Both ASP.NET and PHP are types of programming languages used widely throughout the world. There are many differences between the two and both have their plus and negative points. Below is a list of a few of the differences between the two.

• PHP is an open source technology which can be used for free, compared to ASP.NET which is a Microsoft technology and can be quite expensive.
• PHP is a programming language where as ASP.NET is a platform for other languages such as C# can be used.
• PHP can run in Linux Operating System, which is free where as ASP.NET has to use a Windows Platform, for which there are costs associated.
• PHP execution is faster as PHP uses built in memory space as opposed to ASP.NET which uses the server space.
• ASP.Net is a more advanced coding option, which requires a lot of learning and experience. PHP is relatively easy in comparison and is often why it is used more frequently.