FM / wp-includes

/var/www/p4ela.net/www/wp-includes

Name	Size	Mode	Actions
assets/	-	0777	rm
block-bindings/	-	0777	rm
block-patterns/	-	0777	rm
block-supports/	-	0777	rm
blocks/	-	0777	rm
certificates/	-	0777	rm
css/	-	0777	rm
customize/	-	0777	rm
fonts/	-	0777	rm
html-api/	-	0777	rm
ID3/	-	0777	rm
images/	-	0777	rm
interactivity-api/	-	0777	rm
IXR/	-	0777	rm
js/	-	0777	rm
l10n/	-	0777	rm
php-compat/	-	0777	rm
PHPMailer/	-	0777	rm
pomo/	-	0777	rm
Requests/	-	0777	rm
rest-api/	-	0777	rm
SimplePie/	-	0777	rm
sitemaps/	-	0777	rm
sodium_compat/	-	0777	rm
style-engine/	-	0777	rm
Text/	-	0777	rm
theme-compat/	-	0777	rm
widgets/	-	0777	rm
admin-bar.php	37100	0666	edit dl rm
atomlib.php	12078	0666	edit dl rm
author-template.php	18951	0666	edit dl rm
block-bindings.php	5594	0666	edit dl rm
block-editor.php	28340	0666	edit dl rm
block-i18n.json	316	0666	edit dl rm
block-patterns.php	13119	0666	edit dl rm
block-template-utils.php	60145	0666	edit dl rm
block-template.php	14142	0666	edit dl rm
blocks.php	104889	0666	edit dl rm
bookmark-template.php	12948	0666	edit dl rm
bookmark.php	15427	0666	edit dl rm
cache-compat.php	5969	0666	edit dl rm
cache.php	13474	0666	edit dl rm
canonical.php	34506	0666	edit dl rm
capabilities.php	42718	0666	edit dl rm
category-template.php	57003	0666	edit dl rm
category.php	12709	0666	edit dl rm
class-avif-info.php	29615	0666	edit dl rm
class-feed.php	539	0666	edit dl rm
class-http.php	367	0666	edit dl rm
class-IXR.php	2543	0666	edit dl rm
class-json.php	43684	0666	edit dl rm
class-oembed.php	401	0666	edit dl rm
class-phpass.php	6771	0666	edit dl rm
class-phpmailer.php	664	0666	edit dl rm
class-pop3.php	21174	0666	edit dl rm
class-requests.php	2237	0666	edit dl rm
class-simplepie.php	453	0666	edit dl rm
class-smtp.php	457	0666	edit dl rm
class-snoopy.php	37715	0666	edit dl rm
class-walker-category-dropdown.php	2469	0666	edit dl rm
class-walker-category.php	8477	0666	edit dl rm
class-walker-comment.php	14221	0666	edit dl rm
class-walker-nav-menu.php	11784	0666	edit dl rm
class-walker-page-dropdown.php	2710	0666	edit dl rm
class-walker-page.php	7612	0666	edit dl rm
class-wp-admin-bar.php	17874	0666	edit dl rm
class-wp-ajax-response.php	5266	0666	edit dl rm
class-wp-application-passwords.php	15617	0666	edit dl rm
class-wp-block-bindings-registry.php	8463	0666	edit dl rm
class-wp-block-bindings-source.php	2992	0666	edit dl rm
class-wp-block-editor-context.php	1350	0666	edit dl rm
class-wp-block-list.php	4757	0666	edit dl rm
class-wp-block-metadata-registry.php	10227	0666	edit dl rm
class-wp-block-parser-block.php	2555	0666	edit dl rm
class-wp-block-parser-frame.php	2017	0666	edit dl rm
class-wp-block-parser.php	11532	0666	edit dl rm
class-wp-block-pattern-categories-registry.php	5371	0666	edit dl rm
class-wp-block-patterns-registry.php	11185	0666	edit dl rm
class-wp-block-styles-registry.php	6262	0666	edit dl rm
class-wp-block-supports.php	5612	0666	edit dl rm
class-wp-block-template.php	2033	0666	edit dl rm
class-wp-block-templates-registry.php	7231	0666	edit dl rm
class-wp-block-type-registry.php	5013	0666	edit dl rm
class-wp-block-type.php	17265	0666	edit dl rm
class-wp-block.php	20438	0666	edit dl rm
class-wp-classic-to-block-menu-converter.php	4088	0666	edit dl rm
class-wp-comment-query.php	48395	0666	edit dl rm
class-wp-comment.php	9372	0666	edit dl rm
