| 1 |
<?php |
| 2 |
/** |
| 3 |
* Plugin cache handling. |
| 4 |
* |
| 5 |
* @package System |
| 6 |
* @author Pierre Lannoy <https://pierre.lannoy.fr/>. |
| 7 |
* @since 1.0.0 |
| 8 |
* @noinspection PhpCSValidationInspection |
| 9 |
*/ |
| 10 |
|
| 11 |
namespace POSessions\System; |
| 12 |
|
| 13 |
use POSessions\System\Conversion; |
| 14 |
|
| 15 |
/** |
| 16 |
* The class responsible to handle cache management. |
| 17 |
* |
| 18 |
* @package System |
| 19 |
* @author Pierre Lannoy <https://pierre.lannoy.fr/>. |
| 20 |
* @since 1.0.0 |
| 21 |
*/ |
| 22 |
class Cache { |
| 23 |
|
| 24 |
/** |
| 25 |
* The pool's name, specific to the calling plugin. |
| 26 |
* |
| 27 |
* @since 1.0.0 |
| 28 |
* @var string $pool_name The pool's name. |
| 29 |
*/ |
| 30 |
private static $pool_name = POSE_SLUG; |
| 31 |
|
| 32 |
/** |
| 33 |
* Available TTLs. |
| 34 |
* |
| 35 |
* @since 1.0.0 |
| 36 |
* @var array $ttls The TTLs array. |
| 37 |
*/ |
| 38 |
private static $ttls = []; |
| 39 |
|
| 40 |
/** |
| 41 |
* Default TTL. |
| 42 |
* |
| 43 |
* @since 1.0.0 |
| 44 |
* @var integer $default_ttl The default TTL in seconds. |
| 45 |
*/ |
| 46 |
private static $default_ttl = 3600; |
| 47 |
|
| 48 |
/** |
| 49 |
* Is APCu available. |
| 50 |
* |
| 51 |
* @since 1.0.0 |
| 52 |
* @var boolean $apcu_available Is APCu available. |
| 53 |
*/ |
| 54 |
private static $apcu_available = false; |
| 55 |
|
| 56 |
/** |
| 57 |
* Hits values. |
| 58 |
* |
| 59 |
* @since 1.0.0 |
| 60 |
* @var array $hit Hits values. |
| 61 |
*/ |
| 62 |
private static $hit = []; |
| 63 |
|
| 64 |
/** |
| 65 |
* Miss values. |
| 66 |
* |
| 67 |
* @since 1.0.0 |
| 68 |
* @var array $miss Miss values. |
| 69 |
*/ |
| 70 |
private static $miss = []; |
| 71 |
|
| 72 |
/** |
| 73 |
* Current (temporary) values. |
| 74 |
* |
| 75 |
* @since 1.0.0 |
| 76 |
* @var array $current Current (temporary) values. |
| 77 |
*/ |
| 78 |
private static $current = []; |
| 79 |
|
| 80 |
/** |
| 81 |
* Initializes the class and set its properties. |
| 82 |
* |
| 83 |
* @since 1.0.0 |
| 84 |
*/ |
| 85 |
public function __construct() { |
| 86 |
self::init(); |
| 87 |
} |
| 88 |
|
| 89 |
/** |
| 90 |
* Verify if cache is in memory. |
| 91 |
* |
| 92 |
* @since 1.0.0 |
| 93 |
*/ |
| 94 |
public static function is_memory() { |
| 95 |
return wp_using_ext_object_cache() || self::$apcu_available; |
| 96 |
} |
| 97 |
|
| 98 |
/** |
| 99 |
* Initializes properties. |
| 100 |
* |
| 101 |
* @since 1.0.0 |
| 102 |
*/ |
| 103 |
public static function init() { |
| 104 |
self::$ttls = [ |
| 105 |
'ephemeral' => 0, |
| 106 |
'infinite' => 10 * YEAR_IN_SECONDS, |
| 107 |
'diagnosis' => HOUR_IN_SECONDS, |
| 108 |
'plugin-statistics' => DAY_IN_SECONDS, |
| 109 |
]; |
| 110 |
if ( wp_using_ext_object_cache() ) { |
| 111 |
wp_cache_add_global_groups( self::$pool_name ); |
| 112 |
} |
| 113 |
self::$apcu_available = function_exists( 'apcu_delete' ) && function_exists( 'apcu_fetch' ) && function_exists( 'apcu_store' ); |
| 114 |
add_action( 'shutdown', [ 'POSessions\System\Cache', 'log_debug' ], 10, 0 ); |
| 115 |
add_filter( 'perfopsone_icache_introspection', [ 'POSessions\System\Cache', 'introspection' ] ); |
| 116 |
} |
| 117 |
|
