new plugin: pager

plugins/pager.php

@@ -0,0 +1,46 @@
+<?php
+
+class pager {
+
+	static public $entries;
+	static public $page;
+	static public $limit;
+	static public $pages;
+
+	function setup($entries, $page, $limit) {
+		self::$entries = $entries;
+		self::$limit   = $limit;
+		self::$pages   = ($entries > 0) ? ceil($entries / $limit) : 0;
+		self::$page    = self::sanitize($page, self::$pages);
+	}
+
+	function get() {
+		return self::$page;
+	}
+
+	function next() {
+		return (self::$page+1 < self::$pages) ? self::$page+1 : self::$page;
+	}
+
+	function previous() {
+		return (self::$page-1 >= 1) ? self::$page-1 : self::$page;
+	}
+
+	function count() {
+		return self::$pages;
+	}
+
+	function sanitize($page, $pages) {
+		$page = intval($page);
+		if($page > $pages) $page = $pages;
+		if($page < 1) $page = 1;
+		return $page;
+	}
+
+	function db() {
+		return (self::$page-1)*self::$limit;
+	}
+
+}
+
+?>