class-wp-customize-control.php	25730	0666	edit dl rm
class-wp-customize-manager.php	202539	0666	edit dl rm
class-wp-customize-nav-menus.php	57433	0666	edit dl rm
class-wp-customize-panel.php	10637	0666	edit dl rm
class-wp-customize-section.php	11209	0666	edit dl rm
class-wp-customize-setting.php	29889	0666	edit dl rm
class-wp-customize-widgets.php	72157	0666	edit dl rm
class-wp-date-query.php	35726	0666	edit dl rm
class-wp-dependencies.php	15139	0666	edit dl rm
class-wp-dependency.php	2627	0666	edit dl rm
class-wp-duotone.php	40783	0666	edit dl rm
class-wp-editor.php	72335	0666	edit dl rm
class-wp-embed.php	15994	0666	edit dl rm
class-wp-error.php	7502	0666	edit dl rm
class-wp-exception.php	253	0666	edit dl rm
class-wp-fatal-error-handler.php	8150	0666	edit dl rm
class-wp-feed-cache-transient.php	3176	0666	edit dl rm
class-wp-feed-cache.php	969	0666	edit dl rm
class-wp-hook.php	16000	0666	edit dl rm
class-wp-http-cookie.php	7389	0666	edit dl rm
class-wp-http-curl.php	12541	0666	edit dl rm
class-wp-http-encoding.php	6689	0666	edit dl rm
class-wp-http-ixr-client.php	3506	0666	edit dl rm
class-wp-http-proxy.php	5980	0666	edit dl rm
class-wp-http-requests-hooks.php	2022	0666	edit dl rm
class-wp-http-requests-response.php	4400	0666	edit dl rm
class-wp-http-response.php	2977	0666	edit dl rm
class-wp-http-streams.php	16859	0666	edit dl rm
class-wp-http.php	41506	0666	edit dl rm
class-wp-image-editor-gd.php	19886	0666	edit dl rm
class-wp-image-editor-imagick.php	39106	0666	edit dl rm
class-wp-image-editor.php	16938	0666	edit dl rm
class-wp-list-util.php	7443	0666	edit dl rm
class-wp-locale-switcher.php	6630	0666	edit dl rm
class-wp-locale.php	16111	0666	edit dl rm
class-wp-matchesmapregex.php	1828	0666	edit dl rm
class-wp-meta-query.php	30531	0666	edit dl rm
class-wp-metadata-lazyloader.php	6833	0666	edit dl rm
class-wp-navigation-fallback.php	9211	0666	edit dl rm
class-wp-network-query.php	19857	0666	edit dl rm
class-wp-network.php	12296	0666	edit dl rm
class-wp-object-cache.php	17524	0666	edit dl rm
class-wp-oembed-controller.php	6905	0666	edit dl rm
class-wp-oembed.php	31475	0666	edit dl rm
class-wp-paused-extensions-storage.php	5111	0666	edit dl rm
class-wp-plugin-dependencies.php	25319	0666	edit dl rm
class-wp-post-type.php	30340	0666	edit dl rm
class-wp-post.php	6484	0666	edit dl rm
class-wp-query.php	154081	0666	edit dl rm
class-wp-recovery-mode-cookie-service.php	6877	0666	edit dl rm
class-wp-recovery-mode-email-service.php	11183	0666	edit dl rm
class-wp-recovery-mode-key-service.php	4608	0666	edit dl rm
class-wp-recovery-mode-link-service.php	3463	0666	edit dl rm
class-wp-recovery-mode.php	11435	0666	edit dl rm
class-wp-rewrite.php	63688	0666	edit dl rm
class-wp-role.php	2523	0666	edit dl rm
class-wp-roles.php	8586	0666	edit dl rm
class-wp-script-modules.php	19366	0666	edit dl rm
class-wp-scripts.php	28344	0666	edit dl rm
class-wp-session-tokens.php	7451	0666	edit dl rm
class-wp-simplepie-file.php	3408	0666	edit dl rm
class-wp-simplepie-sanitize-kses.php	1837	0666	edit dl rm
class-wp-site-query.php	31625	0666	edit dl rm
class-wp-site.php	7454	0666	edit dl rm
class-wp-styles.php	11010	0666	edit dl rm
class-wp-tax-query.php	19555	0666	edit dl rm
class-wp-taxonomy.php	18567	0666	edit dl rm
class-wp-term-query.php	40869	0666	edit dl rm
class-wp-term.php	5298	0666	edit dl rm
