; |
| 471 | } |
| 472 | |
| 473 | /** |
| 474 | * Server side block renderer for post views. |
| 475 | * |
| 476 | * @param array $attributes |
| 477 | * @param string $content |
| 478 | * |
| 479 | * @return array |
| 480 | */ |
| 481 | function post_views_render_callback( $attributes, $content ) { |
| 482 | $html = '<div ' . get_block_wrapper_attributes() . '>'; |
| 483 | $html .= pvc_post_views( (int) $attributes['postID'], false, $attributes['period'] ); |
| 484 | $html .= '</div>'; |
| 485 | |
| 486 | return $html; |
| 487 | } |
| 488 | |
| 489 | /** |
| 490 | * Add new blocks category. |
| 491 | * |
| 492 | * @param array $categories |
| 493 | * |
| 494 | * @return array |
| 495 | */ |
| 496 | function add_block_category( $categories ) { |
| 497 | $categories[] = [ |
| 498 | 'slug' => 'post-views-counter', |
| 499 | 'title' => 'Post Views Counter' |
| 500 | ]; |
| 501 | |
| 502 | return $categories; |
| 503 | } |
| 504 | |
| 505 | /** |
| 506 | * Update notice. |
| 507 | * |
| 508 | * @return void |
| 509 | */ |
| 510 | public function update_notice() { |
| 511 | if ( ! current_user_can( 'install_plugins' ) ) |
| 512 | return; |
| 513 | |
| 514 | $current_update = 2; |
| 515 | |
| 516 | // get current time |
| 517 | $current_time = time(); |
| 518 | |
| 519 | if ( $this->options['general']['update_version'] < $current_update ) { |
| 520 | // check version, if update version is lower than plugin version, set update notice to true |
| 521 | $this->options['general'] = array_merge( |
| 522 | $this->options['general'], |
| 523 | [ |
| 524 | 'update_version' => $current_update, |
| 525 | 'update_notice' => true |
| 526 | ] |
| 527 | ); |
| 528 | |
| 529 | update_option( 'post_views_counter_settings_general', $this->options['general'] ); |
| 530 | |
| 531 | // set activation date |
| 532 | $activation_date = get_option( 'post_views_counter_activation_date' ); |
| 533 | |
| 534 | if ( $activation_date === false ) |
| 535 | update_option( 'post_views_counter_activation_date', $current_time ); |
| 536 | } |
| 537 | |
| 538 | // display current version notice |
| 539 | if ( $this->options['general']['update_notice'] === true ) { |
| 540 | // include notice js, only if needed |
| 541 | add_action( 'admin_print_scripts', [ $this, 'admin_inline_js' ], 999 ); |
| 542 | |
| 543 | // get activation date |
| 544 | $activation_date = get_option( 'post_views_counter_activation_date' ); |
| 545 | |
| 546 | if ( (int) $this->options['general']['update_delay_date'] === 0 ) { |
| 547 | if ( $activation_date + 2 * WEEK_IN_SECONDS > $current_time ) |
| 548 | $this->options['general']['update_delay_date'] = $activation_date + 2 * WEEK_IN_SECONDS; |
| 549 | else |
| 550 | $this->options['general']['update_delay_date'] = $current_time; |
| 551 | |
| 552 | update_option( 'post_views_counter_settings_general', $this->options['general'] ); |
| 553 | } |
| 554 | |
| 555 | if ( ( ! empty( $this->options['general']['update_delay_date'] ) ? (int) $this->options['general']['update_delay_date'] : $current_time ) <= $current_time ) |
