Installing php-zts on ubuntu 14.04 & 16.04 & 20.04

ubuntu-php7.2-zts-pthreads

############################################################################################
# INSTALL isolated PHP 7.2 ZTS (Thread-safe) with pthreads on Ubuntu 14.04 & 16.04 & 20.04 #
############################################################################################

1) Install dependencies
  sudo apt-get install git autoconf libxml2-dev bison libbison-dev m4 re2c pkg-config sqlite3 libsqlite3-dev libonig-dev

2) Download PHP

  cd /usr/src
  sudo git clone https://github.com/php/php-src
  cd php-src


2.a) Optionally check out specific branch

  git checkout PHP-5.6


3) Download pthreads

  cd ext
  sudo git clone https://github.com/krakjoe/pthreads
  cd ../


4) Compile

  sudo ./buildconf --force
  sudo ./configure --prefix=/opt/php-zts --with-config-file-path=/opt/php-zts/etc --enable-maintainer-zts  --with-mysql --with-mysqli --enable-pthreads --enable-mbstring
  
  optional: --with-apxs2=/usr/bin/apxs --enable-debug
  
  sudo make -j8
  sudo make test
  sudo make install
  sudo echo "extension=pthreads.so" > /opt/php-zts/modules.d/pthreads.ini
  (i had to create the dir and file)

5) Symlinking

  sudo ln -s /opt/php-zts/bin/php /usr/local/bin/php-zts
  sudo ln -s /opt/php-zts/bin/phpize /usr/local/bin/phpize-zts
  sudo ln -s /opt/php-zts/bin/php-config /usr/local/bin/php-config-zts
  sudo ln -s /opt/php-zts/bin/php-cgi /usr/local/bin/php-cgi-zts
  sudo ln -s /opt/php-zts/bin/phpdbg /usr/local/bin/phpdbg-zts

6) 
  sudo cp /usr/local/src/php-7.0.12/php.ini-production /usr/local/lib/php.ini
  php-zts --version

  >>php-zts --version
  PHP 7.2.0-dev (cli) (built: Nov  3 2016 17:10:19) ( ZTS )
  Copyright (c) 1997-2016 The PHP Group
  Zend Engine v3.1.0-dev, Copyright (c) 1998-2016 Zend Technologies

  
###################
# BUILD MODULES ###
###################

  cd /usr/src
  sudo git clone https://github.com/krakjoe/apcu
  cd apcu
  sudo phpize-zts
  sudo ./configure --with-php-config=php-config-zts
  sudo make -j8
  sudo make test
  sudo make install
  sudo echo "extension=apcu.so" > /opt/php-zts/modules.d/apcu.ini





-- http://stackoverflow.com/questions/18033191/how-to-install-pthread-in-ubuntu-12-10