Admin
2 weeks ago
Ajax
2 weeks ago
Asset
2 weeks ago
Context
2 weeks ago
Customizer
2 weeks ago
Debug_Bar
2 weeks ago
Dialog
2 weeks ago
Documentation
2 weeks ago
Duplicate
2 weeks ago
Editor
2 weeks ago
Image
2 weeks ago
JSON_LD
2 weeks ago
Languages
2 weeks ago
Log
2 weeks ago
Meta
2 weeks ago
Models
2 weeks ago
PUE
2 weeks ago
Process
2 weeks ago
Promoter
2 weeks ago
REST
2 weeks ago
Repository
2 weeks ago
Service_Providers
2 weeks ago
Shortcode
2 weeks ago
Support
2 weeks ago
Tabbed_View
2 weeks ago
Tooltip
2 weeks ago
Traits
2 weeks ago
Utils
2 weeks ago
Validator
2 weeks ago
Widget
2 weeks ago
Abstract_Deactivation.php
2 weeks ago
Abstract_Plugin_Register.php
2 weeks ago
App_Shop.php
2 weeks ago
Assets.php
2 weeks ago
Assets_Pipeline.php
2 weeks ago
Autoloader.php
2 weeks ago
Cache.php
2 weeks ago
Cache_Listener.php
2 weeks ago
Changelog_Reader.php
2 weeks ago
Container.php
2 weeks ago
Context.php
2 weeks ago
Cost_Utils.php
2 weeks ago
Credits.php
2 weeks ago
Customizer.php
2 weeks ago
DB_Lock.php
2 weeks ago
Data.php
2 weeks ago
Date_Utils.php
2 weeks ago
Db.php
2 weeks ago
Debug.php
2 weeks ago
Dependency.php
2 weeks ago
Deprecation.php
2 weeks ago
Editor.php
2 weeks ago
Error.php
2 weeks ago
Exception.php
2 weeks ago
Extension.php
2 weeks ago
Extension_Loader.php
2 weeks ago
Feature_Detection.php
2 weeks ago
Field.php
2 weeks ago
Field_Conditional.php
2 weeks ago
Freemius.php
2 weeks ago
Log.php
2 weeks ago
Main.php
2 weeks ago
Notices.php
2 weeks ago
Plugin_Meta_Links.php
2 weeks ago
Plugins.php
2 weeks ago
Plugins_API.php
2 weeks ago
Post_History.php
2 weeks ago
Post_Transient.php
2 weeks ago
Promise.php
2 weeks ago
Repository.php
2 weeks ago
Rewrite.php
2 weeks ago
Settings.php
2 weeks ago
Settings_Manager.php
2 weeks ago
Settings_Tab.php
2 weeks ago
Simple_Table.php
2 weeks ago
Support.php
2 weeks ago
Tabbed_View.php
2 weeks ago
Template.php
2 weeks ago
Template_Factory.php
2 weeks ago
Template_Part_Cache.php
2 weeks ago
Templates.php
2 weeks ago
Terms.php
2 weeks ago
Timezones.php
2 weeks ago
Tracker.php
2 weeks ago
Updater.php
2 weeks ago
Validate.php
2 weeks ago
View_Helpers.php
2 weeks ago
Cache.php
544 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Manage setting and expiring cached data |
| 5 | * |
| 6 | * Select actions can be used to force cached |
| 7 | * data to expire. Implemented so far: |
| 8 | * - save_post |
| 9 | * |
| 10 | * When used in its ArrayAccess API the cache will provide non persistent storage. |
| 11 | */ |
| 12 | class Tribe__Cache implements ArrayAccess { |
| 13 | const SCHEDULED_EVENT_DELETE_TRANSIENT = 'tribe_schedule_transient_purge'; |
| 14 | |
| 15 | const NO_EXPIRATION = 0; |
| 16 | |
| 17 | const NON_PERSISTENT = -1; |
| 18 | |
| 19 | /** |
| 20 | * @var array |
| 21 | */ |
| 22 | protected $non_persistent_keys = []; |
| 23 | |
| 24 | /** |
| 25 | * Bootstrap hook |
| 26 | * |
| 27 | * @since 4.11.0 |
| 28 | */ |
| 29 | public function hook() { |
| 30 | if ( ! wp_next_scheduled( self::SCHEDULED_EVENT_DELETE_TRANSIENT ) ) { |
| 31 | wp_schedule_event( time(), 'twicedaily', self::SCHEDULED_EVENT_DELETE_TRANSIENT ); |
| 32 | } |
| 33 | |
| 34 | add_action( self::SCHEDULED_EVENT_DELETE_TRANSIENT, [ $this, 'delete_expired_transients' ] ); |
| 35 | |
| 36 | add_action( 'shutdown', [ $this, 'maybe_delete_expired_transients' ] ); |
| 37 | } |
| 38 | |
| 39 | public static function setup() { |
| 40 | wp_cache_add_non_persistent_groups( [ 'tribe-events-non-persistent' ] ); |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * @param string $id |
| 45 | * @param mixed $value |
| 46 | * @param int $expiration |