| 118 |
/** |
| 119 |
* Get the introspection endpoint. |
| 120 |
* |
| 121 |
* @since 1.0.0 |
| 122 |
*/ |
| 123 |
public static function introspection( $endpoints ) { |
| 124 |
$endpoints[ POSE_SLUG ] = [ 'name' => POSE_PRODUCT_NAME, 'version' => POSE_VERSION, 'endpoint' => [ 'POSessions\System\Cache', 'get_analytics' ] ]; |
| 125 |
return $endpoints; |
| 126 |
} |
| 127 |
|
| 128 |
/** |
| 129 |
* Get an ID for caching. |
| 130 |
* |
| 131 |
* @since 1.0.0 |
| 132 |
*/ |
| 133 |
public static function id( $args, $path = 'data/' ) { |
| 134 |
if ( '/' === $path[0] ) { |
| 135 |
$path = substr( $path, 1 ); |
| 136 |
} |
| 137 |
if ( '/' !== $path[ strlen( $path ) - 1 ] ) { |
| 138 |
$path = $path . '/'; |
| 139 |
} |
| 140 |
return $path . md5( (string) $args ); |
| 141 |
} |
| 142 |
|
| 143 |
/** |
| 144 |
* Full item name. |
| 145 |
* |
| 146 |
* @param string $item_name Item name. Expected to not be SQL-escaped. |
| 147 |
* @param boolean $blog_aware Optional. Has the name must take care of blog. |
| 148 |
* @param boolean $locale_aware Optional. Has the name must take care of locale. |
| 149 |
* @param boolean $user_aware Optional. Has the name must take care of user. |
| 150 |
* @return string The full item name. |
| 151 |
* @since 1.0.0 |
| 152 |
*/ |
| 153 |
private static function full_item_name( $item_name, $blog_aware = false, $locale_aware = false, $user_aware = false ) { |
| 154 |
$name = ''; |
| 155 |
if ( $blog_aware ) { |
| 156 |
$name .= (string) get_current_blog_id() . '/'; |
| 157 |
} |
| 158 |
if ( $locale_aware ) { |
| 159 |
$name .= (string) L10n::get_display_locale() . '/'; |
| 160 |
} |
| 161 |
if ( $user_aware ) { |
| 162 |
$name .= (string) User::get_current_user_id() . '/'; |
| 163 |
} |
| 164 |
$name .= $item_name; |
| 165 |
return substr( trim( $name ), 0, 172 - strlen( self::$pool_name ) ); |
| 166 |
} |
| 167 |
|
| 168 |
/** |
| 169 |
* Normalized item name. |
| 170 |
* |
| 171 |
* @param string $item_name Item name. Expected to not be SQL-escaped. |
| 172 |
* @return string The normalized item name. |
| 173 |
* @since 1.0.0 |
| 174 |
*/ |
| 175 |
private static function normalized_item_name( $item_name ) { |
| 176 |
if ( '/' === $item_name[0] ) { |
| 177 |
$item_name = substr( $item_name, 1 ); |
| 178 |
} |
| 179 |
while ( 0 !== substr_count( $item_name, '//' ) ) { |
| 180 |
$item_name = str_replace( '//', '/', $item_name ); |
| 181 |
} |
| 182 |
$item_name = str_replace( '/', '_', $item_name ); |
| 183 |
return strtolower( $item_name ); |
| 184 |
} |
| 185 |
|
| 186 |
/** |
| 187 |
* Get the value of a fully named cache item. |
| 188 |
* |
| 189 |
* If the item does not exist, does not have a value, or has expired, |
| 190 |
* then the return value will be false. |
| 191 |
* |
| 192 |
* @param string $item_name Item name. Expected to not be SQL-escaped. |
| 193 |
* @return mixed Value of item. |
| 194 |
* @since 1.0.0 |
| 195 |
*/ |
| 196 |
private static function get_for_full_name( $item_name ) { |
| 197 |
$chrono = microtime( true ); |
| 198 |
$item_name = self::normalized_item_name( $item_name ); |
| 199 |
$found = false; |
| 200 |
if ( self::$apcu_available ) { |
| 201 |
$result = apcu_fetch( self::$pool_name . '_' . $item_name, $found ); |
