SQLiteStorage: changed key [WIP]

src/Caching/Storages/SQLiteStorage.php

@@ -60,6 +60,7 @@ public function __construct($path)
 	 */
 	public function read(string $key)
 	{
+		$key = self::sanitize($key);
 		$stmt = $this->pdo->prepare('SELECT data, slide FROM cache WHERE key=? AND (expire IS NULL OR expire >= ?)');
 		$stmt->execute([$key, time()]);
 		if ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {
@@ -77,6 +78,7 @@ public function read(string $key)
 	 */
 	public function bulkRead(array $keys): array
 	{
+		$keys = array_map([self::class, 'sanitize'], $keys);
 		$stmt = $this->pdo->prepare('SELECT key, data, slide FROM cache WHERE key IN (?' . str_repeat(',?', count($keys) - 1) . ') AND (expire IS NULL OR expire >= ?)');
 		$stmt->execute(array_merge($keys, [time()]));
 		$result = [];
@@ -108,6 +110,7 @@ public function lock(string $key): void
 	 */
 	public function write(string $key, $data, array $dependencies): void
 	{
+		$key = self::sanitize($key);
 		$expire = isset($dependencies[Cache::EXPIRATION]) ? $dependencies[Cache::EXPIRATION] + time() : null;
 		$slide = isset($dependencies[Cache::SLIDING]) ? $dependencies[Cache::EXPIRATION] : null;
 
@@ -133,7 +136,7 @@ public function write(string $key, $data, array $dependencies): void
 	public function remove(string $key): void
 	{
 		$this->pdo->prepare('DELETE FROM cache WHERE key=?')
-			->execute([$key]);
+			->execute([self::sanitize($key)]);
 	}
 
 
@@ -159,10 +162,16 @@ public function clean(array $conditions): void
 		if (!empty($conditions[Cache::NAMESPACES])) {
 			foreach ($conditions[Cache::NAMESPACES] as $namespace) {
 				$sql .= ' OR key LIKE ?';
-				$args[] = $namespace . Cache::NAMESPACE_SEPARATOR . '%';
+				$args[] = self::sanitize($namespace . Cache::NAMESPACE_SEPARATOR . '%');
 			}
 		}
 
 		$this->pdo->prepare($sql)->execute($args);
 	}
+
+
+	private function sanitize($key)
+	{
+		return str_replace(Cache::NAMESPACE_SEPARATOR, "\x01", $key);
+	}
 }