wp_prime_option_caches()
Primes specific options into the cache with a single database query.
Only options that do not already exist in cache will be loaded.
Хуков нет.
Возвращает
null
. Ничего (null).
Использование
wp_prime_option_caches( $options );
- $options(string[]) (обязательный)
- An array of option names to be loaded.
Заметки
- Global. wpdb. $wpdb WordPress database abstraction object.
Список изменений
С версии 6.4.0 | Введена. |
Код wp_prime_option_caches() wp prime option caches WP 6.6.2
function wp_prime_option_caches( $options ) { global $wpdb; $alloptions = wp_load_alloptions(); $cached_options = wp_cache_get_multiple( $options, 'options' ); $notoptions = wp_cache_get( 'notoptions', 'options' ); if ( ! is_array( $notoptions ) ) { $notoptions = array(); } // Filter options that are not in the cache. $options_to_prime = array(); foreach ( $options as $option ) { if ( ( ! isset( $cached_options[ $option ] ) || false === $cached_options[ $option ] ) && ! isset( $alloptions[ $option ] ) && ! isset( $notoptions[ $option ] ) ) { $options_to_prime[] = $option; } } // Bail early if there are no options to be loaded. if ( empty( $options_to_prime ) ) { return; } $results = $wpdb->get_results( $wpdb->prepare( sprintf( "SELECT option_name, option_value FROM $wpdb->options WHERE option_name IN (%s)", implode( ',', array_fill( 0, count( $options_to_prime ), '%s' ) ) ), $options_to_prime ) ); $options_found = array(); foreach ( $results as $result ) { /* * The cache is primed with the raw value (i.e. not maybe_unserialized). * * `get_option()` will handle unserializing the value as needed. */ $options_found[ $result->option_name ] = $result->option_value; } wp_cache_set_multiple( $options_found, 'options' ); // If all options were found, no need to update `notoptions` cache. if ( count( $options_found ) === count( $options_to_prime ) ) { return; } $options_not_found = array_diff( $options_to_prime, array_keys( $options_found ) ); // Add the options that were not found to the cache. $update_notoptions = false; foreach ( $options_not_found as $option_name ) { if ( ! isset( $notoptions[ $option_name ] ) ) { $notoptions[ $option_name ] = true; $update_notoptions = true; } } // Only update the cache if it was modified. if ( $update_notoptions ) { wp_cache_set( 'notoptions', $notoptions, 'options' ); } }