| 202 |
} else { |
| 203 |
$result = get_transient( self::$pool_name . '_' . $item_name ); |
| 204 |
$found = false !== $result; |
| 205 |
} |
| 206 |
if ( $found ) { |
| 207 |
self::$hit[] = [ |
| 208 |
'time' => microtime( true ) - $chrono, |
| 209 |
'size' => strlen( serialize( $result ) ), |
| 210 |
]; |
| 211 |
return $result; |
| 212 |
} else { |
| 213 |
self::$current[ $item_name ] = $chrono; |
| 214 |
return null; |
| 215 |
} |
| 216 |
} |
| 217 |
|
| 218 |
/** |
| 219 |
* Get the value of a shared cache item. |
| 220 |
* |
| 221 |
* If the item does not exist, does not have a value, or has expired, |
| 222 |
* then the return value will be false. |
| 223 |
* |
| 224 |
* @param string $item_name Item name. Expected to not be SQL-escaped. |
| 225 |
* @return mixed Value of item. |
| 226 |
* @since 1.0.0 |
| 227 |
*/ |
| 228 |
public static function get_shared( $item_name ) { |
| 229 |
$save = self::$pool_name; |
| 230 |
self::$pool_name = 'perfopsone'; |
| 231 |
$result = self::get_for_full_name( self::full_item_name( $item_name ) ); |
| 232 |
self::$pool_name = $save; |
| 233 |
return $result; |
| 234 |
} |
| 235 |
|
| 236 |
/** |
| 237 |
* Get the value of a global cache item. |
| 238 |
* |
| 239 |
* If the item does not exist, does not have a value, or has expired, |
| 240 |
* then the return value will be false. |
| 241 |
* |
| 242 |
* @param string $item_name Item name. Expected to not be SQL-escaped. |
| 243 |
* @return mixed Value of item. |
| 244 |
* @since 1.0.0 |
| 245 |
*/ |
| 246 |
public static function get_global( $item_name ) { |
| 247 |
return self::get_for_full_name( self::full_item_name( $item_name ) ); |
| 248 |
} |
| 249 |
|
| 250 |
/** |
| 251 |
* Get the value of a standard cache item. |
| 252 |
* |
| 253 |
* If the item does not exist, does not have a value, or has expired, |
| 254 |
* then the return value will be false. |
| 255 |
* |
| 256 |
* @param string $item_name Item name. Expected to not be SQL-escaped. |
| 257 |
* @param boolean $blog_aware Optional. Has the name must take care of blog. |
| 258 |
* @param boolean $locale_aware Optional. Has the name must take care of locale. |
| 259 |
* @param boolean $user_aware Optional. Has the name must take care of user. |
| 260 |
* @return mixed Value of item. |
| 261 |
* @since 1.0.0 |
| 262 |
*/ |
| 263 |
public static function get( $item_name, $blog_aware = false, $locale_aware = false, $user_aware = false ) { |
| 264 |
return self::get_for_full_name( self::full_item_name( $item_name, $blog_aware, $locale_aware, $user_aware ) ); |
| 265 |
} |
| 266 |
|
| 267 |
/** |
| 268 |
* Set the value of a fully named cache item. |
| 269 |
* |
| 270 |
* You do not need to serialize values. If the value needs to be serialized, then |
| 271 |
* it will be serialized before it is set. |
| 272 |
* |
| 273 |
* @param string $item_name Item name. Expected to not be SQL-escaped. |
| 274 |
* @param mixed $value Item value. Must be serializable if non-scalar. |
| 275 |
* Expected to not be SQL-escaped. |
| 276 |
* @param int|string $ttl Optional. The previously defined ttl @see self::init() if it's a string. |
| 277 |
* The ttl value in seconds if it's and integer. |
