| @@ -136,10 +136,22 @@ | ||
| 136 | 136 | */ |
| 137 | 137 | public function clear_all(): bool { |
| 138 | 138 | global $wpdb; |
| 139 | 139 | |
| 140 | - // Clear memory cache (if using object cache) | |
| 141 | - wp_cache_flush_group(self::CACHE_GROUP); | |
| 140 | + // Clear memory cache (if using object cache). | |
| 141 | + // | |
| 142 | + // wp_cache_flush_group() is WordPress 6.1+, and the plugin header | |
| 143 | + // declares "Requires at least: 6.0" — on 6.0 this was a fatal | |
| 144 | + // "call to undefined function" on every schema settings save, since | |
| 145 | + // save_settings() reaches here via invalidate_all_cache(). Fall back to | |
| 146 | + // a full flush rather than skipping: a no-op would leave stale schema | |
| 147 | + // served until the database rows expire, which is worse than a coarse | |
| 148 | + // flush. Deactivator already guards the same call this way. | |
| 149 | + if (function_exists('wp_cache_flush_group')) { | |
| 150 | + wp_cache_flush_group(self::CACHE_GROUP); | |
| 151 | + } else { | |
| 152 | + wp_cache_flush(); | |
| 153 | + } | |
| 142 | 154 | |
| 143 | 155 | // Clear database cache |
| 144 | 156 | $table_name = $wpdb->prefix . 'thinkrank_ai_cache'; |
| 145 | 157 | // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared,WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching, PluginCheck.Security.DirectDB.UnescapedDBParameter -- Table name is properly constructed from controlled prefix, cache clearing requires direct database access |
| @@ -207,9 +219,9 @@ | ||
| 207 | 219 | public function generate_schema_generation_key(string $schema_type, array $data, array $options = []): string { |
| 208 | 220 | $key_data = [ |
| 209 | 221 | 'operation' => 'schema_generation', |
| 210 | 222 | 'schema_type' => $schema_type, |
| 211 | - 'data_hash' => md5(serialize($data)), | |
| 223 | + 'data_hash' => md5(wp_json_encode($data)), | |
| 212 | 224 | 'options' => $options, |
| 213 | 225 | 'version' => THINKRANK_VERSION, |
| 214 | 226 | ]; |
| 215 | 227 | |
| @@ -229,9 +241,9 @@ | ||
| 229 | 241 | public function generate_validation_key(array $schema_data, string $schema_type, array $options = []): string { |
| 230 | 242 | $key_data = [ |
| 231 | 243 | 'operation' => 'schema_validation', |
| 232 | 244 | 'schema_type' => $schema_type, |
| 233 | - 'schema_hash' => md5(serialize($schema_data)), | |
| 245 | + 'schema_hash' => md5(wp_json_encode($schema_data)), | |
| 234 | 246 | 'options' => $options, |
| 235 | 247 | 'version' => THINKRANK_VERSION, |
| 236 | 248 | ]; |
| 237 | 249 | |
