<?php



require_once ABSPATH . WPINC . '/class-wp-object-cache.php';


function wp_cache_init() {
	$GLOBALS['wp_object_cache'] = new WP_Object_Cache();
}


function wp_cache_add( $key, $data, $group = '', $expire = 0 ) {
	global $wp_object_cache;

	return $wp_object_cache->add( $key, $data, $group, (int) $expire );
}


function wp_cache_add_multiple( array $data, $group = '', $expire = 0 ) {
	global $wp_object_cache;

	return $wp_object_cache->add_multiple( $data, $group, $expire );
}


function wp_cache_replace( $key, $data, $group = '', $expire = 0 ) {
	global $wp_object_cache;

	return $wp_object_cache->replace( $key, $data, $group, (int) $expire );
}


function wp_cache_set( $key, $data, $group = '', $expire = 0 ) {
	global $wp_object_cache;

	return $wp_object_cache->set( $key, $data, $group, (int) $expire );
}


function wp_cache_set_multiple( array $data, $group = '', $expire = 0 ) {
	global $wp_object_cache;

	return $wp_object_cache->set_multiple( $data, $group, $expire );
}


function wp_cache_get( $key, $group = '', $force = false, &$found = null ) {
	global $wp_object_cache;

	return $wp_object_cache->get( $key, $group, $force, $found );
}


function wp_cache_get_multiple( $keys, $group = '', $force = false ) {
	global $wp_object_cache;

	return $wp_object_cache->get_multiple( $keys, $group, $force );
}


function wp_cache_delete( $key, $group = '' ) {
	global $wp_object_cache;

	return $wp_object_cache->delete( $key, $group );
}


function wp_cache_delete_multiple( array $keys, $group = '' ) {
	global $wp_object_cache;

	return $wp_object_cache->delete_multiple( $keys, $group );
}


function wp_cache_incr( $key, $offset = 1, $group = '' ) {
	global $wp_object_cache;

	return $wp_object_cache->incr( $key, $offset, $group );
}


function wp_cache_decr( $key, $offset = 1, $group = '' ) {
	global $wp_object_cache;

	return $wp_object_cache->decr( $key, $offset, $group );
}


function wp_cache_flush() {
	global $wp_object_cache;

	return $wp_object_cache->flush();
}


function wp_cache_flush_runtime() {
	return wp_cache_flush();
}


function wp_cache_flush_group( $group ) {
	global $wp_object_cache;

	return $wp_object_cache->flush_group( $group );
}


function wp_cache_supports( $feature ) {
	switch ( $feature ) {
		case 'add_multiple':
		case 'set_multiple':
		case 'get_multiple':
		case 'delete_multiple':
		case 'flush_runtime':
		case 'flush_group':
			return true;

		default:
			return false;
	}
}


function wp_cache_close() {
	return true;
}


function wp_cache_add_global_groups( $groups ) {
	global $wp_object_cache;

	$wp_object_cache->add_global_groups( $groups );
}


function wp_cache_add_non_persistent_groups( $groups ) {
	// Default cache doesn't persist so nothing to do here.
}


function wp_cache_switch_to_blog( $blog_id ) {
	global $wp_object_cache;

	$wp_object_cache->switch_to_blog( $blog_id );
}


function wp_cache_reset() {
	_deprecated_function( __FUNCTION__, '3.5.0', 'wp_cache_switch_to_blog()' );

	global $wp_object_cache;

	$wp_object_cache->reset();
}