| 278 |
* @return bool False if value was not set and true if value was set. |
| 279 |
* @since 1.0.0 |
| 280 |
*/ |
| 281 |
private static function set_for_full_name( $item_name, $value, $ttl = 'default' ) { |
| 282 |
$item_name = self::normalized_item_name( $item_name ); |
| 283 |
$expiration = self::$default_ttl; |
| 284 |
if ( is_string( $ttl ) && array_key_exists( $ttl, self::$ttls ) ) { |
| 285 |
$expiration = self::$ttls[ $ttl ]; |
| 286 |
} |
| 287 |
if ( is_integer( $ttl ) && 0 < (int) $ttl ) { |
| 288 |
$expiration = (int) $ttl; |
| 289 |
} |
| 290 |
if ( $expiration > 0 ) { |
| 291 |
if ( self::$apcu_available ) { |
| 292 |
$result = apcu_store( self::$pool_name . '_' . $item_name, $value, $expiration ); |
| 293 |
} else { |
| 294 |
$result = set_transient( self::$pool_name . '_' . $item_name, $value, $expiration ); |
| 295 |
} |
| 296 |
if ( array_key_exists( $item_name, self::$current ) ) { |
| 297 |
self::$miss[] = [ |
| 298 |
'time' => microtime( true ) - self::$current[ $item_name ], |
| 299 |
'size' => strlen( serialize( $result ) ), |
| 300 |
]; |
| 301 |
} |
| 302 |
} else { |
| 303 |
$result = false; |
| 304 |
} |
| 305 |
return $result; |
| 306 |
} |
| 307 |
|
| 308 |
/** |
| 309 |
* Set the value of a shared cache item. |
| 310 |
* |
| 311 |
* You do not need to serialize values. If the value needs to be serialized, then |
| 312 |
* it will be serialized before it is set. |
| 313 |
* |
| 314 |
* @param string $item_name Item name. Expected to not be SQL-escaped. |
| 315 |
* @param mixed $value Item value. Must be serializable if non-scalar. |
| 316 |
* Expected to not be SQL-escaped. |
| 317 |
* @param int|string $ttl Optional. The previously defined ttl @see self::init() if it's a string. |
| 318 |
* The ttl value in seconds if it's and integer. |
| 319 |
* @return bool False if value was not set and true if value was set. |
| 320 |
* @since 1.0.0 |
| 321 |
*/ |
| 322 |
public static function set_shared( $item_name, $value, $ttl = 'default' ) { |
| 323 |
$save = self::$pool_name; |
| 324 |
self::$pool_name = 'perfopsone'; |
| 325 |
$result = self::set_for_full_name( self::full_item_name( $item_name ), $value, $ttl ); |
| 326 |
self::$pool_name = $save; |
| 327 |
return $result; |
| 328 |
} |
| 329 |
|
| 330 |
/** |
| 331 |
* Set the value of a global cache item. |
| 332 |
* |
| 333 |
* You do not need to serialize values. If the value needs to be serialized, then |
| 334 |
* it will be serialized before it is set. |
| 335 |
* |
| 336 |
* @param string $item_name Item name. Expected to not be SQL-escaped. |
| 337 |
* @param mixed $value Item value. Must be serializable if non-scalar. |
| 338 |
* Expected to not be SQL-escaped. |
| 339 |
* @param int|string $ttl Optional. The previously defined ttl @see self::init() if it's a string. |
| 340 |
* The ttl value in seconds if it's and integer. |
| 341 |
* @return bool False if value was not set and true if value was set. |
| 342 |
* @since 1.0.0 |
| 343 |
*/ |
| 344 |
public static function set_global( $item_name, $value, $ttl = 'default' ) { |
| 345 |
return self::set_for_full_name( self::full_item_name( $item_name ), $value, $ttl ); |
| 346 |
} |
| 347 |
|
| 348 |
