You should be able to:

• Understand the PHP data types, String, Integer, Floating point numbers, Boolean, Array, Object, NULL.

• Be able to manipulate Strings including using Regular Expressions.

• Understand and use standard libraries to manipulate date and time objects, files, URLs.

• Understand and use the PHP predefined variables, such as $GLOBALS, $_SERVER, and $_COOKIES.

• Develop functions and call them.

• Understand how to process forms.

• Use regular expressions to validate user input.