WordPress как на ладони
Недорогой хостинг для сайтов на WordPress: wordpress.jino.ru
функция не описана

WP_Object_Cache::get() WP 2.0.0

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.

Это метод класса: WP_Object_Cache

Хуков нет.

Возвращает

false/Разное. False on failure to retrieve contents or the cache contents on success.

Использование

$WP_Object_Cache = new WP_Object_Cache();
$var = $WP_Object_Cache->get( $key, $group, $force, $found );
$key(число/строка) (обязательный)
What the contents in the cache are called.
$group(строка)
Where the cache contents are grouped.
По умолчанию: 'default'
$force(true/false)
Unused. Whether to force a refetch rather than relying on the local cache.
По умолчанию: false
$found(true/false) (передается по ссылке — &)
Whether the key was found in the cache (passed by reference). Disambiguates a return of false, a storable value.
По умолчанию: null

Список изменений

С версии 2.0.0 Введена.

Код WP Object Cache::get: wp-includes/cache.php WP 5.2.4

<?php
public function get( $key, $group = 'default', $force = false, &$found = null ) {
	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;
}