class-wp-text-diff-renderer-inline.php	979	0666	edit dl rm
class-wp-text-diff-renderer-table.php	18807	0666	edit dl rm
class-wp-textdomain-registry.php	10481	0666	edit dl rm
class-wp-theme-json-data.php	1809	0666	edit dl rm
class-wp-theme-json-resolver.php	35805	0666	edit dl rm
class-wp-theme-json-schema.php	7367	0666	edit dl rm
class-wp-theme-json.php	160780	0666	edit dl rm
class-wp-theme.php	65413	0666	edit dl rm
class-wp-token-map.php	28618	0666	edit dl rm
class-wp-user-meta-session-tokens.php	2990	0666	edit dl rm
class-wp-user-query.php	43654	0666	edit dl rm
class-wp-user-request.php	2222	0666	edit dl rm
class-wp-user.php	22827	0666	edit dl rm
class-wp-walker.php	13322	0666	edit dl rm
class-wp-widget-factory.php	3347	0666	edit dl rm
class-wp-widget.php	18424	0666	edit dl rm
class-wp-xmlrpc-server.php	214948	0666	edit dl rm
class-wp.php	26119	0666	edit dl rm
class-wpdb.php	118389	0666	edit dl rm
class.wp-dependencies.php	373	0666	edit dl rm
class.wp-scripts.php	343	0666	edit dl rm
class.wp-styles.php	338	0666	edit dl rm
comment-template.php	102773	0666	edit dl rm
comment.php	130275	0666	edit dl rm
compat.php	16974	0666	edit dl rm
cron.php	41594	0666	edit dl rm
date.php	400	0666	edit dl rm
default-constants.php	11365	0666	edit dl rm
default-filters.php	35685	0666	edit dl rm
default-widgets.php	2222	0666	edit dl rm
deprecated.php	190130	0666	edit dl rm
embed-template.php	338	0666	edit dl rm
embed.php	37908	0666	edit dl rm
error-protection.php	4121	0666	edit dl rm
feed-atom-comments.php	5504	0666	edit dl rm
feed-atom.php	3048	0666	edit dl rm
feed-rdf.php	2668	0666	edit dl rm
feed-rss.php	1189	0666	edit dl rm
feed-rss2-comments.php	4136	0666	edit dl rm
feed-rss2.php	3799	0666	edit dl rm
feed.php	23411	0666	edit dl rm
fonts.php	9751	0666	edit dl rm
formatting.php	335229	0666	edit dl rm
functions.php	283163	0666	edit dl rm
functions.wp-scripts.php	14558	0666	edit dl rm
functions.wp-styles.php	8583	0666	edit dl rm
general-template.php	169492	0666	edit dl rm
global-styles-and-settings.php	21205	0666	edit dl rm
http.php	27084	0666	edit dl rm
https-detection.php	5661	0666	edit dl rm
https-migration.php	4741	0666	edit dl rm
kses.php	74575	0666	edit dl rm
l10n.php	68415	0666	edit dl rm
link-template.php	157710	0666	edit dl rm
load.php	55658	0666	edit dl rm
locale.php	162	0666	edit dl rm
media-template.php	63043	0666	edit dl rm
media.php	218485	0666	edit dl rm
meta.php	64409	0666	edit dl rm
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registration.php	200	0666	edit dl rm
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robots-template.php	5185	0666	edit dl rm
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session.php	258	0666	edit dl rm
shortcodes.php	24051	0666	edit dl rm
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style-engine.php	7563	0666	edit dl rm
taxonomy.php	175438	0666	edit dl rm
template-canvas.php	544	0666	edit dl rm
template-loader.php	3350	0666	edit dl rm
template.php	24154	0666	edit dl rm
theme-i18n.json	1292	0666	edit dl rm
theme-previews.php	2832	0666	edit dl rm
theme-templates.php	6223	0666	edit dl rm
theme.json	8704	0666	edit dl rm
theme.php	133985	0666	edit dl rm
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user.php	175058	0666	edit dl rm
vars.php	6489	0666	edit dl rm
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wp-diff.php	726	0666	edit dl rm

