1 files changed, 114 insertions, 0 deletions
diff --git a/includes/vendor/aura/sql/src/Iterator/AbstractIterator.php b/includes/vendor/aura/sql/src/Iterator/AbstractIterator.php
new file mode 100644
index 0000000..895fd4e
--- /dev/null
+++ b/includes/vendor/aura/sql/src/Iterator/AbstractIterator.php
@@ -0,0 +1,114 @@
+<?php
+/**
+ *
+ * This file is part of Aura for PHP.
+ *
+ * @license http://opensource.org/licenses/bsd-license.php BSD
+ *
+ */
+namespace Aura\Sql\Iterator;
+
+use Iterator;
+use PDOStatement;
+
+/**
+ *
+ * A base class for iterators.
+ *
+ * @package Aura.Sql
+ *
+ */
+abstract class AbstractIterator implements Iterator
+{
+    /**
+     *
+     * PDO statement.
+     *
+     * @var PDOStatement
+     *
+     */
+    protected $statement;
+
+    /**
+     *
+     * Current row value.
+     *
+     * @var mixed
+     *
+     */
+    protected $row;
+
+    /**
+     *
+     * Current key.
+     *
+     * @var mixed
+     *
+     */
+    protected $key = -1;
+
+    /**
+     *
+     * Frees memory when object is destroyed.
+     *
+     */
+    public function __destruct()
+    {
+        $this->statement->closeCursor();
+        unset($this->statement);
+    }
+
+    /**
+     *
+     * Moves row set pointer to first element.
+     *
+     */
+    public function rewind()
+    {
+        $this->key = -1;
+        $this->next();
+    }
+
+    /**
+     *
+     * Returns value at current position.
+     *
+     * @return mixed
+     *
+     */
+    public function current()
+    {
+        return $this->row;
+    }
+
+    /**
+     *
+     * Returns key at current position.
+     *
+     * @return mixed
+     *
+     */
+    public function key()
+    {
+        return $this->key;
+    }
+
+    /**
+     *
+     * Fetches next row from statement.
+     *
+     */
+    abstract public function next();
+
+    /**
+     *
+     * Detects if iterator state is valid.
+     *
+     * @return bool
+     *
+     */
+    public function valid()
+    {
+        return $this->row !== false;
+    }
+}