From a4698195baff618dfa9f1c04d4461a1281521aa8 Mon Sep 17 00:00:00 2001
From: unknown <lietu@.(none)>
Date: Fri, 14 Aug 2009 23:53:44 +0300
Subject: Added support for automatically managing firewall rules with NAT
 rules.

---
 etc/inc/itemid.inc | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 etc/inc/itemid.inc

diff --git a/etc/inc/itemid.inc b/etc/inc/itemid.inc
new file mode 100644
index 0000000..c2ac4e1
--- /dev/null
+++ b/etc/inc/itemid.inc
@@ -0,0 +1,53 @@
+<?php
+
+/**
+* Delete an item with ['id'] = $id from $array
+* @param int The ID to delete
+* @param array The list of items to search for the ID from
+* @return boolean If the item was found or not
+* @author Janne Enberg
+*/
+function delete_id($id, &$array){
+	// Index to delete
+	$delete_index = NULL;
+
+	// Search for the item in the array
+	foreach ($array as $key => $item){
+		// If this item is the one we want to delete
+		if(isset($item['id']) && $item['id']==$id ){
+			$delete_index = $key;
+			break;
+		}
+	}
+
+	// If we found the item, unset it
+	if( $delete_index!==NULL ){
+		unset($array[$delete_index]);
+		return true;
+	} else {
+		return false;
+	}
+
+}
+
+/**
+* Get the next available ID from an item list
+* @param array The list of items to generate the ID for
+* @return int The next available ID
+* @author Janne Enberg
+*/
+function get_next_id($array){
+	// Default value
+	$next_id = 1;
+
+	// Search for IDs
+	foreach ($array as $item){
+		// If this item has an ID, and it's higher or equal to the current "next ID", use that + 1 as the next ID
+		if(isset($item['id']) && $item['id']>=$next_id ){
+			$next_id = $item['id'] + 1;
+		}
+	}
+	return $next_id;
+}
+
+?>
\ No newline at end of file
-- 
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