Edit: /var/www/p4ela.net/www/wp-includes/class-wp-object-cache.php (17524B)

<?php
/**
 * Object Cache API: WP_Object_Cache class
 *
 * @package WordPress
 * @subpackage Cache
 * @since 5.4.0
 */

/**
 * Core class that implements an object cache.
 *
 * The WordPress Object Cache is used to save on trips to the database. The
 * Object Cache stores all of the cache data to memory and makes the cache
 * contents available by using a key, which is used to name and later retrieve
 * the cache contents.
 *
 * The Object Cache can be replaced by other caching mechanisms by placing files
 * in the wp-content folder which is looked at in wp-settings. If that file
 * exists, then this file will not be included.
 *
 * @since 2.0.0
 */
#[AllowDynamicProperties]
class WP_Object_Cache {

/**
	 * Holds the cached objects.
	 *
	 * @since 2.0.0
	 * @var array
	 */
	private $cache = array();

/**
	 * The amount of times the cache data was already stored in the cache.
	 *
	 * @since 2.5.0
	 * @var int
	 */
	public $cache_hits = 0;

/**
	 * Amount of times the cache did not have the request in cache.
	 *
	 * @since 2.0.0
	 * @var int
	 */
	public $cache_misses = 0;

/**
	 * List of global cache groups.
	 *
	 * @since 3.0.0
	 * @var string[]
	 */
	protected $global_groups = array();

/**
	 * The blog prefix to prepend to keys in non-global groups.
	 *
	 * @since 3.5.0
	 * @var string
	 */
	private $blog_prefix;

/**
	 * Holds the value of is_multisite().
	 *
	 * @since 3.5.0
	 * @var bool
	 */
	private $multisite;

/**
	 * Sets up object properties.
	 *
	 * @since 2.0.8
	 */
	public function __construct() {
		$this->multisite   = is_multisite();
		$this->blog_prefix = $this->multisite ? get_current_blog_id() . ':' : '';
	}

/**
	 * Makes private properties readable for backward compatibility.
	 *
	 * @since 4.0.0
	 *
	 * @param string $name Property to get.
	 * @return mixed Property.
	 */
	public function __get( $name ) {
		return $this->$name;
	}

/**
	 * Makes private properties settable for backward compatibility.
	 *
	 * @since 4.0.0
	 *
	 * @param string $name  Property to set.
	 * @param mixed  $value Property value.
	 */
	public function __set( $name, $value ) {
		$this->$name = $value;
	}