| 47 | * @param string|array $expiration_trigger |
| 48 | * |
| 49 | * @return bool |
| 50 | */ |
| 51 | public function set( $id, $value, $expiration = 0, $expiration_trigger = '' ) { |
| 52 | $key = $this->get_id( $id, $expiration_trigger ); |
| 53 | |
| 54 | /** |
| 55 | * Filters the expiration for cache objects to provide the ability |
| 56 | * to make non-persistent objects be treated as persistent. |
| 57 | * |
| 58 | * @since 4.8 |
| 59 | * |
| 60 | * @param int $expiration Cache expiration time. |
| 61 | * @param string $id Cache ID. |
| 62 | * @param mixed $value Cache value. |
| 63 | * @param string|array $expiration_trigger Action that triggers automatic expiration. |
| 64 | * @param string $key Unique cache key based on Cache ID and expiration trigger last run time. |
| 65 | */ |
| 66 | $expiration = apply_filters( 'tribe_cache_expiration', $expiration, $id, $value, $expiration_trigger, $key ); |
| 67 | |
| 68 | if ( self::NON_PERSISTENT === $expiration ) { |
| 69 | $group = 'tribe-events-non-persistent'; |
| 70 | $expiration = 1; |
| 71 | |
| 72 | // Add so we know what group to use in the future. |
| 73 | $this->non_persistent_keys[ $id ] = $id; |
| 74 | } else { |
| 75 | $group = 'tribe-events'; |
| 76 | } |
| 77 | |
| 78 | return wp_cache_set( $key, $value, $group, $expiration ); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * @param $id |
| 83 | * @param $value |
| 84 | * @param int $expiration |
| 85 | * @param string|array $expiration_trigger |
| 86 | * |
| 87 | * @return bool |
| 88 | */ |
| 89 | public function set_transient( $id, $value, $expiration = 0, $expiration_trigger = '' ) { |
| 90 | if ( $this->data_size_over_packet_size( $value ) ) { |
| 91 | return false; |
| 92 | } |
| 93 | |
| 94 | return set_transient( $this->get_id( $id, $expiration_trigger ), $value, $expiration ); |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Get cached data. Optionally set data if not previously set. |
| 99 | * |
| 100 | * Note: When a default value or callback is specified, this value gets set in the cache. |
| 101 | * |
| 102 | * @param string $id The key for the cached value. |
| 103 | * @param string|array $expiration_trigger Optional. Hook to trigger cache invalidation. |
| 104 | * @param mixed $default Optional. A default value or callback that returns a default value. |
| 105 | * @param int $expiration Optional. When the default value expires, if it gets set. |
| 106 | * @param mixed $args Optional. Args passed to callback. |
| 107 | * |
| 108 | * @return mixed |
| 109 | */ |
| 110 | public function get( $id, $expiration_trigger = '', $default = false, $expiration = 0, $args = [] ) { |
| 111 | $group = isset( $this->non_persistent_keys[ $id ] ) ? 'tribe-events-non-persistent' : 'tribe-events'; |
| 112 | $value = wp_cache_get( $this->get_id( $id, $expiration_trigger ), $group ); |
| 113 | |
| 114 | // Value found. |
| 115 | if ( false !== $value ) { |
| 116 | return $value; |
| 117 | } |
| 118 | |
| 119 | if ( is_callable( $default ) ) { |
| 120 | // A callback has been specified. |
| 121 | $value = call_user_func_array( $default, $args ); |
| 122 | } else { |
| 123 | // Default is a value. |
| 124 | $value = $default; |
| 125 | } |
| 126 | |
| 127 | // No need to set a cache value to false since non-existent values return false. |
| 128 | if ( false !== $value ) { |
| 129 | $this->set( $id, $value, $expiration, $expiration_trigger ); |
| 130 | } |
| 131 | |
| 132 | return $value; |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * @param string $id |
| 137 | * @param string|array $expiration_trigger |
| 138 | * |
