title: Write a programming language interpreter
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/294852/references-needed-for-implementing-an-interpreter-in-c-c">References Needed for Implementing an Interpreter in C/C++</a>  </p>
  </blockquote>
  
  
  
  <p>How do I write a programming language interpreter such as how PHP works, im not talking about compilers though, are there any simple examples that can get me started writing a programming language interpreter?</p>