/**
	 * Makes private properties checkable for backward compatibility.
	 *
	 * @since 4.0.0
	 *
	 * @param string $name Property to check if set.
	 * @return bool Whether the property is set.
	 */
	public function __isset( $name ) {
		return isset( $this->$name );
	}

/**
	 * Makes private properties un-settable for backward compatibility.
	 *
	 * @since 4.0.0
	 *
	 * @param string $name Property to unset.
	 */
	public function __unset( $name ) {
		unset( $this->$name );
	}

/**
	 * Serves as a utility function to determine whether a key is valid.
	 *
	 * @since 6.1.0
	 *
	 * @param int|string $key Cache key to check for validity.
	 * @return bool Whether the key is valid.
	 */
	protected function is_valid_key( $key ) {
		if ( is_int( $key ) ) {
			return true;
		}

if ( is_string( $key ) && trim( $key ) !== '' ) {
			return true;
		}

$type = gettype( $key );

if ( ! function_exists( '__' ) ) {
			wp_load_translations_early();
		}

$message = is_string( $key )
			? __( 'Cache key must not be an empty string.' )
			/* translators: %s: The type of the given cache key. */
			: sprintf( __( 'Cache key must be an integer or a non-empty string, %s given.' ), $type );

_doing_it_wrong(
			sprintf( '%s::%s', __CLASS__, debug_backtrace( DEBUG_BACKTRACE_IGNORE_ARGS, 2 )[1]['function'] ),
			$message,
			'6.1.0'
		);

return false;
	}

/**
	 * Serves as a utility function to determine whether a key exists in the cache.
	 *
	 * @since 3.4.0
	 *
	 * @param int|string $key   Cache key to check for existence.
	 * @param string     $group Cache group for the key existence check.
	 * @return bool Whether the key exists in the cache for the given group.
	 */
	protected function _exists( $key, $group ) {
		return isset( $this->cache[ $group ] ) && ( isset( $this->cache[ $group ][ $key ] ) || array_key_exists( $key, $this->cache[ $group ] ) );
	}

/**
	 * Adds data to the cache if it doesn't already exist.
	 *
	 * @since 2.0.0
	 *
	 * @uses WP_Object_Cache::_exists() Checks to see if the cache already has data.
	 * @uses WP_Object_Cache::set()     Sets the data after the checking the cache
	 *                                  contents existence.
	 *
	 * @param int|string $key    What to call the contents in the cache.
	 * @param mixed      $data   The contents to store in the cache.
	 * @param string     $group  Optional. Where to group the cache contents. Default 'default'.
	 * @param int        $expire Optional. When to expire the cache contents, in seconds.
	 *                           Default 0 (no expiration).
	 * @return bool True on success, false if cache key and group already exist.
	 */
	public function add( $key, $data, $group = 'default', $expire = 0 ) {
		if ( wp_suspend_cache_addition() ) {
			return false;
		}

if ( ! $this->is_valid_key( $key ) ) {
			return false;
		}

if ( empty( $group ) ) {
			$group = 'default';
		}

$id = $key;
		if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) ) {
			$id = $this->blog_prefix . $key;
		}

if ( $this->_exists( $id, $group ) ) {
			return false;
		}

return $this->set( $key, $data, $group, (int) $expire );
	}

/**
	 * Adds multiple values to the cache in one call.
	 *
	 * @since 6.0.0
	 *
	 * @param array  $data   Array of keys and values to be added.
	 * @param string $group  Optional. Where the cache contents are grouped. Default empty.
	 * @param int    $expire Optional. When to expire the cache contents, in seconds.
	 *                       Default 0 (no expiration).
	 * @return bool[] Array of return values, grouped by key. Each value is either
	 *                true on success, or false if cache key and group already exist.
	 */
	public function add_multiple( array $data, $group = '', $expire = 0 ) {
		$values = array();

foreach ( $data as $key => $value ) {
			$values[ $key ] = $this->add( $key, $value, $group, $expire );
		}

