This function returns a Uniq ID!

By : CodeKadiya

<?php
// Call function myUniqID(int Id length, str Id prefix)
myUniqId(25,"phpuser");

function myUniqId($numStr,$strPrx)
{
srand((double)microtime()*rand(1000000,9999999)); // Seed random number generator
$arrChar=array(); // New array
$uId=$strPrx; // Write prefix in the uniq id

for($i=65;$i<90;$i++)
{
array_push($arrChar,chr($i)); // Add A-Z to array
array_push($arrChar,strtolower(chr($i))); // Add a-z to array
}
for($i=48;$i<57;$i++)
{
array_push($arrChar,chr($i)); // Add 0-9 to array
}
for($i=0;$i<$numStr;$i++)
{
$uId.=$arrChar[rand(0,count($arrChar))]; // Write random picked chars in the uniq id
}
print "Uniq ID is : $uId"; // Print uniq ID on the screen
}
?>

DISCLAIMER: The content provided in this article is not warranted or guaranteed by Developer Shed, Inc. The content provided is intended for entertainment and/or educational purposes in order to introduce to the reader key ideas, concepts, and/or product reviews. As such it is incumbent upon the reader to employ real-world tactics for security and implementation of best practices. We are not liable for any negative consequences that may result from implementing any information covered in our articles or tutorials. If this is a hardware review, it is not recommended to open and/or modify your hardware.

More Miscellaneous Code Articles
More By Codewalkers

 

developerWorks - FREE Tools!

NEW! Build Web services with transport-level security using Rational Application Developer V7, Part 1: Build Web services and Web services clients Build secure Web services with transport-level security using IBM Rational Application Developer V7 and IBM WebSphere Application Server V6.1. Follow this three-part series for step-by-step instructions about how to develop Web services and clients, configure HTTP basic authentication, and configure HTTP over SSL (HTTPS). This first part of the series walks you through building a Web service for a simple calculator application. You generate and test two different types of Web services clients: a Java Platform, Enterprise Edition (Java EE) client and a stand-alone Java client. You also handle user-defined exceptions in Web services. FREE! Go There Now!

NEW! Download IBM Data Studio V1.1 Visit IBM developerWorks to download the latest trial version of IBM Data Studio V1.1 at no cost. IBM Data Studio is a comprehensive data management solution that helps you effectively design, develop, deploy and manage your data, databases, and database applications throughout the data management life cycle utilizing a consistent and integrated user interface. Unlike other client-side data management solutions that focus on only one aspect of the application lifecycle or database administration, Data Studio complements the Rational Software Delivery platform, providing unparalleled flexibility for a heterogeneous data server environment across platforms. FREE! Go There Now!

NEW! Download IBM Rational Developer for System z Download a free trial version of IBM Rational Developer for System z, software that can help you deliver core development capabilities; the power of Java Platform, Enterprise Edition (Java EE); and rapid application development support to diverse enterprise application development teams. With comprehensive development tools to help create, deploy and maintain traditional enterprise and composite applications, Rational Developer for System z enables developers with different technical backgrounds to easily participate in important technology projects. FREE! Go There Now!

NEW! Download IBM WebSphere Portal V6.1 beta code Download the IBM WebSphere Portal V6.1 beta code and learn more about the rich features and enhancements in IBM WebSphere Portal V6.1. WebSphere Portal provides a composite application or business mashup framework and the advanced tooling needed to build flexible, SOA-based solutions, and scalability to meet the needs of any size organization. FREE! Go There Now!

NEW! Hello World: Learn how to install and use the Rational Asset Manager Eclipse client In this tutorial, you can learn how to install and configure the IBM Rational Asset Manager Eclipse client, explore the different views in the Asset Management perspective, learn various search techniques, work with existing assets, and submit a new asset. FREE! Go There Now!

NEW! Info 2.0: Harnessing the power of Web 2.0 and Enterprise Mashups Listen to this webcast to get an overview of Info 2.0 and a technical demo of how to quickly build an enterprise mashup. IBM's Info 2.0 technology leverages emerging Web 2.0 technologies such as mashups, feeds, AJAX, and JSON in order to simplify assembly of information using feeds and services. Come learn about the technical elements of Info 2.0 including the Feed Generation framework, Mashup Engine, and mashup assembly components. Learn how to pull information from databases, departmental information, and the Web to create mashups critical to your company’s success. We will also discuss best practices to help you get started. FREE! Go There Now!

NEW! Rational Build Forge Express eKit Rational Build Forge Express Edition is an automation framework that packages the latest enterprise-grade technologies into a reliable, flexible and robust configuration designed and priced specifically for small to midsize businesses. The new Rational Build Forge Express eKit provides you with valuable resources – including a case study, podcast, demo, and articles – to help you increase staff productivity, compress development cycles and deliver better software, fast. FREE! Go There Now!

NEW! Section 508 of the U.S. Rehabilitation Act: Web accessibility compliance Because access to government information continues to be an area of concern for many U.S. citizens with disabilities, the U.S. government enacted Section 508 of the Rehabilitation Act in 2001 to ensure that government agencies create accessible Web content, enabling all citizens to access the information they need. A fully accessible Web site makes Web content accessible to all individuals, including those with disabilities, who may be accessing Web content via a variety of user agents. Common user agents include standard Web browsers, text-only browsers, assistive devices and mobile devices such as cell phones or personal digital assistants (PDAs). FREE! Go There Now!

NEW! Trial download: IBM Rational Tester for SOA Quality V7.0.1 Get a free trial download of the latest version of IBM Rational Tester for SOA Quality V7.0.1, a functional and regression testing tool that enables the creation, comprehension, modification and execution of testing GUI-less Web services. FREE! Go There Now!

NEW! Try the IBM SOA Sandbox for People Visit IBM developerWorks to try the IBM SOA Sandbox for people. The SOA Sandbox for people provides a trial environment with the necessary tooling and components required to enable consistent human and process interaction and collaboration, showing how you can improve user experience and business productivity. FREE! Go There Now!

All FREE IBM® developerWorks Tools!