Install Second Version of PHP on Plesk (2015)

1. Download php from http://php.net/downloads.php

cd /usr/local/src/
wget http://xxx/php-5.6.11.tar.bz2
tar xjf php-5.6.11.tar.bz2
mv php-5.6.11 php5611

2. Install the necessary libraries

yum install libxml2-devel openssl-devel bzip2-devel curl-devel libjpeg-devel libpng-devel freetype-devel gmp-devel mysql-devel ncurses-devel unixODBC-devel net-snmp-devel mhash-devel libc-client-devel libicu-devel gcc postgresql-devel aspell-devel libxslt-devel gcc-c++ openldap-devel

3. Configure

./configure ‘–with-libdir=lib64’ ‘–cache-file=../config.cache’ ‘–prefix=/usr/local/php5611-cgi’ ‘–with-config-file-path=/usr/local/php5611-cgi/etc’ ‘–disable-debug’ ‘–with-pic’ ‘–disable-rpath’ ‘–with-bz2’ ‘–with-curl’ ‘–with-freetype-dir=/usr/local/php5611-cgi’ ‘–with-png-dir=/usr/local/php5611-cgi’ ‘–enable-gd-native-ttf’ ‘–without-gdbm’ ‘–with-gettext’ ‘–with-gmp’ ‘–with-iconv’ ‘–with-jpeg-dir=/usr/local/php5611-cgi’ ‘–with-openssl’ ‘–with-pspell’ ‘–with-pcre-regex’ ‘–with-zlib’ ‘–enable-exif’ ‘–enable-ftp’ ‘–enable-sockets’ ‘–enable-sysvsem’ ‘–enable-sysvshm’ ‘–enable-sysvmsg’ ‘–enable-wddx’ ‘–with-kerberos’ ‘–with-unixODBC=/usr’ ‘–enable-shmop’ ‘–enable-calendar’ ‘–without-sqlite3’ ‘–with-libxml-dir=/usr/local/php5611-cgi’ ‘–enable-pcntl’ ‘–with-imap’ ‘–with-imap-ssl’ ‘–enable-mbstring’ ‘–enable-mbregex’ ‘–with-gd’ ‘–enable-bcmath’ ‘–with-xmlrpc’ ‘–with-ldap’ ‘–with-ldap-sasl’ ‘–with-mysql=/usr’ ‘–with-mysqli’ ‘–with-snmp’ ‘–enable-soap’ ‘–with-xsl’ ‘–enable-xmlreader’ ‘–enable-xmlwriter’ ‘–enable-pdo’ ‘–with-pdo-mysql’ ‘–with-pdo-pgsql’ ‘–with-pear=/usr/local/php5611-cgi/pear’ ‘–without-pdo-sqlite’ ‘–with-config-file-scan-dir=/usr/local/php5611-cgi/php.d’ ‘–enable-cgi’

4. Compile php

cd /usr/local/src/php5611
make

5. Install php

cd /usr/local/src/php5611
make install

6. Set up php.ini

cp php.ini-development /usr/local/php5611-cgi/etc/php.ini

7. Restore SELinux contexts

restorecon -R /usr/local/php5611-cgi

Reference:
http://kb.odin.com/en/118378
http://download1.parallels.com/Plesk/Doc/en-US/online/plesk-administrator-guide/index.htm?fileName=72042.htm