| 139 | * @return mixed |
| 140 | */ |
| 141 | public function get_transient( $id, $expiration_trigger = '' ) { |
| 142 | return get_transient( $this->get_id( $id, $expiration_trigger ) ); |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * @param string $id |
| 147 | * @param string|array $expiration_trigger |
| 148 | * |
| 149 | * @return bool |
| 150 | */ |
| 151 | public function delete( $id, $expiration_trigger = '' ) { |
| 152 | $group = isset( $this->non_persistent_keys[ $id ] ) ? 'tribe-events-non-persistent' : 'tribe-events'; |
| 153 | |
| 154 | // Delete from non-persistent keys list. |
| 155 | if ( 'tribe-events-non-persistent' === $group ) { |
| 156 | unset( $this->non_persistent_keys[ $id ] ); |
| 157 | } |
| 158 | |
| 159 | return wp_cache_delete( $this->get_id( $id, $expiration_trigger ), $group ); |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * @param string $id |
| 164 | * @param string|array $expiration_trigger |
| 165 | * |
| 166 | * @return bool |
| 167 | */ |
| 168 | public function delete_transient( $id, $expiration_trigger = '' ) { |
| 169 | return delete_transient( $this->get_id( $id, $expiration_trigger ) ); |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Purge all expired tribe_ transients. |
| 174 | * |
| 175 | * This uses a modification of the the query from https://core.trac.wordpress.org/ticket/20316 |
| 176 | * |
| 177 | * @since 4.11.0 |
| 178 | * |
| 179 | * @return void Just execute the database SQL no return required. |
| 180 | */ |
| 181 | public function delete_expired_transients() { |
| 182 | if ( tribe_get_var( 'has_deleted_expired_transients', false ) ) { |
| 183 | return; |
| 184 | } |
| 185 | |
| 186 | global $wpdb; |
| 187 | |
| 188 | $time = time(); |
| 189 | |
| 190 | $sql = " |
| 191 | DELETE |
| 192 | a, |
| 193 | b |
| 194 | FROM |
| 195 | {$wpdb->options} a |
| 196 | INNER JOIN {$wpdb->options} b |
| 197 | ON b.option_name = CONCAT( '_transient_timeout_', SUBSTRING( a.option_name, 12 ) ) |
| 198 | AND b.option_value < {$time} |
| 199 | WHERE |
| 200 | a.option_name LIKE '\_transient\_tribe\_%' |
| 201 | AND a.option_name NOT LIKE '\_transient\_timeout\_tribe\_%' |
| 202 | "; |
| 203 | |
| 204 | /** |
| 205 | * Allow third party filtering of the SQL used for deleting expired transients. |
| 206 | * |
| 207 | * @since 4.11.5 |
| 208 | * |
| 209 | * @param string $sql The SQL we execute to delete all the expired transients. |
| 210 | * @param int $time Time we are using to determine what is expired. |
| 211 | */ |
| 212 | $sql = apply_filters( 'tribe_cache_delete_expired_transients_sql', $sql, $time ); |
| 213 | |
| 214 | if ( empty( $sql ) ) { |
| 215 | return; |
| 216 | } |
| 217 | |
| 218 | $wpdb->query( $sql ); |
| 219 | |
| 220 | // Set the variable to prevent this call from running twice. |
| 221 | tribe_set_var( 'has_deleted_expired_transients', true ); |
| 222 | } |
| 223 | |
| 224 | /** |
| 225 | * Flag if we should delete |
| 226 | * |
| 227 | * @since 4.11.5 |
| 228 | * |
| 229 | * @param boolean $value If we should delete transients or not on shutdown. |
| 230 | * |
| 231 | * @return void No return for setting the flag. |
| 232 | */ |
| 233 | public function flag_required_delete_transients( $value = true ) { |
| 234 | tribe_set_var( 'should_delete_expired_transients', $value ); |
| 235 | } |
| 236 | |
| 237 | /** |
| 238 | * Runs on hook `shutdown` and will delete transients on the end of the request. |
| 239 | * |
| 240 | * @since 4.11.5 |
| 241 | * |
| 242 | * @return void No return for action hook method. |
| 243 | */ |
| 244 | public function maybe_delete_expired_transients() { |