| 556 | $this->add_notice( sprintf( __( "Hey, you've been using <strong>Post Views Counter</strong> for more than %s.", 'post-views-counter' ), human_time_diff( $activation_date, $current_time ) ) . '<br />' . __( 'Could you please do me a BIG favor and give it a 5-star rating on WordPress to help us spread the word and boost our motivation.', 'post-views-counter' ) . '<br /><br />' . __( 'Your help is much appreciated. Thank you very much', 'post-views-counter' ) . ' ~ <strong>Bartosz Arendt</strong>, ' . __( 'founder of', 'post-views-counter' ) . ' <a href="https://postviewscounter.com/" target="_blank">Post Views Counter</a>.' . '<br /><br />' . '<a href="https://wordpress.org/support/plugin/post-views-counter/reviews/?filter=5#new-post" class="pvc-dismissible-notice" target="_blank" rel="noopener">' . __( 'Ok, you deserve it', 'post-views-counter' ) . '</a><br /><a href="#" class="pvc-dismissible-notice pvc-delay-notice" rel="noopener">' . __( 'Nope, maybe later', 'post-views-counter' ) . '</a><br /><a href="#" class="pvc-dismissible-notice" rel="noopener">' . __( 'I already did', 'post-views-counter' ) . '</a>', 'notice notice-info is-dismissible pvc-notice' ); |
| 557 | } |
| 558 | } |
| 559 | |
| 560 | /** |
| 561 | * Add admin notices. |
| 562 | * |
| 563 | * @param string $html Notice HTML |
| 564 | * @param string $status Notice status |
| 565 | * @param bool $paragraph Whether to use paragraph |
| 566 | * @param bool $network |
| 567 | * |
| 568 | * @return void |
| 569 | */ |
| 570 | public function add_notice( $html = '', $status = 'error', $paragraph = true, $network = false ) { |
| 571 | $this->notices[] = [ |
| 572 | 'html' => $html, |
| 573 | 'status' => $status, |
| 574 | 'paragraph' => $paragraph |
| 575 | ]; |
| 576 | |
| 577 | add_action( 'admin_notices', [ $this, 'display_notice' ] ); |
| 578 | |
| 579 | if ( $network ) |
| 580 | add_action( 'network_admin_notices', [ $this, 'display_notice' ] ); |
| 581 | } |
| 582 | |
| 583 | /** |
| 584 | * Print admin notices. |
| 585 | * |
| 586 | * @return void |
| 587 | */ |
| 588 | public function display_notice() { |
| 589 | $allowed_html = array_merge( |
| 590 | wp_kses_allowed_html( 'post' ), |
| 591 | [ |
| 592 | 'input' => [ |
| 593 | 'type' => true, |
| 594 | 'name' => true, |
| 595 | 'class' => true, |
| 596 | 'value' => true |
| 597 | ], |
| 598 | 'form' => [ |
| 599 | 'action' => true, |
| 600 | 'method' => true |
| 601 | ] |
| 602 | ] |
| 603 | ); |
| 604 | |
| 605 | foreach ( $this->notices as $notice ) { |
| 606 | echo ' |
| 607 | <div class="' . esc_attr( $notice['status'] ) . '"> |
| 608 | ' . ( $notice['paragraph'] ? '<p>' : '' ) . ' |
| 609 | ' . wp_kses( $notice['html'], $allowed_html ) . ' |
| 610 | ' . ( $notice['paragraph'] ? '</p>' : '' ) . ' |
| 611 | </div>'; |
| 612 | } |
| 613 | } |
| 614 | |
| 615 | /** |
| 616 | * Print admin scripts. |
| 617 | * |
| 618 | * @return void |
| 619 | */ |
| 620 | public function admin_inline_js() { |
| 621 | if ( ! current_user_can( 'install_plugins' ) ) |
| 622 | return; |
| 623 | |
| 624 | // register and enqueue styles |
| 625 | wp_register_script( 'pvc-notices', false ); |
| 626 | wp_enqueue_script( 'pvc-notices' ); |
| 627 | |
| 628 | // add styles |
| 629 | wp_add_inline_script( 'pvc-notices', " |
| 630 | ( function( $ ) { |
| 631 | // ready event |
| 632 | $( function() { |
| 633 | // save dismiss state |
| 634 | $( '.pvc-notice.is-dismissible' ).on( 'click', '.notice-dismiss, .pvc-dismissible-notice', function( e ) { |
| 635 | if ( e.currentTarget.target !== '_blank' ) |
| 636 | e.preventDefault(); |
| 637 | |
| 638 | var notice_action = 'hide'; |
| 639 | |
| 640 | if ( e.currentTarget.classList.contains( 'pvc-delay-notice' ) ) |
| 641 | notice_action = 'delay'; |
| 642 | |
| 643 | $.post( ajaxurl, { |
| 644 | action: 'pvc_dismiss_notice', |
| 645 | notice_action: notice_action, |
| 646 | url: '" . esc_url_raw( admin_url( 'admin-ajax.php' ) ) . "', |
| 647 | nonce: '" . esc_attr( wp_create_nonce( 'pvc_dismiss_notice' ) ) . "' |
