Week 8 Outline

• Review solution to Assignment #3

• Overview of PHP

  Key properties of PHP

  • Like ASP, scriptlets are embedded in HTML

  • Scriptlets are interpreted

  • Similar to Unix scripting languages (e.g. C Shell)

  • Dynamic binding of types

  • Syntax of control statements is similar to C and Java

  • Convenient language constructs for Web programming

  Code examples discussed in class.

  PHP reference manual and tutorial

• Overview of CGI (Common Gateway Interface)

  • Standard for having programs interact with a Web server

  • Program may be written in any language

  Perhaps the easiest way to run CGIs is to install and run the Apache Web server. The Perl CGI examples were tested on version 2.0. Here is a tutorial for running CGIs on the Apache Web server.

• Overview of Perl

  Key properties

  • Commonly used language for CGIs

  • May be interpreted or compiled

  • Similar to Unix scripting languages (e.g. C Shell)

  • Dynamic binding of types

  • Syntax of control statements is similar to C and Java

  • Powerful but simple constructs for manipulating strings and files

  Code examples discussed in class.

  Perl references

• Discuss next programming assignment