PHP Installation in Linux

 
cd /usr/local/src
wget http://es.php.net/distributions/php-5.4.1.tar.gz
tar -zxvf  php-.5.4.1.tar.gz
cd php-5.4.1

Run the command updatedb

Find the exact path of the Apache extension tool (apxs) using
 locate apxs 


./configure --with-apxs2=/usr/sbin/apxs --with-mysql=/usr/bin/mysql --with-libdir=lib64 --enable-mbstring --with-mcrypt

you can also use --prefix= (to the location you need the php to be installed)

Error
checking libxml2 install dir… /opt/xml2/
checking for xml2-config path…
configure: error: xml2-config not found. Please check your libxml2 installation.

Solution
yum -y install libxml2-devel
Error
configure: error: mcrypt.h not found. Please reinstall libmcrypt.

Solution
yum install libmcrypt
yum install libmcrypt-devel

Error:
configure: error: Cannot find MySQL header files under /usr/bin/mysql.
Note that the MySQL client library is not bundled anymore!


./configure --with-apxs2=/usr/sbin/apxs --with-mysqli=/usr/bin/mysql_config --enable-mbstring --with-mcrypt


make
make install

generating files
configure: creating ./config.status
creating main/internal_functions.c
creating main/internal_functions_cli.c
+--------------------------------------------------------------------+
| License: |
| This software is subject to the PHP License, available in this |
| distribution in the file LICENSE. By continuing this installation |
| process, you are bound by the terms of this license agreement. |
| If you do not agree with the terms of this license, you must abort |
| the installation process at this point. |
+--------------------------------------------------------------------+

Thank you for using PHP.

config.status: creating php5.spec
config.status: creating main/build-defs.h
config.status: creating scripts/phpize
config.status: creating scripts/man1/phpize.1
config.status: creating scripts/php-config
config.status: creating scripts/man1/php-config.1
config.status: creating sapi/cli/php.1
config.status: creating main/php_config.h
config.status: executing default commands


PHP installed successfully now.

You can check the installed php using:

rpm -qa  | grep -i php

For more details you can check 

./configure --help


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