| 648 | } ); |
| 649 | |
| 650 | $( e.delegateTarget ).slideUp( 'fast' ); |
| 651 | } ); |
| 652 | } ); |
| 653 | } )( jQuery ); |
| 654 | ", 'after' ); |
| 655 | } |
| 656 | |
| 657 | /** |
| 658 | * Dismiss notice. |
| 659 | * |
| 660 | * @return void |
| 661 | */ |
| 662 | public function dismiss_notice() { |
| 663 | if ( ! current_user_can( 'install_plugins' ) ) |
| 664 | return; |
| 665 | |
| 666 | if ( isset( $_REQUEST['nonce'] ) && wp_verify_nonce( $_REQUEST['nonce'], 'pvc_dismiss_notice' ) ) { |
| 667 | $notice_action = empty( $_REQUEST['notice_action'] ) || $_REQUEST['notice_action'] === 'hide' ? 'hide' : sanitize_text_field( $_REQUEST['notice_action'] ); |
| 668 | |
| 669 | switch ( $notice_action ) { |
| 670 | // delay notice |
| 671 | case 'delay': |
| 672 | // set delay period to 1 week from now |
| 673 | $this->options['general'] = array_merge( |
| 674 | $this->options['general'], |
| 675 | [ |
| 676 | 'update_delay_date' => time() + 2 * WEEK_IN_SECONDS |
| 677 | ] |
| 678 | ); |
| 679 | update_option( 'post_views_counter_settings_general', $this->options['general'] ); |
| 680 | break; |
| 681 | |
| 682 | // hide notice |
| 683 | default: |
| 684 | $this->options['general'] = array_merge( |
| 685 | $this->options['general'], |
| 686 | [ |
| 687 | 'update_notice' => false |
| 688 | ] |
| 689 | ); |
| 690 | $this->options['general'] = array_merge( |
| 691 | $this->options['general'], |
| 692 | [ |
| 693 | 'update_delay_date' => 0 |
| 694 | ] |
| 695 | ); |
| 696 | |
| 697 | update_option( 'post_views_counter_settings_general', $this->options['general'] ); |
| 698 | } |
| 699 | } |
| 700 | |
| 701 | exit; |
| 702 | } |
| 703 | |
| 704 | /** |
| 705 | * Plugin activation. |
| 706 | * |
| 707 | * @global object $wpdb |
| 708 | * |
| 709 | * @param bool $network |
| 710 | * |
| 711 | * @return void |
| 712 | */ |
| 713 | public function activation( $network ) { |
| 714 | // network activation? |
| 715 | if ( is_multisite() && $network ) { |
| 716 | global $wpdb; |
| 717 | |
| 718 | // get all available sites |
| 719 | $blogs_ids = $wpdb->get_col( 'SELECT blog_id FROM ' . $wpdb->blogs ); |
| 720 | |
| 721 | foreach ( $blogs_ids as $blog_id ) { |
| 722 | // change to another site |
| 723 | switch_to_blog( (int) $blog_id ); |
| 724 | |
| 725 | // run current site activation process |
| 726 | $this->activate_site(); |
| 727 | |
| 728 | restore_current_blog(); |
| 729 | } |
| 730 | } else |
| 731 | $this->activate_site(); |
| 732 | } |
| 733 | |
| 734 | /** |
| 735 | * Single site activation. |
| 736 | * |
| 737 | * @global object $wpdb |
| 738 | * @global string $charset_collate |
| 739 | * |
| 740 | * @return void |
| 741 | */ |
| 742 | public function activate_site() { |
| 743 | global $wpdb, $charset_collate; |
| 744 | |
| 745 | // required for dbdelta |
| 746 | require_once( ABSPATH . 'wp-admin/includes/upgrade.php' ); |
| 747 | |
| 748 | // create post views table |
| 749 | dbDelta( ' |
| 750 | CREATE TABLE IF NOT EXISTS ' . $wpdb->prefix . 'post_views ( |
| 751 | `id` bigint unsigned NOT NULL, |
| 752 | `type` tinyint(1) unsigned NOT NULL, |
| 753 | `period` varchar(8) NOT NULL, |
| 754 | `count` bigint unsigned NOT NULL, |
| 755 | PRIMARY KEY (type, period, id), |
| 756 | UNIQUE INDEX id_type_period_count (id, type, period, count) USING BTREE, |
| 757 | INDEX type_period_count (type, period, count) USING BTREE |
| 758 | ) ' . $charset_collate . ';' |
| 759 | ); |
| 760 | |
| 761 | // add default options |
