How to install PHP on CentOS-优快云博客

本文提供了一套详细的指南，教你如何在Linux环境下安装PHP，并进行基本的配置优化以提升其性能。包括增加脚本内存限制、调整最大执行时间、设置上传文件大小限制等步骤。

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PHP

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. For more information on PHP, visit their website atwww.php.net (link is external).

Version

This documentation was written for PHP 5.1.6 but may be usefull with other versions.

How to install PHP

Run the yum install command

yum install php

yum install php-devel php-gd php-pecl-memcache php-pspell php-snmp php-xmlrpc php-xml php-pdo

How to configure PHP

Increase PHP script memory limit
In the /etc/php.ini file replace memory_limit = 16M withmemory_limit = 128M
Increase PHP script max execution time
In the /etc/php.ini file replace max_execution_time = 30 withmax_execution_time = 120
Increase PHP script max upload size
In the /etc/php.ini file replace max_upload_size = 2M withmax_upload_size = 50M
In the /etc/php.ini file replace post_max_size = 8M withpost_max_size = 50M
Create the /usr/share/phpinfo folder
mkdir /usr/share/phpinfo
Create the /usr/share/phpinfo/index.php file with the following text:
<?php
phpinfo();
?>
Change permissions on the index.php file
chmod 0755 /usr/share/phpinfo/index.php
Create the /etc/httpd/conf.d/phpinfo.conf file with the following text:
# phpinfo - PHP utility function for displaying php configuration
#
# Allows only localhost by default

Alias /phpinfo /usr/share/phpinfo
<Directory /usr/share/phpinfo/>
   order deny,allow
   deny from all
   allow from 127.0.0.1
</Directory>
Restart Apache Server
service httpd restart

Test

Visit localhost/phpinfo in your web browser. You should see the infamous phpinfo output. If the address bar changes to somthing other thanhttp://localhost/phpinfo/ (link is external), than somthing went wrong while following the instructions and your browser has interpreted this as a search. Try following the instruction again. If it still doesn't work, send me an email via my contact page and let me know somthing isn't working right. If it did work, you have successfully installed PHP.

http://dev.antoinesolutions.com/php