Php 8.1 support

src/Database.php

@@ -11,7 +11,7 @@ class Database
 	protected $name;
 	protected $options = [
 		'flags' => SQLITE3_OPEN_READWRITE | SQLITE3_OPEN_CREATE,
-		'encryption_key' => null,
+		'encryption_key' => '',
 		'busy_timeout' => 30,
 		'journal_mode' => 'WAL',
 		'synchronous' => 'NORMAL',

src/Queries.php

@@ -5,7 +5,7 @@
  */
 namespace Ufee\Sqlite3;
 
-class Queries implements \IteratorAggregate  
+class Queries implements \Countable, \IteratorAggregate
 {
 	protected $items;
 	protected $_callback = false;
@@ -18,26 +18,12 @@ public function __construct(Array $elements = [])
     {
         $this->items = $elements;
 	}
-
-    /**
-     * Set listen callback
-	 * @param callable|bool $callback
-	 * @return Queries
-     */
-    public function listen($callback)
-    {
-		if (!is_callable($callback) && !is_bool($callback)) {
-			throw new \Exception('Invalid callback, must be callable or boolean');
-		}
-		$this->_callback = $callback;
-		return $this;
-	}
-
+
     /**
      * Collection iterator
 	 * @return ArrayIterator
      */
-	public function getIterator()
+	public function getIterator(): \Traversable
 	{
 		return new \ArrayIterator($this->items);
 	}
@@ -46,11 +32,25 @@ public function getIterator()
      * Get count elements
 	 * @return integer
      */
-    public function count()
+    public function count(): int
     {
 		return count($this->items);
 	}
 
+    /**
+     * Set listen callback
+	 * @param callable|bool $callback
+	 * @return Queries
+     */
+    public function listen($callback)
+    {
+		if (!is_callable($callback) && !is_bool($callback)) {
+			throw new \Exception('Invalid callback, must be callable or boolean');
+		}
+		$this->_callback = $callback;
+		return $this;
+	}
+
     /**
      * Get all elements
 	 * @return array