Update PHP redirection online payment form on website www.mountainwalks.com

I am a skilled developer, I can update to HMAC SHA256 for payment redirection let discuss more via private message, thanks.

I have 297 reviews check https://www.freelancer.com/u/tarekahmed.html I am Eng. Tarek have a Master degree of Information Technology I am a web programmer Professional in programming Mobile Phone using (ionic), PHP Laravel framework, WordPress, Jquery, Flash

======= EXPERTS HERE WE ARE READY TO START======= Hi, can u please discuss in details so that we can let you know the best time frame and cost :) we always work for client satisfaction so please initiate chat as soon as possible :)

Hi, Thanks for the opportunity. As per your requirement, i would like to tell you that I have a very strong experience of more than 5 years in this field of design and development. Please spare a moment to discuss this project. Waiting for your message Thanks

Hi I have read your job description extremely carefully , so now don’t need to worry we will give PROFESSIONAL work in MINIMUM PRICE and I am absolutely sure that our team can do the job very well but I have couple of questions in my mind regarding your project. For more discussion regarding this project please ping me on chat box . I will be explain my strategy DISCOUNT OFFER- FREE Domain with FREE Hosting We have a Expertise team of more than 120 people : We have a Expertise team in following Technology Stack- Technologies stack- • PHP, .NET , JAVA, C • CMS & Ecommerce - Magento, Wordpress, Drupal, Joomla, Opencart,Prestashop • PSD,HTML5, CCS3, BootStrap ,Java Script • PhoneGap, Cordova ( For hybrid Mobile App) • • Android (For Native Mobile App) ,IOS Application & Windows application Development • AngularJS, BackboneJS • NodeJS • ChartJS, D3.js, • NoSQL Data Base, MongoDB, My Sql • Google Adwords /SEO/SMM experts Regards Alisha

I do have experience in PHP ad web encryption