/** |
| 349 |
* Set the value of a standard cache item. |
| 350 |
* |
| 351 |
* You do not need to serialize values. If the value needs to be serialized, then |
| 352 |
* it will be serialized before it is set. |
| 353 |
* |
| 354 |
* @param string $item_name Item name. Expected to not be SQL-escaped. |
| 355 |
* @param mixed $value Item value. Must be serializable if non-scalar. |
| 356 |
* Expected to not be SQL-escaped. |
| 357 |
* @param int|string $ttl Optional. The previously defined ttl @see self::init() if it's a string. |
| 358 |
* The ttl value in seconds if it's and integer. |
| 359 |
* @param boolean $blog_aware Optional. Has the name must take care of blog. |
| 360 |
* @param boolean $locale_aware Optional. Has the name must take care of locale. |
| 361 |
* @param boolean $user_aware Optional. Has the name must take care of user. |
| 362 |
* @return bool False if value was not set and true if value was set. |
| 363 |
* @since 1.0.0 |
| 364 |
*/ |
| 365 |
public static function set( $item_name, $value, $ttl = 'default', $blog_aware = false, $locale_aware = false, $user_aware = false ) { |
| 366 |
return self::set_for_full_name( self::full_item_name( $item_name, $blog_aware, $locale_aware, $user_aware ), $value, $ttl ); |
| 367 |
} |
| 368 |
|
| 369 |
/** |
| 370 |
* Delete the value of a fully named cache item. |
| 371 |
* |
| 372 |
* This function accepts generic car "*" for transients. |
| 373 |
* |
| 374 |
* @param string $item_name Item name. Expected to not be SQL-escaped. |
| 375 |
* @return integer Number of deleted items. |
| 376 |
* @since 1.0.0 |
| 377 |
*/ |
| 378 |
private static function delete_for_ful_name( $item_name ) { |
| 379 |
$item_name = self::normalized_item_name( $item_name ); |
| 380 |
$result = 0; |
| 381 |
if ( self::$apcu_available ) { |
| 382 |
if ( strlen( $item_name ) - 1 === strpos( $item_name, '_*' ) ) { |
| 383 |
return false; |
| 384 |
} else { |
| 385 |
return apcu_delete( self::$pool_name . '_' . $item_name ); |
| 386 |
} |
| 387 |
} |
| 388 |
global $wpdb; |
| 389 |
$item_name = self::$pool_name . '_' . $item_name; |
| 390 |
if ( strlen( $item_name ) - 1 === strpos( $item_name, '_*' ) ) { |
| 391 |
// phpcs:ignore |
| 392 |
$delete = $wpdb->get_col( "SELECT option_name FROM {$wpdb->options} WHERE option_name = '_transient_timeout_" . str_replace( '_*', '', $item_name ) . "' OR option_name LIKE '_transient_timeout_" . str_replace( '_*', '_%', $item_name ) . "';" ); |
| 393 |
} else { |
| 394 |
// phpcs:ignore |
| 395 |
$delete = $wpdb->get_col( "SELECT option_name FROM {$wpdb->options} WHERE option_name = '_transient_timeout_" . $item_name . "';" ); |
| 396 |
} |
| 397 |
foreach ( $delete as $transient ) { |
| 398 |
$key = str_replace( '_transient_timeout_', '', $transient ); |
| 399 |
if ( delete_transient( $key ) ) { |
| 400 |
++$result; |
| 401 |
} |
| 402 |
} |
| 403 |
return $result; |
| 404 |
} |
| 405 |
|
| 406 |
/** |
| 407 |
* Delete the full pool. |
| 408 |
* |
| 409 |
* @return integer Number of deleted items. |
| 410 |
* @since 1.0.0 |
| 411 |
*/ |
| 412 |
public static function delete_pool() { |
| 413 |
$result = 0; |
| 414 |
if ( self::$apcu_available ) { |
| 415 |