return $values;
	}

/**
	 * Replaces the contents in the cache, if contents already exist.
	 *
	 * @since 2.0.0
	 *
	 * @see WP_Object_Cache::set()
	 *
	 * @param int|string $key    What to call the contents in the cache.
	 * @param mixed      $data   The contents to store in the cache.
	 * @param string     $group  Optional. Where to group the cache contents. Default 'default'.
	 * @param int        $expire Optional. When to expire the cache contents, in seconds.
	 *                           Default 0 (no expiration).
	 * @return bool True if contents were replaced, false if original value does not exist.
	 */
	public function replace( $key, $data, $group = 'default', $expire = 0 ) {
		if ( ! $this->is_valid_key( $key ) ) {
			return false;
		}

if ( empty( $group ) ) {
			$group = 'default';
		}

$id = $key;
		if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) ) {
			$id = $this->blog_prefix . $key;
		}

if ( ! $this->_exists( $id, $group ) ) {
			return false;
		}

return $this->set( $key, $data, $group, (int) $expire );
	}

/**
	 * Sets the data contents into the cache.
	 *
	 * The cache contents are grouped by the $group parameter followed by the
	 * $key. This allows for duplicate IDs in unique groups. Therefore, naming of
	 * the group should be used with care and should follow normal function
	 * naming guidelines outside of core WordPress usage.
	 *
	 * The $expire parameter is not used, because the cache will automatically
	 * expire for each time a page is accessed and PHP finishes. The method is
	 * more for cache plugins which use files.
	 *
	 * @since 2.0.0
	 * @since 6.1.0 Returns false if cache key is invalid.
	 *
	 * @param int|string $key    What to call the contents in the cache.
	 * @param mixed      $data   The contents to store in the cache.
	 * @param string     $group  Optional. Where to group the cache contents. Default 'default'.
	 * @param int        $expire Optional. Not used.
	 * @return bool True if contents were set, false if key is invalid.
	 */
	public function set( $key, $data, $group = 'default', $expire = 0 ) {
		if ( ! $this->is_valid_key( $key ) ) {
			return false;
		}

if ( empty( $group ) ) {
			$group = 'default';
		}

if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) ) {
			$key = $this->blog_prefix . $key;
		}

if ( is_object( $data ) ) {
			$data = clone $data;
		}

$this->cache[ $group ][ $key ] = $data;
		return true;
	}

/**
	 * Sets multiple values to the cache in one call.
	 *
	 * @since 6.0.0
	 *
	 * @param array  $data   Array of key and value to be set.
	 * @param string $group  Optional. Where the cache contents are grouped. Default empty.
	 * @param int    $expire Optional. When to expire the cache contents, in seconds.
	 *                       Default 0 (no expiration).
	 * @return bool[] Array of return values, grouped by key. Each value is always true.
	 */
	public function set_multiple( array $data, $group = '', $expire = 0 ) {
		$values = array();

foreach ( $data as $key => $value ) {
			$values[ $key ] = $this->set( $key, $value, $group, $expire );
		}

return $values;
	}

/**
	 * Retrieves the cache contents, if it exists.
	 *
	 * The contents will be first attempted to be retrieved by searching by the
	 * key in the cache group. If the cache is hit (success) then the contents
	 * are returned.
	 *
	 * On failure, the number of cache misses will be incremented.
	 *
	 * @since 2.0.0
	 *
	 * @param int|string $key   The key under which the cache contents are stored.
	 * @param string     $group Optional. Where the cache contents are grouped. Default 'default'.
	 * @param bool       $force Optional. Unused. Whether to force an update of the local cache
	 *                          from the persistent cache. Default false.
	 * @param bool       $found Optional. Whether the key was found in the cache (passed by reference).
	 *                          Disambiguates a return of false, a storable value. Default null.
	 * @return mixed|false The cache contents on success, false on failure to retrieve contents.
	 */
	public function get( $key, $group = 'default', $force = false, &$found = null ) {
		if ( ! $this->is_valid_key( $key ) ) {
			return false;
		}

if ( empty( $group ) ) {
			$group = 'default';
		}

if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) ) {
			$key = $this->blog_prefix . $key;
		}

if ( $this->_exists( $key, $group ) ) {
			$found             = true;
			$this->cache_hits += 1;
			if ( is_object( $this->cache[ $group ][ $key ] ) ) {
				return clone $this->cache[ $group ][ $key ];
			} else {
				return $this->cache[ $group ][ $key ];
			}
		}

