How to install the PHP environment locally: 1. Download and install Apache; 2. Download the PHP compressed package on the official website and extract it to the specified directory; 3. Download and install mysql; 4. Open the "Environment Variables" interface , configure the path variable of mysql; 5. Open the php.ini file and modify the configuration; 6. Open the httpd.conf file and add support for PHP and the installation path of PHP at the end of the file; 7. Start the Apache service.

The operating environment of this article: windows7 system, PHP7 version, DELL G3 computer.

Introduction: Summary in Windows environmentBuilding a PHP development environment (Apache PHP MySQL)

Installing Apache

1. Download Apache, address: http: //www.apachelounge.com/download/, as shown below:

2. Unzip the compressed package. It is best to put it in the root directory of the disk, otherwise it is easy to report a path error during configuration. Here I am The folder name has been changed to facilitate future configuration, as shown below:

Install PHP

1. Download the PHP compressed package at: https://windows .php.net/download, I downloaded the PHP7.0 Thread Safe version, as shown below:

2. Unzip the compressed package. After I unzipped it, it is as follows:

Installing MySQL

1. The MySQL55 version I installed. I will not introduce the installation method of MySQL here. You can search online by yourself

2. MySQL official download address: https ://dev.mysql.com/downloads/installer/

3. The default MySQL installation directory is as follows:

##Configuring MySQL

1. Open the environment variables page

The specific operations are as follows: My Computer-right-click-Properties-Advanced System Settings-Environment Variables

2. Create a new MYSQL_HOME variable with the value being the installation path of MySQL, as shown below:

3. Edit the path system variable and add %MYSQL_HOME%\bin to the end of the path variable. Face

4. Start MySQL, enter: start mysqld on the command line, as shown below:

Configuring PHP

1. Open PHP Copy php.ini-development in the installation directory first, then change php.ini-development to php.ini and save

2. Open php.ini to modify the configuration, find; extension_dir = “ext”, and change For extension_dir = "ext directory", for example, extension_dir = "D:\Software\php7\ext", as shown below:

3. Open several commonly used extensions, For example: find extension=php_mysqli.dll and remove the preceding semicolon. Open the libraries in the picture below:

Configuring Apache

1. Open the Apache installation directory and find httpd.conf in the conf folder. file and open

2. Find the "Define SRVROOT" item and change the value in the quotation marks to the Apache installation directory, as shown below:

3. Add support for PHP and PHP installation path at the end of the file, as shown below:

##The code is as follows:

# php7 support
LoadModule php7_module "D:/软件/php7/php7apache2_4.dll"
AddType application/x-httpd-php .php .html .htm

# configure the path to php.ini
PHPIniDir "D:/软件/php7"

Start the Apache service

1. Set environment variables

Right-click My Computer, Properties->Advanced, find the environment variables button at the bottom, select the current user's PATH variable, edit and create the following entries:

D :\Apache24\bin

D:\Software\php7
D:\Software\php7\ext

2. Install apache service

Open the command line as administrator, Execute httpd.exe -k install

3. Start the service

Find the bin folder in the installation directory of apache, double-click ApacheMonitor.exe, and apache will be started after double-clicking.

可以在任务栏选择下图图标，右键打开Apache Service Monitor窗口，进行Apache服务的管理 

4、此时在浏览器地址栏输入localhost，回车后就会出现apache的界面，如下图：

5、接下来在 Apache安装目录/htdocs的目录下新建一个phpinfo.php文件，内容为：

<?php
phpinfo();
?>

保存后，在浏览器输入127.0.0.1/phpinfo.php，回车，出现关于PHP的版本信息，如下图： 

至此php环境搭建完成，可以将php文件放入htdocs文件夹中运行了

踩到的坑

浏览器输入对应PHP地址后，无法解析php 

解决：在命令行输入httpd -t，可以查看是不是Apache的启动问题，如下图： 

 

可以看到，报错信息是说找不到PHP安装目录下的php7apache2_4.dll文件，通过网上查后我下载的PHP版本不对，应该下载Thread safe 版本。

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