| 762 | add_option( 'post_views_counter_settings_general', $this->defaults['general'], null, false ); |
| 763 | add_option( 'post_views_counter_settings_display', $this->defaults['display'], null, false ); |
| 764 | add_option( 'post_views_counter_settings_other', $this->defaults['other'], null, false ); |
| 765 | add_option( 'post_views_counter_version', $this->defaults['version'], null, false ); |
| 766 | } |
| 767 | |
| 768 | /** |
| 769 | * Plugin deactivation. |
| 770 | * |
| 771 | * @global object $wpdb |
| 772 | * |
| 773 | * @param bool $network |
| 774 | * |
| 775 | * @return void |
| 776 | */ |
| 777 | public function deactivation( $network ) { |
| 778 | // network deactivation? |
| 779 | if ( is_multisite() && $network ) { |
| 780 | global $wpdb; |
| 781 | |
| 782 | // get all available sites |
| 783 | $blogs_ids = $wpdb->get_col( 'SELECT blog_id FROM ' . $wpdb->blogs ); |
| 784 | |
| 785 | foreach ( $blogs_ids as $blog_id ) { |
| 786 | // change to another site |
| 787 | switch_to_blog( (int) $blog_id ); |
| 788 | |
| 789 | // run current site deactivation process |
| 790 | $this->deactivate_site( true ); |
| 791 | |
| 792 | restore_current_blog(); |
| 793 | } |
| 794 | } else |
| 795 | $this->deactivate_site(); |
| 796 | } |
| 797 | |
| 798 | /** |
| 799 | * Single site deactivation. |
| 800 | * |
| 801 | * @global object $wpdb |
| 802 | * |
| 803 | * @param bool $multi |
| 804 | * |
| 805 | * @return void |
| 806 | */ |
| 807 | public function deactivate_site( $multi = false ) { |
| 808 | if ( $multi === true ) { |
| 809 | $options = get_option( 'post_views_counter_settings_other' ); |
| 810 | $check = $options['deactivation_delete']; |
| 811 | } else |
| 812 | $check = $this->options['other']['deactivation_delete']; |
| 813 | |
| 814 | // delete options if needed |
| 815 | if ( $check ) { |
| 816 | // delete options |
| 817 | delete_option( 'post_views_counter_settings_general' ); |
| 818 | delete_option( 'post_views_counter_settings_display' ); |
| 819 | delete_option( 'post_views_counter_settings_other' ); |
| 820 | delete_option( 'post_views_counter_activation_date' ); |
| 821 | delete_option( 'post_views_counter_version' ); |
| 822 | |
| 823 | // delete transients |
| 824 | delete_transient( 'post_views_counter_ip_cache' ); |
| 825 | |
| 826 | global $wpdb; |
| 827 | |
| 828 | // delete table from database |
| 829 | $wpdb->query( 'DROP TABLE IF EXISTS ' . $wpdb->prefix . 'post_views' ); |
| 830 | } |
| 831 | |
| 832 | // remove schedule |
| 833 | wp_clear_scheduled_hook( 'pvc_reset_counts' ); |
| 834 | |
| 835 | remove_action( 'pvc_reset_counts', [ $this->cron, 'reset_counts' ] ); |
| 836 | } |
| 837 | |
| 838 | /** |
| 839 | * Initialize new network site. |
| 840 | * |
| 841 | * @param object $site |
| 842 | * |
| 843 | * @return void |
| 844 | */ |
| 845 | public function init_new_network_site( $site ) { |
| 846 | if ( is_multisite() ) { |
| 847 | // change to another site |
| 848 | switch_to_blog( $site->blog_id ); |
| 849 | |
| 850 | // run current site activation process |
| 851 | $this->activate_site(); |
| 852 | |
| 853 | restore_current_blog(); |
| 854 | } |
| 855 | } |
| 856 | |
| 857 | /** |
| 858 | * Load text domain. |
| 859 | * |
| 860 | * @return void |
| 861 | */ |
| 862 | public function load_textdomain() { |
| 863 | load_plugin_textdomain( 'post-views-counter', false, POST_VIEWS_COUNTER_REL_PATH . '/languages/' ); |
| 864 | } |
| 865 | |
| 866 | /** |
| 867 | * Load pluggable template functions. |
| 868 | * |
| 869 | * @return void |
| 870 | */ |
| 871 | public function load_pluggable_functions() { |