| 245 | if ( ! tribe_get_var( 'should_delete_expired_transients', false ) ) { |
| 246 | return; |
| 247 | } |
| 248 | |
| 249 | $this->delete_expired_transients(); |
| 250 | } |
| 251 | |
| 252 | /** |
| 253 | * @param string $key |
| 254 | * @param string|array $expiration_trigger |
| 255 | * |
| 256 | * @return string |
| 257 | */ |
| 258 | public function get_id( $key, $expiration_trigger = '' ) { |
| 259 | if ( is_array( $expiration_trigger ) ) { |
| 260 | $triggers = $expiration_trigger; |
| 261 | } else { |
| 262 | $triggers = array_filter( explode( '|', $expiration_trigger ) ); |
| 263 | } |
| 264 | |
| 265 | $last = 0; |
| 266 | foreach ( $triggers as $trigger ) { |
| 267 | // Bail on empty trigger otherwise it creates a `tribe_last_` opt on the DB. |
| 268 | if ( empty( $trigger ) ) { |
| 269 | continue; |
| 270 | } |
| 271 | |
| 272 | $occurrence = $this->get_last_occurrence( $trigger ); |
| 273 | |
| 274 | if ( $occurrence > $last ) { |
| 275 | $last = $occurrence; |
| 276 | } |
| 277 | } |
| 278 | |
| 279 | $last = empty( $last ) ? '' : $last; |
| 280 | $id = $key . $last; |
| 281 | if ( strlen( $id ) > 80 ) { |
| 282 | $id = 'tribe_' . md5( $id ); |
| 283 | } |
| 284 | |
| 285 | return $id; |
| 286 | } |
| 287 | |
| 288 | /** |
| 289 | * Returns the time of an action last occurrence. |
| 290 | * |
| 291 | * @since 4.9.14 Changed the return value type from `int` to `float`. |
| 292 | * |
| 293 | * @param string $action The action to return the time for. |
| 294 | * |
| 295 | * @return float The time (microtime) an action last occurred, or the current microtime if it never occurred. |
| 296 | */ |
| 297 | public function get_last_occurrence( $action ) { |
| 298 | static $cache_var_name = __METHOD__; |
| 299 | |
| 300 | $cache_last_actions = tribe_get_var( $cache_var_name, [] ); |
| 301 | |
| 302 | if ( isset( $cache_last_actions[ $action ] ) ) { |
| 303 | return $cache_last_actions[ $action ]; |
| 304 | } |
| 305 | |
| 306 | $last_action = (float) get_option( 'tribe_last_' . $action, null ); |
| 307 | |
| 308 | if ( ! $last_action ) { |
| 309 | $last_action = microtime( true ); |
| 310 | $this->set_last_occurrence( $action, $last_action ); |
| 311 | } |
| 312 | |
| 313 | $cache_last_actions[ $action ] = (float) $last_action; |
| 314 | |
| 315 | tribe_set_var( $cache_var_name, $cache_last_actions ); |
| 316 | |
| 317 | return $cache_last_actions[ $action ]; |
| 318 | } |
| 319 | |
| 320 | /** |
| 321 | * Sets the time (microtime) for an action last occurrence. |
| 322 | * |
| 323 | * @since 4.9.14 Changed the type of the time stored from an `int` to a `float`. |
| 324 | * |
| 325 | * @param string $action The action to record the last occurrence of. |
| 326 | * @param int|float $timestamp The timestamp to assign to the action last occurrence or the current time (microtime). |
| 327 | * |
| 328 | * @return boolean IF we were able to set the last occurrence or not. |
| 329 | */ |
| 330 | public function set_last_occurrence( $action, $timestamp = 0 ) { |
| 331 | if ( empty( $timestamp ) ) { |
| 332 | $timestamp = microtime( true ); |
| 333 | } |
| 334 | $updated = update_option( 'tribe_last_' . $action, (float) $timestamp ); |
| 335 | |
| 336 | // For performance reasons we will only expire cache once per request, when needed. |
| 337 | if ( $updated ) { |
| 338 | $this->flag_required_delete_transients( true ); |
| 339 | } |
| 340 | |
| 341 | return $updated; |
| 342 | } |
| 343 | |
| 344 | /** |
| 345 | * Builds a key from an array of components and an optional prefix. |
| 346 | * |
| 347 | * @param mixed $components Either a single component of the key or an array of key components. |