if ( function_exists( 'apcu_cache_info' ) && function_exists( 'apcu_delete' ) ) { |
| 416 |
try { |
| 417 |
$infos = apcu_cache_info( false ); |
| 418 |
if ( array_key_exists( 'cache_list', $infos ) && is_array( $infos['cache_list'] ) ) { |
| 419 |
foreach ( $infos['cache_list'] as $script ) { |
| 420 |
if ( 0 === strpos( $script['info'], self::$pool_name . '_' ) ) { |
| 421 |
apcu_delete( $script['info'] ); |
| 422 |
$result++; |
| 423 |
} |
| 424 |
} |
| 425 |
} |
| 426 |
} catch ( \Throwable $e ) { |
| 427 |
Logger::error( sprintf( 'Unable to query APCu status: %s.', $e->getMessage() ), $e->getCode() ); |
| 428 |
} |
| 429 |
} |
| 430 |
} else { |
| 431 |
$result = self::delete_global( '/*' ); |
| 432 |
} |
| 433 |
return $result; |
| 434 |
} |
| 435 |
|
| 436 |
/** |
| 437 |
* Delete the value of a shared cache item. |
| 438 |
* |
| 439 |
* This function accepts generic car "*" for transients. |
| 440 |
* |
| 441 |
* @param string $item_name Item name. Expected to not be SQL-escaped. |
| 442 |
* @return integer Number of deleted items. |
| 443 |
* @since 1.0.0 |
| 444 |
*/ |
| 445 |
public static function delete_shared( $item_name ) { |
| 446 |
$save = self::$pool_name; |
| 447 |
self::$pool_name = 'perfopsone'; |
| 448 |
$result = self::delete_for_ful_name( self::full_item_name( $item_name ) ); |
| 449 |
self::$pool_name = $save; |
| 450 |
return $result; |
| 451 |
} |
| 452 |
|
| 453 |
/** |
| 454 |
* Delete the value of a global cache item. |
| 455 |
* |
| 456 |
* This function accepts generic car "*" for transients. |
| 457 |
* |
| 458 |
* @param string $item_name Item name. Expected to not be SQL-escaped. |
| 459 |
* @return integer Number of deleted items. |
| 460 |
* @since 1.0.0 |
| 461 |
*/ |
| 462 |
public static function delete_global( $item_name ) { |
| 463 |
return self::delete_for_ful_name( self::full_item_name( $item_name ) ); |
| 464 |
} |
| 465 |
|
| 466 |
/** |
| 467 |
* Delete the value of a standard cache item. |
| 468 |
* |
| 469 |
* This function accepts generic car "*" for transients. |
| 470 |
* |
| 471 |
* @param string $item_name Item name. Expected to not be SQL-escaped. |
| 472 |
* @param boolean $blog_aware Optional. Has the name must take care of blog. |
| 473 |
* @param boolean $locale_aware Optional. Has the name must take care of locale. |
| 474 |
* @param boolean $user_aware Optional. Has the name must take care of user. |
| 475 |
* @return integer Number of deleted items. |
| 476 |
* @since 1.0.0 |
| 477 |
*/ |
| 478 |
public static function delete( $item_name, $blog_aware = false, $locale_aware = false, $user_aware = false ) { |
| 479 |
return self::delete_for_ful_name( self::full_item_name( $item_name, $blog_aware, $locale_aware, $user_aware ) ); |
| 480 |
} |
| 481 |
|
| 482 |
/** |
| 483 |
* Get the minimum value of a ttl time range. |
| 484 |
* |
| 485 |
* @param string $ttl_range The time range in seconds. May be something like '0', '200' or '15-600:15'. |
| 486 |
* @return integer The ttl in seconds. |
| 487 |
* @since 1.0.0 |
| 488 |
*/ |
| 489 |
public static function get_min( $ttl_range ) { |
| 490 |
if ( ! is_string( $ttl_range) ) { |
| 491 |
return 0; |
| 492 |
} |
| 493 |
$ttls = explode( '-', $ttl_range ); |
