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2021-11-25，PHP 8.1 正式版发布，相对于 PHP 8.0，WordPress 有 3.5% 性能提升。休息时间尝试 OneinStack 将 php 8.0.12 升级到 php 8.1.3。
「OneinStack 将 php 8.0.12 升级到 php 8.1.3：https://ae.mba/25」
OneinStack php 升级
OneinStack 自带 php 升级脚本，不过并不支持跨版本升级，比如只能从 php 8.0.6 升级到 php 8.0.17，而无法从 php 8.0.16 升级到 php 8.1.3。
OneinStack php 8.0.16 升级到 php 8.1.3， 需要手工折腾编译升级。
「OneinStack 将 php 8.0.12 升级到 php 8.1.3：https://ae.mba/25」温馨提示：运行环境不可能完全一样，教程不一定都能成功，折腾前先备份一下！最好是做个快照（Snapshot），出问题恢复即可。
以下实战环境：Vultr VPS，1G+2G swap，CentOS Stream release 8
备份当前版本 php
which php ## 一般是 /usr/local/php/bin/php
cp -r /usr/local/php /usr/local/php_bak获取当前版本 php 配置参数
执行如下命令：
「OneinStack 将 php 8.0.12 升级到 php 8.1.3：https://ae.mba/25」/usr/local/php/bin/php -i | head输出配置参数：
phpinfo()
PHP Version => 8.0.12
System => Linux ae.mba 5.16.15-1.el8.elrepo.x86_64 #1 SMP PREEMPT Tue Mar 15 10:45:43 EDT 2022 x86_64
Build Date => Nov 18 2021 22:07:10
Build System => Linux ae.mba 4.18.0-348.el8.x86_64 #1 SMP Tue Oct 19 15:14:17 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Configure Command => './configure' '--prefix=/usr/local/php' '--with-config-file-path=/usr/local/php/etc' '--with-config-file-scan-dir=/usr/local/php/etc/php.d' '--with-fpm-user=www' '--with-fpm-group=www' '--enable-fpm' '--enable-opcache' '--disable-fileinfo' '--enable-mysqlnd' '--with-mysqli=mysqlnd' '--with-pdo-mysql=mysqlnd' '--with-iconv' '--with-freetype' '--with-jpeg' '--with-zlib' '--enable-xml' '--disable-rpath' '--enable-bcmath' '--enable-shmop' '--enable-exif' '--enable-sysvsem' '--with-curl=/usr/local/curl' '--enable-mbregex' '--enable-mbstring' '--with-password-argon2' '--with-sodium=/usr/local' '--enable-gd' '--with-openssl=/usr/local/openssl' '--with-mhash' '--enable-pcntl' '--enable-sockets' '--enable-ftp' '--enable-intl' '--with-xsl' '--with-gettext' '--with-zip=/usr/local' '--enable-soap' '--disable-debug' 'PKG_CONFIG_PATH=/usr/local/lib/pkgconfig/:'
Server API => Command Line Interface
Virtual Directory Support => disabled
Configuration File (php.ini) Path => /usr/local/php/etc
./configure 后面就是需要的参数：
./configure --prefix=/usr/local/php --with-config-file-path=/usr/local/php/etc --with-config-file-scan-dir=/usr/local/php/etc/php.d --with-fpm-user=www --with-fpm-group=www --enable-fpm --enable-opcache --disable-fileinfo --enable-mysqlnd --with-mysqli=mysqlnd --with-pdo-mysql=mysqlnd --with-iconv --with-freetype --with-jpeg --with-zlib --enable-xml --disable-rpath --enable-bcmath --enable-shmop --enable-exif --enable-sysvsem --with-curl=/usr/local/curl --enable-mbregex --enable-mbstring --with-password-argon2 --with-sodium=/usr/local --enable-gd --with-openssl=/usr/local/openssl --with-mhash --enable-pcntl --enable-sockets --enable-ftp --enable-intl --with-xsl --with-gettext --with-zip=/usr/local --enable-soap --disable-debug PKG_CONFIG_PATH=/usr/local/lib/pkgconfig/:
下载 PHP
从 https://www.php.net/downloads.php 页面下载最新 php Stable 版本，解压，进入源码目录。
「OneinStack 将 php 8.0.12 升级到 php 8.1.3：https://ae.mba/25」wget https://www.php.net/distributions/php-8.1.3.tar.gz
tar xf php-8.1.3.tar.gz
cd php-8.1.3配置 php
编译前，进入源代码目录（如：/root/oneinstack/src/php-8.1.3），configure 脚本执行配置：