| 348 | * @param string $prefix |
| 349 | * @param bool $sort Whether component arrays should be sorted or not to generate the key; defaults to |
| 350 | * `true`. |
| 351 | * |
| 352 | * @return string The resulting key. |
| 353 | */ |
| 354 | public function make_key( $components, $prefix = '', $sort = true ) { |
| 355 | $key = ''; |
| 356 | $components = is_array( $components ) ? $components : [ $components ]; |
| 357 | foreach ( $components as $component ) { |
| 358 | if ( $sort && is_array( $component ) ) { |
| 359 | $is_associative = count( array_filter( array_keys( $component ), 'is_numeric' ) ) < count( array_keys( $component ) ); |
| 360 | if ( $is_associative ) { |
| 361 | ksort( $component ); |
| 362 | } else { |
| 363 | sort( $component ); |
| 364 | } |
| 365 | } |
| 366 | $key .= maybe_serialize( $component ); |
| 367 | } |
| 368 | |
| 369 | return $this->get_id( $prefix . md5( $key ) ); |
| 370 | } |
| 371 | |
| 372 | /** |
| 373 | * Whether a offset exists. |
| 374 | * |
| 375 | * @since 4.11.0 |
| 376 | * |
| 377 | * @link http://php.net/manual/en/arrayaccess.offsetexists.php |
| 378 | * |
| 379 | * @param mixed $offset An offset to check for. |
| 380 | * |
| 381 | * @return boolean Whether the offset exists in the cache. |
| 382 | */ |
| 383 | #[\ReturnTypeWillChange] |
| 384 | public function offsetExists( $offset ) { |
| 385 | return isset( $this->non_persistent_keys[ $offset ] ); |
| 386 | } |
| 387 | |
| 388 | /** |
| 389 | * Offset to retrieve. |
| 390 | * |
| 391 | * @link http://php.net/manual/en/arrayaccess.offsetget.php |
| 392 | * |
| 393 | * @since 4.11.0 |
| 394 | * |
| 395 | * @param mixed $offset The offset to retrieve. |
| 396 | * |
| 397 | * @return mixed Can return all value types. |
| 398 | */ |
| 399 | #[\ReturnTypeWillChange] |
| 400 | public function offsetGet( $offset ) { |
| 401 | return $this->get( $offset ); |
| 402 | } |
| 403 | |
| 404 | /** |
| 405 | * Offset to set. |
| 406 | * |
| 407 | * @since 4.11.0 |
| 408 | * |
| 409 | * @link http://php.net/manual/en/arrayaccess.offsetset.php |
| 410 | * |
| 411 | * @param mixed $offset The offset to assign the value to. |
| 412 | * @param mixed $value The value to set. |
| 413 | * |
| 414 | * @return void |
| 415 | */ |
| 416 | #[\ReturnTypeWillChange] |
| 417 | public function offsetSet( $offset, $value ) { |
| 418 | $this->set( $offset, $value, self::NON_PERSISTENT ); |
| 419 | } |
| 420 | |
| 421 | /** |
| 422 | * Offset to unset. |
| 423 | * |
| 424 | * @since 4.11.0 |
| 425 | * |
| 426 | * @link http://php.net/manual/en/arrayaccess.offsetunset.php |
| 427 | * |
| 428 | * @param mixed $offset The offset to unset. |
| 429 | * |
| 430 | * @return void |
| 431 | */ |
| 432 | #[\ReturnTypeWillChange] |
| 433 | public function offsetUnset( $offset ) { |
| 434 | $this->delete( $offset ); |
| 435 | } |
| 436 | |
| 437 | /** |
| 438 | * Warms up the caches for a collection of posts. |
| 439 | * |
| 440 | * @since 4.10.2 |
| 441 | * |
| 442 | * @param array|int $post_ids A post ID, or a collection of post IDs. |
| 443 | * @param bool $update_post_meta_cache Whether to warm-up the post meta cache for the posts or not. |
| 444 | */ |
| 445 | public function warmup_post_caches( $post_ids, $update_post_meta_cache = false ) { |
| 446 | if ( empty( $post_ids ) ) { |
| 447 | return; |
| 448 | } |
| 449 | |
| 450 | $post_ids = (array) $post_ids; |
| 451 | |
| 452 | global $wpdb; |
| 453 | |
| 454 | $already_cached_ids = []; |
| 455 | foreach ( $post_ids as $post_id ) { |
| 456 | if ( wp_cache_get( $post_id, 'posts' ) instanceof \WP_Post ) { |
