PHP environment and to build summary

summarize

1. What is PHP?

PHP is a hypertext preprocessor

2. Operating principle:

Running on the server side scripting language embedded in HTML
PHP integrated environment with those:
WampServer (I use is the integrated development environment), xmapp, PHPstudy, APPserver. . . . . . . . .

PHP engine (version 7.0) mysql (database database) Apache (service)

Note : Why in learning with integrated environment?
Simple entry (the latter will be built environment)

3. Access

Method 1: localhost native server name / your PHP file name
Second way: 127.0.0.1 IP address of the machine you / php file name

4. Note

When early learning, the code unified written in the www folder (that is, files under wampserver installation directory folder) below

[Tools]
vim, subline. [Notepad ++] (I do developers use), phpstrom, webstrom, dw, Netbeans

[Information] to obtain PHP
using phpinfo () method to display all the information php
it is modular, you need to use what you have to turn the module (open in the php.ini file)

PHP is my self-study course, what questions we can explore together oh