php_with_pthreads_installation_on_linux.txt

# Instructions. Copy and paste the codes below:

cd /usr/local/src

# Download all needed archives, four(4) archives
# For PHP source
wget http://au1.php.net/get/php-5.6.21.tar.bz2/from/this/mirror -O php.tar.gz 
# For curl. You can choose from any mirror site from https://curl.haxx.se/latest.cgi?curl=tar.gz&all=yes
wget https://dl.uxnr.de/mirror/curl/curl-7.48.0.tar.gz 
# For libxml2
wget ftp://xmlsoft.org/libxml2/libxml2-2.8.0.tar.gz
# For libmcrypt
wget http://ncu.dl.sourceforge.net/project/mcrypt/Libmcrypt/2.5.8/libmcrypt-2.5.8.tar.gz

# Extract all archives
sudo tar xzvf php.tar.gz
sudo tar xzvf curl-7.48.0.tar.gz
sudo tar xzvf libxml2-2.8.0.tar.gz
sudo tar xzvf libmcrypt-2.5.8.tar.gz 

# Install all dependencies
# Install curl
cd curl-7.48.0
sudo ./configure
sudo make
sudo make install
cd ..
# Install libxml2
cd libxml2-2.8.0
sudo ./configure
sudo make
sudo make install
cd ..
# Install libmcrypt
cd libmcrypt-2.5.8/
sudo ./configure --disable-posix-threads
sudo make 
sudo make install
cd ..

# Now all dependencies are installed, it is ready to build our custom-built php
cd /usr/local/src/php-5.6.21
sudo ./buildconf --force
sudo ./configure \
--prefix=/usr/local/src/php-5.6.21 \
--with-libdir=/lib/x86_64-linux-gnu/ \
--with-openssl=/usr --with-curl=/usr \
--disable-cgi \
--with-config-file-path=/usr/local/src/php-5.6.21/etc \
--enable-gd-native-ttf --enable-mysqlnd \
--enable-opcache --enable-pcntl \
--enable-debug --enable-maintainer-zts \
--enable-mbstring \
--enable-bcmath --enable-exif \
--enable-ftp --enable-shmop \
--enable-soap --enable-sockets \
--enable-sysvmsg --enable-sysvsem \
--enable-sysvshm --enable-wddx \
--enable-opcache --enable-zip --enable-dba \
--with-mcrypt --with-mysqli --with-pdo-mysql
sudo make clean
sudo make # Or use `make -j` to for faster processing because it uses multiple jobs
sudo make install

# Set and copy php.ini
sudo mkdir etc
sudo cp php.ini-production etc/php.ini
# Create symlink for our custom-built php. You can replace 'phpzts' symlink name to 'php' or any if you prefer
sudo ln -s /usr/local/src/php-5.6.21/sapi/cli/php /usr/bin/phpzts

# Install pthreads using pear
sudo bin/pear install pecl.php.net/pthreads-2.0.10

# This sets important configuration in your php.ini for extension_dir and pthreads
echo 'extension_dir = "/usr/local/src/php-5.6.21/lib/php/extensions/debug-zts-20131226"' | sudo tee -a etc/php.ini
echo 'extension=pthreads.so' | sudo tee -a etc/php.ini

# Check if pthreads and mcrypt is installed, 'pthreads' and 'mcrypt' should be in the list
phpzts -m

# If error occured "PDOException SQLSTATE[HY000] [2002] No such file or directory":
# Please refer to http://stackoverflow.com/questions/20723803/pdoexception-sqlstatehy000-2002-no-such-file-or-directory
# Make sure to set the correct unix_socket in your database.php config