$found               = false;
		$this->cache_misses += 1;
		return false;
	}

/**
	 * Retrieves multiple values from the cache in one call.
	 *
	 * @since 5.5.0
	 *
	 * @param array  $keys  Array of keys under which the cache contents are stored.
	 * @param string $group Optional. Where the cache contents are grouped. Default 'default'.
	 * @param bool   $force Optional. Whether to force an update of the local cache
	 *                      from the persistent cache. Default false.
	 * @return array Array of return values, grouped by key. Each value is either
	 *               the cache contents on success, or false on failure.
	 */
	public function get_multiple( $keys, $group = 'default', $force = false ) {
		$values = array();

foreach ( $keys as $key ) {
			$values[ $key ] = $this->get( $key, $group, $force );
		}

return $values;
	}

/**
	 * Removes the contents of the cache key in the group.
	 *
	 * If the cache key does not exist in the group, then nothing will happen.
	 *
	 * @since 2.0.0
	 *
	 * @param int|string $key        What the contents in the cache are called.
	 * @param string     $group      Optional. Where the cache contents are grouped. Default 'default'.
	 * @param bool       $deprecated Optional. Unused. Default false.
	 * @return bool True on success, false if the contents were not deleted.
	 */
	public function delete( $key, $group = 'default', $deprecated = false ) {
		if ( ! $this->is_valid_key( $key ) ) {
			return false;
		}

if ( empty( $group ) ) {
			$group = 'default';
		}

if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) ) {
			$key = $this->blog_prefix . $key;
		}

if ( ! $this->_exists( $key, $group ) ) {
			return false;
		}

unset( $this->cache[ $group ][ $key ] );
		return true;
	}

/**
	 * Deletes multiple values from the cache in one call.
	 *
	 * @since 6.0.0
	 *
	 * @param array  $keys  Array of keys to be deleted.
	 * @param string $group Optional. Where the cache contents are grouped. Default empty.
	 * @return bool[] Array of return values, grouped by key. Each value is either
	 *                true on success, or false if the contents were not deleted.
	 */
	public function delete_multiple( array $keys, $group = '' ) {
		$values = array();

foreach ( $keys as $key ) {
			$values[ $key ] = $this->delete( $key, $group );
		}

return $values;
	}

/**
	 * Increments numeric cache item's value.
	 *
	 * @since 3.3.0
	 *
	 * @param int|string $key    The cache key to increment.
	 * @param int        $offset Optional. The amount by which to increment the item's value.
	 *                           Default 1.
	 * @param string     $group  Optional. The group the key is in. Default 'default'.
	 * @return int|false The item's new value on success, false on failure.
	 */
	public function incr( $key, $offset = 1, $group = 'default' ) {
		if ( ! $this->is_valid_key( $key ) ) {
			return false;
		}

if ( empty( $group ) ) {
			$group = 'default';
		}

if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) ) {
			$key = $this->blog_prefix . $key;
		}

if ( ! $this->_exists( $key, $group ) ) {
			return false;
		}

if ( ! is_numeric( $this->cache[ $group ][ $key ] ) ) {
			$this->cache[ $group ][ $key ] = 0;
		}

$offset = (int) $offset;

