Chapter 1 Guide and Start
Introduction to php
PHP is interpreted as an interpreter, interpretation of the PHP program in the page of the client (may query the database), then pass the result to the server, such as Apache, and then pass to Clients
PHP is a Server end language
2. Several features of php
Free, you can correct it, cross-platform, wide, hidden complexity, is designed to write web programs
3.PHP foundation
Take Php or Start, to end; each sentence ends with Senicolon, each line can be more sentence, keyword is not case sensitive, annotated compatible shell style (#), C style (//) and C style (/ * * /).