| 494 |
if ( 1 === count( $ttls ) ) { |
| 495 |
return (int) $ttls[0]; |
| 496 |
} |
| 497 |
if ( false !== strpos( $ttls[1], ':' ) ) { |
| 498 |
$steps = explode( ':', $ttls[1] ); |
| 499 |
$ttls[1] = $steps[0]; |
| 500 |
} |
| 501 |
return (int) min( (int) $ttls[0], (int) $ttls[1] ); |
| 502 |
} |
| 503 |
|
| 504 |
/** |
| 505 |
* Get the maximum value of a ttl time range. |
| 506 |
* |
| 507 |
* @param string $ttl_range The time range in seconds. May be something like '0', '200' or '15-600:15'. |
| 508 |
* @return integer The ttl in seconds. |
| 509 |
* @since 1.0.0 |
| 510 |
*/ |
| 511 |
public static function get_max( $ttl_range ) { |
| 512 |
if ( ! is_string( $ttl_range) ) { |
| 513 |
return 0; |
| 514 |
} |
| 515 |
$ttls = explode( '-', $ttl_range ); |
| 516 |
if ( 1 === count( $ttls ) ) { |
| 517 |
return (int) $ttls[0]; |
| 518 |
} |
| 519 |
if ( false !== strpos( $ttls[1], ':' ) ) { |
| 520 |
$steps = explode( ':', $ttls[1] ); |
| 521 |
$ttls[1] = $steps[0]; |
| 522 |
} |
| 523 |
return (int) max( (int) $ttls[0], (int) $ttls[1] ); |
| 524 |
} |
| 525 |
|
| 526 |
/** |
| 527 |
* Get the step of a ttl time range. |
| 528 |
* |
| 529 |
* @param string $ttl_range The time range in seconds. May be something like '0', '200' or '15-600:15'. |
| 530 |
* @return integer The ttl in seconds. |
| 531 |
* @since 1.0.0 |
| 532 |
*/ |
| 533 |
public static function get_step( $ttl_range ) { |
| 534 |
if ( ! is_string( $ttl_range) ) { |
| 535 |
return 0; |
| 536 |
} |
| 537 |
$ttls = explode( '-', $ttl_range ); |
| 538 |
if ( 1 === count( $ttls ) ) { |
| 539 |
return 0; |
| 540 |
} |
| 541 |
if ( false !== strpos( $ttls[1], ':' ) ) { |
| 542 |
$steps = explode( ':', $ttls[1] ); |
| 543 |
if ( 2 === count( $ttls ) ) { |
| 544 |
return $steps[1]; |
| 545 |
} |
| 546 |
} |
| 547 |
return 1; |
| 548 |
} |
| 549 |
|
| 550 |
/** |
| 551 |
* Get the medium value of a ttl time range. |
| 552 |
* |
| 553 |
* This function accepts generic car "*" for transients. |
| 554 |
* |
| 555 |
* @param string $ttl_range The time range in seconds. May be something like '5-600' or '200'. |
| 556 |
* @return integer The ttl in seconds. |
| 557 |
* @since 1.0.0 |
| 558 |
*/ |
| 559 |
public static function get_med( $ttl_range ) { |
| 560 |
$min = self::get_min( $ttl_range ); |
| 561 |
$max = self::get_max( $ttl_range ); |
| 562 |
$step = self::get_step( $ttl_range ); |
| 563 |
$factor = $step * (int) round( ( $max - $min ) / ( 2 * $step ) ); |
| 564 |
return $min + (int) round( $factor ); |
| 565 |
} |
| 566 |
|
| 567 |
/** |
| 568 |
* Get cache analytics. |
| 569 |
* |
| 570 |
* @return array The cache analytics. |
| 571 |
* @since 1.0.0 |
| 572 |
*/ |
| 573 |
public static function get_analytics() { |
| 574 |
$result = []; |
| 575 |
$hit_time = 0; |
| 576 |
$hit_count = count( self::$hit ); |
| 577 |
$hit_size = 0; |
| 578 |
if ( 0 < $hit_count ) { |
| 579 |
foreach ( self::$hit as $h ) { |
| 580 |
$hit_time = $hit_time + $h['time']; |
| 581 |
$hit_size = $hit_size + $h['size']; |
| 582 |
} |
| 583 |
$hit_time = $hit_time / $hit_count; |
| 584 |
$hit_size = $hit_size / $hit_count; |
| 585 |
} |
| 586 |
$result['hit']['count'] = $hit_count; |
| 587 |
$result['hit']['time'] = $hit_time; |
