adding zend project folders into old campcaster.

library/propel/runtime/lib/query/CriterionIterator.php

@@ -0,0 +1,54 @@
+<?php
+
+/**
+ * This file is part of the Propel package.
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @license    MIT License
+ */
+ 
+/**
+ * Class that implements SPL Iterator interface.  This allows foreach () to
+ * be used w/ Criteria objects.  Probably there is no performance advantage
+ * to doing it this way, but it makes sense -- and simpler code.
+ *
+ * @author     Hans Lellelid <hans@xmpl.org>
+ * @version    $Revision: 1612 $
+ * @package    propel.runtime.query
+ */
+class CriterionIterator implements Iterator
+{
+
+	private $idx = 0;
+	private $criteria;
+	private $criteriaKeys;
+	private $criteriaSize;
+
+	public function __construct(Criteria $criteria) {
+		$this->criteria = $criteria;
+		$this->criteriaKeys = $criteria->keys();
+		$this->criteriaSize = count($this->criteriaKeys);
+	}
+
+	public function rewind() {
+		$this->idx = 0;
+	}
+
+	public function valid() {
+		return $this->idx < $this->criteriaSize;
+	}
+
+	public function key() {
+		return $this->criteriaKeys[$this->idx];
+	}
+
+	public function current() {
+		return $this->criteria->getCriterion($this->criteriaKeys[$this->idx]);
+	}
+
+	public function next() {
+		$this->idx++;
+	}
+
+}