Upload files to 'includes'

includes/FilteredIterator.php

@@ -0,0 +1,45 @@
+<?php
+/**
+ * Iterator for arrays requiring filtered values
+ *
+ * @package Requests
+ * @subpackage Utilities
+ */
+
+/**
+ * Iterator for arrays requiring filtered values
+ *
+ * @package Requests
+ * @subpackage Utilities
+ */
+class Requests_Utility_FilteredIterator extends ArrayIterator {
+	/**
+	 * Callback to run as a filter
+	 *
+	 * @var callable
+	 */
+	protected $callback;
+
+	/**
+	 * Create a new iterator
+	 *
+	 * @param array $data
+	 * @param callable $callback Callback to be called on each value
+	 */
+	public function __construct($data, $callback) {
+		parent::__construct($data);
+
+		$this->callback = $callback;
+	}
+
+	/**
+	 * Get the current item's value after filtering
+	 *
+	 * @return string
+	 */
+	public function current() {
+		$value = parent::current();
+		$value = call_user_func($this->callback, $value);
+		return $value;
+	}
+}