Рефакторинг

src/Database/StatementIterator.php

@@ -0,0 +1,46 @@
+<?php
+
+class Database_StatementIterator implements Iterator
+{
+
+    private $result;
+    private $pos = 0;
+    private $fetchmode;
+    private $row_count;
+    
+    public function __construct(/*.Database_PDOStatement.*/ $rs) {
+        $this->result = $rs;
+		$this->row_count = $rs->getRecordCount();
+    }
+    
+    function rewind() {        
+        $this->pos = 0;
+    }
+    
+    function valid() {
+		return ($this->pos < $this->row_count);
+    }
+    
+    function key() {
+        return $this->pos;
+    }
+    
+    function current() {
+       if (!isset($this->result->cache[$this->pos])) {
+           $this->result->cache[$this->pos] = $this->result->fetch(PDO::FETCH_ASSOC);
+       } 
+       return $this->result->cache[$this->pos];
+    }
+    
+    function next() {
+        $this->pos++;
+    }
+
+    function seek($index) {
+		$this->pos = $index;
+    }
+
+    function count() {
+		return $this->row_count;
+    }
+}