| 872 | include_once( POST_VIEWS_COUNTER_PATH . 'includes/functions.php' ); |
| 873 | } |
| 874 | |
| 875 | /** |
| 876 | * Enqueue admin scripts and styles. |
| 877 | * |
| 878 | * @global string $post_type |
| 879 | * @global string $wp_version |
| 880 | * |
| 881 | * @param string $page |
| 882 | * |
| 883 | * @return void |
| 884 | */ |
| 885 | public function admin_enqueue_scripts( $page ) { |
| 886 | global $post_type; |
| 887 | global $wp_version; |
| 888 | |
| 889 | // register styles |
| 890 | wp_register_style( 'pvc-admin', POST_VIEWS_COUNTER_URL . '/css/admin-settings.css', [], $this->defaults['version'] ); |
| 891 | wp_register_style( 'pvc-admin-post-style', POST_VIEWS_COUNTER_URL . '/css/admin-post.css', [], $this->defaults['version'] ); |
| 892 | |
| 893 | // register scripts |
| 894 | wp_register_script( 'pvc-admin-settings', POST_VIEWS_COUNTER_URL . '/js/admin-settings.js', [ 'jquery' ], $this->defaults['version'] ); |
| 895 | wp_register_script( 'pvc-admin-post', POST_VIEWS_COUNTER_URL . '/js/admin-post.js', [ 'jquery' ], $this->defaults['version'] ); |
| 896 | wp_register_script( 'pvc-admin-quick-edit', POST_VIEWS_COUNTER_URL . '/js/admin-quick-edit.js', [ 'jquery' ], $this->defaults['version'] ); |
| 897 | |
| 898 | // load on pvc settings page |
| 899 | if ( in_array( $page, [ 'toplevel_page_post-views-counter', 'settings_page_post-views-counter' ], true ) ) { |
| 900 | wp_enqueue_script( 'pvc-admin-settings' ); |
| 901 | |
| 902 | // prepare script data |
| 903 | $script_data = [ |
| 904 | 'resetToDefaults' => esc_html__( 'Are you sure you want to reset these settings to defaults?', 'post-views-counter' ), |
| 905 | 'resetViews' => esc_html__( 'Are you sure you want to delete all existing data?', 'post-views-counter' ), |
| 906 | 'importViews' => esc_html__( 'Are you sure you want to import views now?', 'post-views-counter' ) |
| 907 | ]; |
| 908 | |
| 909 | wp_add_inline_script( 'pvc-admin-settings', 'var pvcArgsSettings = ' . wp_json_encode( $script_data ) . ";\n", 'before' ); |
| 910 | |
| 911 | wp_enqueue_style( 'pvc-admin' ); |
| 912 | // load on single post page |
| 913 | } elseif ( $page === 'post.php' || $page === 'post-new.php' ) { |
| 914 | $post_types = Post_Views_Counter()->options['general']['post_types_count']; |
| 915 | |
| 916 | if ( ! in_array( $post_type, (array) $post_types ) ) |
| 917 | return; |
| 918 | |
| 919 | wp_enqueue_style( 'pvc-admin-post-style' ); |
| 920 | |
| 921 | // only enqueue post script in classic editor (not block editor) |
| 922 | // block editor doesn't have the #post-views metabox that this script targets |
| 923 | if ( ! function_exists( 'use_block_editor_for_post' ) ) { |
| 924 | // WP < 5.0, always use classic editor |
| 925 | wp_enqueue_script( 'pvc-admin-post' ); |
| 926 | } else { |
| 927 | // get post ID from request |
| 928 | $post_id = isset( $_GET['post'] ) ? absint( $_GET['post'] ) : ( isset( $_POST['post_ID'] ) ? absint( $_POST['post_ID'] ) : 0 ); |
| 929 | |
| 930 | // check if classic editor is being used |
| 931 | if ( $post_id && ! use_block_editor_for_post( $post_id ) ) { |
| 932 | wp_enqueue_script( 'pvc-admin-post' ); |
| 933 | } elseif ( ! $post_id && $page === 'post-new.php' && ! use_block_editor_for_post_type( $post_type ) ) { |
| 934 | // new post - check if block editor is default for this post type |
| 935 | wp_enqueue_script( 'pvc-admin-post' ); |
| 936 | } |
| 937 | } |
| 938 | // edit post |
| 939 | } elseif ( $page === 'edit.php' ) { |