| 457 | $already_cached_ids[] = $post_id; |
| 458 | } |
| 459 | } |
| 460 | |
| 461 | $required = array_diff( $post_ids, $already_cached_ids ); |
| 462 | |
| 463 | if ( empty( $required ) ) { |
| 464 | return; |
| 465 | } |
| 466 | |
| 467 | /** @var Tribe__Feature_Detection $feature_detection */ |
| 468 | $feature_detection = tribe( 'feature-detection' ); |
| 469 | $limit = $feature_detection->mysql_limit_for_example( 'post_result' ); |
| 470 | |
| 471 | /** |
| 472 | * Filters the LIMIT that should be used to warm-up post caches and postmeta caches (if the |
| 473 | * `$update_post_meta_cache` parameter is `true`). |
| 474 | * |
| 475 | * Lower this value on less powerful hosts. Return `0` to disable the warm-up completely, and `-1` to remove the |
| 476 | * limit (not recommended). |
| 477 | * |
| 478 | * @since 4.10.2 |
| 479 | * |
| 480 | * @param int $limit The number of posts whose caches will be warmed up, per query. |
| 481 | */ |
| 482 | $limit = (int) apply_filters( 'tribe_cache_warmup_post_cache_limit', min( $limit, count( $post_ids ) ) ); |
| 483 | |
| 484 | if ( 0 === $limit ) { |
| 485 | // Warmup disabled. |
| 486 | return; |
| 487 | } |
| 488 | |
| 489 | $buffer = $post_ids; |
| 490 | $page = 0; |
| 491 | |
| 492 | do { |
| 493 | $limit_clause = $limit < 0 ? sprintf( 'LIMIT %d,%d', $limit * $page, $limit ) : ''; |
| 494 | $page++; |
| 495 | $these_ids = array_splice( $buffer, 0, $limit ); |
| 496 | $interval = implode( ',', array_map( 'absint', $these_ids ) ); |
| 497 | $posts_query = "SELECT * FROM {$wpdb->posts} WHERE ID IN ({$interval}) {$limit_clause}"; |
| 498 | $post_objects = $wpdb->get_results( $posts_query ); |
| 499 | if ( is_array( $post_objects ) && ! empty( $post_objects ) ) { |
| 500 | foreach ( $post_objects as $post_object ) { |
| 501 | $post = new \WP_Post( $post_object ); |
| 502 | wp_cache_set( $post_object->ID, $post, 'posts' ); |
| 503 | } |
| 504 | |
| 505 | if ( $update_post_meta_cache ) { |
| 506 | update_meta_cache( 'post', $these_ids ); |
| 507 | } |
| 508 | } |
| 509 | } while ( ! empty( $post_objects ) && is_array( $post_objects ) && count( $post_objects ) < count( $post_ids ) ); |
| 510 | } |
| 511 | |
| 512 | /** |
| 513 | * If NOT using an external object caching system, then check if the size, in bytes, of the data |
| 514 | * to write to the database would fit into the `max_allowed_packet` setting or not. |
| 515 | * |
| 516 | * @since 4.12.14 |
| 517 | * |
| 518 | * @param string|array|object $value The value to check. |
| 519 | * |
| 520 | * @return bool Whether the data, in its serialized form, would fit into the current database `max_allowed_packet` |
| 521 | * setting or not. |
| 522 | */ |
| 523 | public function data_size_over_packet_size( $value ) { |
| 524 | if ( wp_using_ext_object_cache() ) { |
| 525 | // We cannot know and that is a concern of the external caching system. |
| 526 | return false; |
| 527 | } |
| 528 | |
| 529 | try { |
| 530 | $serialized_value = maybe_serialize( $value ); |
| 531 | $size = strlen( $serialized_value ); |
| 532 | } catch ( Exception $e ) { |
| 533 | // The underlying function would run into the same issue, bail and do not set the transient. |
| 534 | return true; |
| 535 | } |
| 536 | |
| 537 | /** @var Tribe__Feature_Detection $feature_detection */ |
| 538 | $feature_detection = tribe( 'feature-detection' ); |
| 539 | |
| 540 | // If the size of the string is above 90% of the database `max_allowed_packet` setting, then it should not be written to the db. |
| 541 | return $size > ( $feature_detection->get_mysql_max_packet_size() * .9 ); |
| 542 | } |
| 543 | } |
| 544 |