Installing php 5.4 on Centos 6.7

Yum by default puts the version 5.3, that would put the 5.4 repository atomic connect

wget -q -O - http://www.atomicorp.com/installers/atomic | sh

And put as usual

yum install php php-fpm php-mysql php-gd php-mbstring php-mcrypt php-xml

To test the PHP Apache project directory

 nano pi.php

with this content

<?php

// Show all information, defaults INFO_ALL
phpinfo();

?>

Ctrl+O Ctrl+X

Restart Apache

service httpd restart

check http: // to your website / pi.php

That's quite simple.