1 files changed, 62 insertions, 0 deletions
diff --git a/includes/UserArray.php b/includes/UserArray.php
new file mode 100644
index 00000000..27847e6f
--- /dev/null
+++ b/includes/UserArray.php
@@ -0,0 +1,62 @@
+<?php
+
+abstract class UserArray implements Iterator {
+	static function newFromResult( $res ) {
+		$userArray = null;
+		if ( !wfRunHooks( 'UserArrayFromResult', array( &$userArray, $res ) ) ) {
+			return null;
+		}
+		if ( $userArray === null ) {
+			$userArray = self::newFromResult_internal( $res );
+		}
+		return $userArray;
+	}
+
+	protected static function newFromResult_internal( $res ) {
+		$userArray = new UserArrayFromResult( $res );
+		return $userArray;
+	}
+}
+
+class UserArrayFromResult extends UserArray {
+	var $res;
+	var $key, $current;
+
+	function __construct( $res ) {
+		$this->res = $res;
+		$this->key = 0;
+		$this->setCurrent( $this->res->current() );
+	}
+
+	protected function setCurrent( $row ) {
+		if ( $row === false ) {
+			$this->current = false;
+		} else {
+			$this->current = User::newFromRow( $row );
+		}
+	}
+
+	function current() {
+		return $this->current;
+	}
+
+	function key() {
+		return $this->key;
+	}
+
+	function next() {
+		$row = $this->res->next();
+		$this->setCurrent( $row );
+		$this->key++;
+	}
+
+	function rewind() {
+		$this->res->rewind();
+		$this->key = 0;
+		$this->setCurrent( $this->res->current() );
+	}
+
+	function valid() {
+		return $this->current !== false;
+	}
+}