← All changes | includes/Utils/Database.php +32 -0 4.7.0 → 4.9.2 View file →

		@@ -102,5 +102,37 @@
102	102
103	103	public function delete_transient( $transient ) {
104	104	return delete_transient( $transient );
105	105	}
	106	+
	107	+ /**
	108	+ * Versioned-key incrementor. Reading the current version lets callers build
	109	+ * cache keys like "{namespace}_v{N}_..."; bumping the version makes every
	110	+ * key in that namespace unreachable in one update.
	111	+ *
	112	+ * The canonical value lives in wp_options so invalidation persists across
	113	+ * requests even on sites with no external object cache (where wp_cache_*
	114	+ * is per-request in-memory only). wp_cache_* is still used as a
	115	+ * within-request memoization layer.
	116	+ */
	117	+ public function get_cache_version( $namespace, $group = 'betterdocs' ) {
	118	+ $cache_key = $namespace . '_version';
	119	+ $option_key = 'bd_cache_v_' . $namespace;
	120	+ $v = wp_cache_get( $cache_key, $group );
	121	+ if ( false === $v ) {
	122	+ $v = (int) get_option( $option_key, 1 );
	123	+ if ( $v < 1 ) {
	124	+ $v = 1;
	125	+ }
	126	+ wp_cache_set( $cache_key, $v, $group, 0 );
	127	+ }
	128	+ return (int) $v;
	129	+ }
	130	+
	131	+ public function bump_cache_version( $namespace, $group = 'betterdocs' ) {
	132	+ $cache_key = $namespace . '_version';
	133	+ $option_key = 'bd_cache_v_' . $namespace;
	134	+ $new = (int) get_option( $option_key, 1 ) + 1;
	135	+ update_option( $option_key, $new, false );
	136	+ wp_cache_set( $cache_key, $new, $group, 0 );
	137	+ }
106	138	}