Jan-E

yum install libmpc-devel mpfr-devel gmp-devel

cd /usr/src/
curl ftp://ftp.mirrorservice.org/sites/sourceware.org/pub/gcc/releases/gcc-4.9.3/gcc-4.9.3.tar.bz2 -O
tar xvfj gcc-4.9.3.tar.bz2
cd gcc-4.9.3
./configure --disable-multilib --enable-languages=c,c++
make -j `grep processor /proc/cpuinfo | wc -l`
make install

Jan-E

<?php

/**
 * Generate a PBKDF2 key derivation of a supplied password
 *
 * This is a hash_pbkdf2() implementation for PHP versions 5.3 and 5.4.
 * @link http://www.php.net/manual/en/function.hash-pbkdf2.php
 *
 * @param string $algo
 * @param string $password

Jan-E

<?php
/*
OCP - Opcache Control Panel   (aka Zend Optimizer+ Control Panel for PHP)
Author: _ck_   (with contributions by GK, stasilok)
Version: 0.1.6
Free for any kind of use or modification, I am not responsible for anything, please share your improvements

* revision history
0.1.6  2013-04-12  moved meta to footer so graphs can be higher and reduce clutter
0.1.5  2013-04-12  added graphs to visualize cache state, please report any browser/style bugs