Detailed explanation on how to install php5.2 on CentOS6.x/6.5/6.4/6.3/6.2/7.x 64-bit

By default, CentOS6 64 bit no longer supports php5.2.x, but some PHP programs still need zend optimizer support. What should I do? Currently, most yum repos no longer support direct installation of php5.2. How to install php5.2 on CentOS6.x/6.5/6.4/6.3/6.2/7.x 64-bit (automatic installation using YUM)

wget -qq -O - http://www.atomicorp.com/installers/atomic | /bin/bash

Backup[ !!! Take php.ini , php.conf and other backups !!! ], if it is a new installation, ignore this part.

Delete the installed php packageyum remove php*

Install yum install atomic-php52*

Make mapping :

ln -s /opt/atomic/atomic-php52/root/usr/bin/php /usr/bin/php
ln -s /opt/atomic/atomic-php52/root/usr/bin/php-cgi /usr/bin/php-cgi
ln -s /opt/atomic/atomic-php52/root/etc/php.d/ /etc/php.d
ln -s /opt/atomic/atomic-php52/root/etc/php.ini /etc/php.ini
ln -s /opt/atomic/atomic-php52/root/usr/lib64/php/ /usr/lib64/php
ln -s /opt/atomic/atomic-php52/root/usr/share/php/ /usr/share/php
vi /etc/httpd/conf.d/atomic-php52-php.conf
# Edit prefork part from libphp5.so to libphp52.so:
LoadModule php5_module modules/libphp52.so

Test:

# php -v
PHP 5.2.17 (cli) (built: May 21 2014 09:58:58)
Copyright (c) 1997-2010 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2010 Zend Technologies
# uname -a
Linux host819.ctohome.com 2.6.32-431.el6.x86_64 #1 SMP Fri Nov 22 03:15:09 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
[root@host819 etc]# cat /etc/redhat-release
CentOS release 6.5 (Final)

Done! !

Finding:

service httpd restart
vi /etc/yum.conf

Add exclude=php* to prevent accidentally upgrading php

Just install zend optimizer:

This program makes use of the Zend Scripting Language Engine:
Zend Engine v2.2.0, Copyright (c) 1998-2010 Zend Technologies
    with Zend Extension Manager v1.2.2, Copyright (c) 2003-2007, by Zend Technologies
    with Zend Optimizer v3.3.3, Copyright (c) 1998-2007, by Zend Technologies

If you need us to help you install php5.2 Zend Optimizer, the cost is 100 yuan/server/installation

centos5. x 32bit default installation is php5.1.x version. To upgrade to php5.2, you can try the following method:

cd /tmp;
rpm -ivh http://software.virtualmin.com/bleed/centos/5/i386/virtualmin-bleed-release-1.0-1.rhel.noarch.rpm
rm -f php*

vi /etc/yum.conf Add the following line to prohibit upgrading to php5.3

exclude=php*5.3*

Execute the following command to start upgrading php, check whether the version of php5.2 is displayed

yum update php*

vi /etc/yum.conf Add the following line to prohibit upgrading php

exclude=php*5.3* php*

centos5.x 32bit Another method to install php5.2:

rpm -Uvh http://mirror.webtatic.com/yum/centos/5/latest.rpm
rm -f php*

vi /etc/yum.conf Add the following line to disable the upgrade of php5.3

exclude=php*5.3*

Execute the following command to start upgrading php , check whether the version of php5.2 is displayed

yum --enablerepo=webtatic --exclude=php*5.3* update php*

Install the missing php library:

yum --enablerepo=webtatic --exclude=php*5.3* install mcrypt mbstring php -mbstring php-mcrypt

After the upgrade is successful,

vi /etc/yum.conf add the following line to prohibit upgrading php

exclude=php*5.3* php*

More related php knowledge, Please visit php tutorial!

The above is the detailed content of Detailed explanation on how to install php5.2 on CentOS6.x/6.5/6.4/6.3/6.2/7.x 64-bit. For more information, please follow other related articles on the PHP Chinese website!