$this->cache[ $group ][ $key ] += $offset;

if ( $this->cache[ $group ][ $key ] < 0 ) {
			$this->cache[ $group ][ $key ] = 0;
		}

return $this->cache[ $group ][ $key ];
	}

/**
	 * Decrements numeric cache item's value.
	 *
	 * @since 3.3.0
	 *
	 * @param int|string $key    The cache key to decrement.
	 * @param int        $offset Optional. The amount by which to decrement the item's value.
	 *                           Default 1.
	 * @param string     $group  Optional. The group the key is in. Default 'default'.
	 * @return int|false The item's new value on success, false on failure.
	 */
	public function decr( $key, $offset = 1, $group = 'default' ) {
		if ( ! $this->is_valid_key( $key ) ) {
			return false;
		}

if ( empty( $group ) ) {
			$group = 'default';
		}

if ( $this->multisite && ! isset( $this->global_groups[ $group ] ) ) {
			$key = $this->blog_prefix . $key;
		}

if ( ! $this->_exists( $key, $group ) ) {
			return false;
		}

if ( ! is_numeric( $this->cache[ $group ][ $key ] ) ) {
			$this->cache[ $group ][ $key ] = 0;
		}

$offset = (int) $offset;

$this->cache[ $group ][ $key ] -= $offset;

if ( $this->cache[ $group ][ $key ] < 0 ) {
			$this->cache[ $group ][ $key ] = 0;
		}

return $this->cache[ $group ][ $key ];
	}

/**
	 * Clears the object cache of all data.
	 *
	 * @since 2.0.0
	 *
	 * @return true Always returns true.
	 */
	public function flush() {
		$this->cache = array();

return true;
	}

/**
	 * Removes all cache items in a group.
	 *
	 * @since 6.1.0
	 *
	 * @param string $group Name of group to remove from cache.
	 * @return true Always returns true.
	 */
	public function flush_group( $group ) {
		unset( $this->cache[ $group ] );

return true;
	}

/**
	 * Sets the list of global cache groups.
	 *
	 * @since 3.0.0
	 *
	 * @param string|string[] $groups List of groups that are global.
	 */
	public function add_global_groups( $groups ) {
		$groups = (array) $groups;

$groups              = array_fill_keys( $groups, true );
		$this->global_groups = array_merge( $this->global_groups, $groups );
	}

/**
	 * Switches the internal blog ID.
	 *
	 * This changes the blog ID used to create keys in blog specific groups.
	 *
	 * @since 3.5.0
	 *
	 * @param int $blog_id Blog ID.
	 */
	public function switch_to_blog( $blog_id ) {
		$blog_id           = (int) $blog_id;
		$this->blog_prefix = $this->multisite ? $blog_id . ':' : '';
	}

/**
	 * Resets cache keys.
	 *
	 * @since 3.0.0
	 *
	 * @deprecated 3.5.0 Use WP_Object_Cache::switch_to_blog()
	 * @see switch_to_blog()
	 */
	public function reset() {
		_deprecated_function( __FUNCTION__, '3.5.0', 'WP_Object_Cache::switch_to_blog()' );

// Clear out non-global caches since the blog ID has changed.
		foreach ( array_keys( $this->cache ) as $group ) {
			if ( ! isset( $this->global_groups[ $group ] ) ) {
				unset( $this->cache[ $group ] );
			}
		}
	}

/**
	 * Echoes the stats of the caching.
	 *
	 * Gives the cache hits, and cache misses. Also prints every cached group,
	 * key and the data.
	 *
	 * @since 2.0.0
	 */
	public function stats() {
		echo '';
		echo "Cache Hits: {$this->cache_hits} ";
		echo "Cache Misses: {$this->cache_misses} ";
		echo '';
		echo '<ul>';
		foreach ( $this->cache as $group => $cache ) {
			echo '<li>Group: ' . esc_html( $group ) . ' - ( ' . number_format( strlen( serialize( $cache ) ) / KB_IN_BYTES, 2 ) . 'k )</li>';
		}
		echo '</ul>';
	}
}

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