sudo apt install build-essential pkg-config autoconf bison re2c libxml2-dev \
libssl-dev libsqlite3-dev libcurl4-openssl-dev libpng-dev libjpeg-dev \
libonig-dev libfreetype6-dev libzip-dev libtidy-dev libwebp-dev
VERSION=8.0.3
wget -qO- https://www.php.net/distributions/php-${VERSION}.tar.gz | tar -xz
cd php-${VERSION}/ext
git clone --depth=1 https://github.com/krakjoe/parallel.git
cd ..
./buildconf --force
./configure \
--prefix=/etc/php8z \
--with-config-file-path=/etc/php8z \
--with-config-file-scan-dir=/etc/php8z/conf.d \
--disable-cgi \
--with-zlib \
--with-zip \
--with-openssl \
--with-curl \
--enable-mysqlnd \
--with-mysqli=mysqlnd \
--with-pdo-mysql=mysqlnd \
--enable-pcntl \
--enable-gd \
--enable-exif \
--with-jpeg \
--with-freetype \
--with-webp \
--enable-bcmath \
--enable-mbstring \
--enable-calendar \
--with-tidy \
--enable-zts \
--enable-parallel
make -j$(nproc)
sudo make install
sudo cp php.ini-development /etc/php8z/php.ini
sudo ln -s /etc/php8z/bin/php /usr/bin/phpz
Additional config: OPCache needs to be turned on, otherwise may run to memory corruption error in parallel extension.
sudo mkdir /etc/php8z/conf.d
sudo nano /etc/php8z/conf.d/additional.ini
memory_limit=-1
[opcache]
zend_extension=opcache
opcache.enable=1
opcache.enable_cli=1
opcache.memory_consumption=512
opcache.interned_strings_buffer=128