| 940 | $post_types = Post_Views_Counter()->options['general']['post_types_count']; |
| 941 | |
| 942 | if ( ! in_array( $post_type, (array) $post_types ) ) |
| 943 | return; |
| 944 | |
| 945 | wp_enqueue_style( 'pvc-admin-post-style' ); |
| 946 | |
| 947 | // woocommerce |
| 948 | if ( get_post_type() !== 'product' ) { |
| 949 | wp_enqueue_script( 'pvc-admin-quick-edit' ); |
| 950 | |
| 951 | // prepare script data |
| 952 | $script_data = [ |
| 953 | 'nonce' => wp_create_nonce( 'pvc_save_bulk_post_views' ), |
| 954 | 'wpVersion59' => version_compare( $wp_version, '5.9', '>=' ) |
| 955 | ]; |
| 956 | |
| 957 | wp_add_inline_script( 'pvc-admin-quick-edit', 'var pvcArgsQuickEdit = ' . wp_json_encode( $script_data ) . ";\n", 'before' ); |
| 958 | } |
| 959 | // widgets |
| 960 | } elseif ( $page === 'widgets.php' ) |
| 961 | wp_enqueue_script( 'pvc-admin-widgets', POST_VIEWS_COUNTER_URL . '/js/admin-widgets.js', [ 'jquery' ], $this->defaults['version'] ); |
| 962 | // media |
| 963 | elseif ( $page === 'upload.php' ) |
| 964 | wp_enqueue_style( 'pvc-admin-post-style' ); |
| 965 | } |
| 966 | |
| 967 | /** |
| 968 | * Load admin style inline, for menu badge only. |
| 969 | * |
| 970 | * @return void |
| 971 | */ |
| 972 | public function admin_print_styles() { |
| 973 | echo ' |
| 974 | <style> |
| 975 | .toplevel_page_post-views-counter .pvc-admin-menu-new, |
| 976 | .settings_page_post-views-counter .pvc-admin-menu-new { |
| 977 | font-size: 10px; |
| 978 | vertical-align: super; |
| 979 | color: #ffc107; |
| 980 | } |
| 981 | </style> |
| 982 | '; |
| 983 | } |
| 984 | |
| 985 | /** |
| 986 | * Get the preferred admin menu position. |
| 987 | * |
| 988 | * @return string |
| 989 | */ |
| 990 | public function get_menu_position() { |
| 991 | $position = isset( $this->options['display']['menu_position'] ) ? $this->options['display']['menu_position'] : ''; |
| 992 | |
| 993 | if ( in_array( $position, [ 'top', 'sub' ], true ) ) |
| 994 | return $position; |
| 995 | |
| 996 | if ( isset( $this->options['other']['menu_position'] ) && in_array( $this->options['other']['menu_position'], [ 'top', 'sub' ], true ) ) |
| 997 | return $this->options['other']['menu_position']; |
| 998 | |
| 999 | return 'top'; |
| 1000 | } |
| 1001 | |
| 1002 | /** |
| 1003 | * Add link to Settings page. |
| 1004 | * |
| 1005 | * @param array $links |
| 1006 | * |
| 1007 | * @return array |
| 1008 | */ |
| 1009 | public function plugin_settings_link( $links ) { |
| 1010 | if ( ! current_user_can( 'manage_options' ) ) |
| 1011 | return $links; |
| 1012 | |
| 1013 | // submenu? |
| 1014 | if ( $this->get_menu_position() === 'sub' ) |
| 1015 | $url = admin_url( 'options-general.php?page=post-views-counter' ); |
| 1016 | // topmenu? |
| 1017 | else |
| 1018 | $url = admin_url( 'admin.php?page=post-views-counter' ); |
| 1019 | |
| 1020 | array_unshift( $links, sprintf( '<a href="%s">%s</a>', esc_url_raw( $url ), esc_html__( 'Settings', 'post-views-counter' ) ) ); |
| 1021 | |
| 1022 | return $links; |
| 1023 | } |
| 1024 | } |
| 1025 | } |
| 1026 | |
| 1027 | /** |
| 1028 | * Initialize Post Views Counter. |
| 1029 | * |
| 1030 | * @return object |
| 1031 | */ |
| 1032 | function Post_Views_Counter() { |
| 1033 | static $instance; |
| 1034 | |
| 1035 | // first call to instance() initializes the plugin |
| 1036 | if ( $instance === null || ! ( $instance instanceof Post_Views_Counter ) ) |
| 1037 | $instance = Post_Views_Counter::instance(); |
| 1038 | |
| 1039 | return $instance; |
| 1040 | } |
| 1041 | |
| 1042 | Post_Views_Counter(); |
| 1043 |