Binary to decimal function.

By : bjpalmer

function binToDec ($binary)
{
$decimal = 0;
$bits = strlen($binary);
for($i=0; $i<$bits; $i++)
{
$decimal = $decimal + (substr($binary, $i, 1) * pow(2, ($bits - ($i + 1))));
}
return $decimal;
}

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! 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! IBM Rational AppScan Standard Edition V7.7 Secure your Web applications with IBM Rational AppScan Standard Edition V7.7, previously known as Watchfire AppScan. This Web application security testing tool automates vulnerability assessments and scans and tests for common Web application vulnerabilities. Visit IBM developerWorks to download a free trial of IBM Rational AppScan Standard Edition V7.7. FREE! Go There Now!

NEW! IBM Rational Systems Development e-Kit As systems increase in complexity, communication between systems and software teams becomes more and more difficult. Now, there’s a way to improve product quality and communication.<br />Read the “Model Driven Systems Development” white paper to see how. Also included in this kit are more educational white papers, customer examples, tutorials, informative Webcasts, and best practices for designing, building and managing systems.<br /> FREE! Go There Now!

NEW! Trial download: IBM Rational Manual Tester V7.0.1 Try the latest version of IBM Rational Manual Tester V7.0.1 by downloading a free trial from IBM developerWorks. This manual test authoring and execution tool promotes test step reuse to reduce the impact of software change on testers and business analysts and addresses the needs of teams performing at least a portion of their testing manually. 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! Using Rational Business Developer to enhance your developer productivity Join this Rational Talks to You teleconference, to hear how Enterprise Generation Language (EGL) eliminates the need for tedious and error-prone low level coding, so developers can focus on business requirements. EGL extends the Rational software development platform with a simplified programming language that enables developers who have little or no experience with Java, Web technologies or Service Oriented Architecture, to create enterprise-class applications and services quickly and easily. It also allows developers who may have little or no mainframe programming experience to quickly create traditional mainframe components. FREE! Go There Now!

NEW! Webcast: Eclipse: Empowering the universal platform The Eclipse community is constantly working to extend Eclipse's functionality. In this webcast, learn about some of the most important and feature-rich projects under development. From multi-language support to plug-in development, tune in to see what Eclipse is capable of now. FREE! Go There Now!

NEW! Webcast: Quickly provide customized, integrated user interfaces with Lotus Notes 8 IBM Lotus Notes 8 provides a wide range of developers the ability to provide customized, integrated user interfaces via composite applications and via custom sidebar and toolbar plug-ins. This webcast provides you with tips and techniques to use with out-of-the-box capabilities of Lotus Notes 8, and survey how you can share useful components within your own company and within a larger community. FREE! Go There Now!

NEW! Whitepaper: Delivering SOA solutions: service lifecycle management The unprecedented scope of a service-oriented architecture (SOA) initiative brings to the forefront a number of management and governance issues that were sidestepped in the past. The key to a successful SOA implementation is managing and governing activities throughout the entire SOA delivery lifecycle by ensuring that services conform to the needs of all of the business’s stakeholders. Learn how service lifecycle management allows the business to ensure that the process by which services are defined, created, tested, deployed, optimized and retired is manageable, repeatable and auditable. FREE! Go There Now!

All FREE IBM® developerWorks Tools!