下载：

wget https://openssl.org/source/openssl-1.1.1u.tar.gz tar -xzvf openssl-1.1.1u.tar.gz cd openssl-1.1.1u

编译安装：

./config --prefix=/usr/local/openssl1.1 --openssldir=/usr/local/openssl1.1/ssl
make -j$(nproc)
make install

临时改环境变量：

export PATH=/usr/local/openssl1.1/bin:$PATH

export LD_LIBRARY_PATH=/usr/local/openssl1.1/lib:$LD_LIBRARY_PATH

configure php：

./configure --with-mysqli --with-pdo-mysql --enable-mbstring --enable-fpm --with-gd=/usr --with-curl --with-mcrypt --with-openssl --with-freetype-dir --with-zlib --with-jpeg-dir --with-png-dir --with-xpm-dir --enable-pcntl --with-gmp --enable-zip --enable-bcmath --with-openssl=/usr/local/openssl1.1/ --with-openssl-dir=/usr/local/openssl1.1/

编译安装：（略）