WC_Cache_Helper::get_cache_prefix() public WC 1.0

Get prefix for use with wp_cache_set. Allows all cache in a group to be invalidated at once.

{} It's a method of the class: WC_Cache_Helper{}

No Hooks.

Return

String.

Usage

$result = WC_Cache_Helper::get_cache_prefix( $group );

$group(string) (required)

Group of cache to get.

Code of WC_Cache_Helper::get_cache_prefix() WC Cache Helper::get cache prefix ^{WC 5.9.0}

public static function get_cache_prefix( $group ) {
	// Get cache key - uses cache key wc_orders_cache_prefix to invalidate when needed.
	$prefix = wp_cache_get( 'wc_' . $group . '_cache_prefix', $group );

	if ( false === $prefix ) {
		$prefix = microtime();
		wp_cache_set( 'wc_' . $group . '_cache_prefix', $prefix, $group );
	}

	return 'wc_cache_' . $prefix . '_';
}