Playing With Strings PHP / Getting Started
Strings are probably what you will use most in your PHP script. From concatenating, looking for patterns, trim, chop etc.
Using Form PHP / Forms
Using forms in a web based application is very common. Most forms are used to gather information like in a signup form, survey / polling, guestbook, etc.
Using Functions PHP / Functions
Real world applications are usually much larger than the examples above. In has been proven that the best way to develop and maintain a large program is to construct it from smaller pieces (functions) each of which is more manageable than the original program.
Insert Data To MySQL MySQL / General Guides
You can insert data to the tables directly from mysql> prompt or by loading a file containing the data. The values will be tab separated one line represent one record.