PHP version upgarde in Linux

Complete process for PHP version update- 

1. First of all remove old version.

[root@localhost php]# yum remove php-common

2. Now Install php letest version

[root@localhost php]# yum -y install php55w php55w-opcache

[root@localhost php]# yum -y install php55w-xml php55w-mcrypt php55w-gd php55w-devel php55w-mysql php55w-intl php55w-mbstring

3. Now restart httpd service.

#/usr/sbin/httpd -k restart

To check status of httpd service in RHEL7.0 or above version -

#systemctl status httpd.service

4. Now you can check Version.

[root@localhost sbin]# php -v
PHP 5.5.38 (cli) (built: Jul 21 2016 12:25:20)
Copyright (c) 1997-2015 The PHP Group
Zend Engine v2.5.0, Copyright (c) 1998-2015 Zend Technologies
    with Zend OPcache v7.0.6-dev, Copyright (c) 1999-2015, by Zend Technologies