Initial commit.

lib/php/monica/newsn.inc.php

@@ -0,0 +1,40 @@
+<?php
+// File name:	newsn.inc.php
+// Description:	PHP subroutine to generate a new random serial number
+// Date:	2002-04-17
+// Author:	imacat <imacat@pristine.com.tw>
+// Copyright:	Copyright (C) 2002-2007 Pristine Communications
+
+// Set the include path
+if (!defined("INCPATH_SET")) {
+    require_once dirname(__FILE__) . "/incpath.inc.php";
+}
+// Referenced subroutines
+require_once "monica/sql.inc.php";
+
+// new_sn: Generate a new random serial number for an SQL table
+function new_sn($table)
+{
+    // S/N is always 9 digits
+    do {
+        // Generate a random serial number
+        $sn = mt_rand(100000000, 999999999);
+        // Check if this serial number exists
+        $select = "SELECT sn FROM $table WHERE sn=$sn;\n";
+        $result = sql_query($select);
+    } while (sql_num_rows($result) > 0);
+    return $sn;
+}
+
+// new_sn_assoc: Generate a new random serial number for an associative array
+function new_sn_assoc(&$assoc)
+{
+    // S/N is always 9 digits
+    do {
+        // Generate a random serial number
+        $sn = mt_rand(100000000, 999999999);
+    } while (array_key_exists($sn, $assoc));
+    return $sn;
+}
+
+?>