Question

Alert: This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

_prime_term_caches( array $term_ids,  bool $update_meta_cache = true )

Adds any terms from the given IDs to the cache that do not already exist in cache.

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description

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参数

$term_ids

(array) (Required) Array of term IDs.

$update_meta_cache

(bool) (Optional) Whether to update the meta cache.

Default value: true

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源代码

File: wp-includes/taxonomy.php

function _prime_term_caches( $term_ids, $update_meta_cache = true ) {
	global $wpdb;

	$non_cached_ids = _get_non_cached_ids( $term_ids, 'terms' );
	if ( ! empty( $non_cached_ids ) ) {
		$fresh_terms = $wpdb->get_results( sprintf( "SELECT t.*, tt.* FROM $wpdb->terms AS t INNER JOIN $wpdb->term_taxonomy AS tt ON t.term_id = tt.term_id WHERE t.term_id IN (%s)", join( ",", array_map( 'intval', $non_cached_ids ) ) ) );

		update_term_cache( $fresh_terms, $update_meta_cache );

		if ( $update_meta_cache ) {
			update_termmeta_cache( $non_cached_ids );
		}
	}
}

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更新日志

Version	description
4.6.0	Introduced.

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相关函数

Uses

• wp-includes/taxonomy.php: update_termmeta_cache()
• wp-includes/functions.php: _get_non_cached_ids()
• wp-includes/taxonomy.php: update_term_cache()
• wp-includes/wp-db.php: wpdb::get_results()

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Used By

• wp-includes/taxonomy.php: get_object_term_cache()

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User Contributed Notes