| 588 |
$result['hit']['size'] = $hit_size; |
| 589 |
$miss_time = 0; |
| 590 |
$miss_count = count( self::$miss ); |
| 591 |
$miss_size = 0; |
| 592 |
if ( 0 < $miss_count ) { |
| 593 |
foreach ( self::$miss as $h ) { |
| 594 |
$miss_time = $miss_time + $h['time']; |
| 595 |
$miss_size = $miss_size + $h['size']; |
| 596 |
} |
| 597 |
$miss_time = $miss_time / $miss_count; |
| 598 |
$miss_size = $miss_size / $miss_count; |
| 599 |
} |
| 600 |
$result['miss']['count'] = $miss_count; |
| 601 |
$result['miss']['time'] = $miss_time; |
| 602 |
$result['miss']['size'] = $miss_size; |
| 603 |
if ( self::$apcu_available ) { |
| 604 |
$result['type'] = 'apcu'; |
| 605 |
} else { |
| 606 |
$result['type'] = 'db_transient'; |
| 607 |
} |
| 608 |
return $result; |
| 609 |
} |
| 610 |
|
| 611 |
/** |
| 612 |
* Logs the cache analytics. |
| 613 |
* |
| 614 |
* @since 1.0.0 |
| 615 |
*/ |
| 616 |
public static function log_debug() { |
| 617 |
$analytics = self::get_analytics(); |
| 618 |
$log = '[' . $analytics['type'] . ']'; |
| 619 |
$log .= ' Hit count: ' . $analytics['hit']['count'] . ' Hit time: ' . round($analytics['hit']['time'] * 1000, 3) . 'ms Hit size: ' . Conversion::data_shorten( (int) $analytics['hit']['size'] ); |
| 620 |
$log .= ' Miss count: ' . $analytics['miss']['count'] . ' Miss time: ' . round($analytics['miss']['time'] * 1000, 3) . 'ms Miss size: ' . Conversion::data_shorten( (int) $analytics['miss']['size'] ); |
| 621 |
if ( 0 !== (int) $analytics['hit']['count'] || 0 !== (int) $analytics['miss']['count'] ) { |
| 622 |
Logger::debug( $log ); |
| 623 |
} |
| 624 |
} |
| 625 |
|
| 626 |
/** |
| 627 |
* Get the options infos for Site Health "info" tab. |
| 628 |
* |
| 629 |
* @since 1.0.0 |
| 630 |
*/ |
| 631 |
public static function debug_info() { |
| 632 |
if ( self::$apcu_available ) { |
| 633 |
$result['product'] = [ |
| 634 |
'label' => 'Product', |
| 635 |
'value' => 'APCu', |
| 636 |
]; |
| 637 |
foreach ( [ 'enabled', 'shm_segments', 'shm_size', 'entries_hint', 'ttl', 'gc_ttl', 'mmap_file_mask', 'slam_defense', 'enable_cli', 'use_request_time', 'serializer', 'coredump_unmap', 'preload_path' ] as $key ) { |
| 638 |
$result[ 'directive_' . $key ] = [ |
| 639 |
'label' => '[Directive] ' . $key, |
| 640 |
'value' => ini_get( 'apc.' . $key ), |
| 641 |
]; |
| 642 |
} |
| 643 |
if ( function_exists( 'apcu_sma_info' ) && function_exists( 'apcu_cache_info' ) ) { |
| 644 |
$raw = apcu_sma_info(); |
| 645 |
foreach ( $raw as $key => $status ) { |
| 646 |
if ( ! is_array( $status ) ) { |
| 647 |
$result[ 'status_' . $key ] = [ |
| 648 |
'label' => '[Status] ' . $key, |
| 649 |
'value' => $status, |
| 650 |
]; |
| 651 |
} |
| 652 |
} |
| 653 |
$raw = apcu_cache_info(); |
| 654 |
foreach ( $raw as $key => $status ) { |
| 655 |
if ( ! is_array( $status ) ) { |
| 656 |
$result[ 'status_' . $key ] = [ |
| 657 |
'label' => '[Status] ' . $key, |
| 658 |
'value' => $status, |
| 659 |
]; |
| 660 |
} |
| 661 |
} |
| 662 |
} |
| 663 |
} else { |
| 664 |
$result['product'] = [ |
| 665 |
'label' => 'Product', |
| 666 |
'value' => 'Database transients', |
| 667 |
]; |
| 668 |
} |
| 669 |
return $result; |
| 670 |
} |
| 671 |
|
| 672 |
} |
| 673 |
|
