Language Specification for PHP

Language Specification for PHP:

1. Variable names in PHP are case-sensitive, but function names, class names, method names, case-insensitive, case-sensitive

2, PHP code must be written in <?php?> (PHP tag), the opening tag (<?php) can not space

3, PHP code each line ends with a semicolon, the last line can omit the semicolon.

4, if a PHP file is composed of pure PHP code, then the end of the PHP logo, can be omitted, the proposed omission, if omitted, the last line must be added semicolon

5, the PHP file name can not contain Chinese, the path can not contain Chinese,

6, PHP file access must be able to cross the server (through the domain name)

Example:

Language Specification for PHP