./configure --prefix=/usr/local/php --with-config-file-path=/usr/local/php/etc --with-config-file-scan-dir=/usr/local/php/etc/php.d --with-fpm-user=www --with-fpm-group=www --enable-fpm --enable-opcache --disable-fileinfo --enable-mysqlnd --with-mysqli=mysqlnd --with-pdo-mysql=mysqlnd --with-iconv --with-freetype --with-jpeg --with-zlib --enable-xml --disable-rpath --enable-bcmath --enable-shmop --enable-exif --enable-sysvsem --with-curl=/usr/local/curl --enable-mbregex --enable-mbstring --with-password-argon2 --with-sodium=/usr/local --enable-gd --with-openssl=/usr/local/openssl --with-mhash --enable-pcntl --enable-sockets --enable-ftp --enable-intl --with-xsl --with-gettext --with-zip=/usr/local --enable-soap --disable-debug PKG_CONFIG_PATH=/usr/local/lib/pkgconfig/:
configure: error: Package requirements (libargon2) were not met:
可能报错：configure: error: Package requirements (libargon2) were not met:
checking whether arc4random_buf is declared... no
checking for Argon2 support... yes
checking for libargon2... no
configure: error: Package requirements (libargon2) were not met:
Package 'libargon2', required by 'virtual:world', not found
Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.
Alternatively, you may set the environment variables ARGON2_CFLAGS
and ARGON2_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.
另外如果提示 *** cannot find -largon2，（也可能是类似 Please verify that Argon2 header and libraries >= 20161029 are installed 错误提示）解决方法也是安装 Argon2 即可：
sudo yum install -y libargon2 libargon2-devel
安装完再进入 php-8.1.3 源码目录执行前面的 ./configure 进行配置.
php ./configure 配置成功
…………………
checking if g++ supports -c -o file.o... yes
checking whether the g++ linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes
checking dynamic linker characteristics... GNU/Linux ld.so
(cached) (cached) checking how to hardcode library paths into programs... immediate
Generating files
configure: patching main/php_config.h.in
configure: creating ./config.status
creating main/internal_functions.c
creating main/internal_functions_cli.c
config.status: creating main/build-defs.h
config.status: creating scripts/phpize
config.status: creating scripts/man1/phpize.1
config.status: creating scripts/php-config
config.status: creating scripts/man1/php-config.1
config.status: creating sapi/cli/php.1
config.status: creating sapi/fpm/php-fpm.conf
config.status: creating sapi/fpm/www.conf
config.status: creating sapi/fpm/init.d.php-fpm
config.status: creating sapi/fpm/php-fpm.service
config.status: creating sapi/fpm/php-fpm.8
config.status: creating sapi/fpm/status.html
config.status: creating sapi/phpdbg/phpdbg.1
config.status: creating sapi/cgi/php-cgi.1
config.status: creating ext/phar/phar.1
config.status: creating ext/phar/phar.phar.1
config.status: creating main/php_config.h
config.status: executing default commands
+--------------------------------------------------------------------+
| License: |
| This software is subject to the PHP License, available in this |
| distribution in the file LICENSE. By continuing this installation |
| process, you are bound by the terms of this license agreement. |
| If you do not agree with the terms of this license, you must abort |
| the installation process at this point. |
+--------------------------------------------------------------------+
Thank you for using PHP.
make 编译 PHP
./configure 配置通过，使用 make 直接编译。
make编译成功：
…………………
/bin/sh /root/oneinstack/src/php-8.1.3/libtool --silent --preserve-dup-deps --tag CC --mode=link cc -export-dynamic -fno-common -Wstrict-prototypes -Wformat-truncation -Wlogical-op -Wduplicated-cond -Wno-clobbered -Wall -Wextra -Wno-strict-aliasing -Wno-unused-parameter -Wno-sign-compare -g -O2 -fvisibility=hidden -Wimplicit-fallthrough=1 -DZEND_SIGNALS …… -ljpeg -lfreetype -licuio -licui18n -licuuc -licudata -lonig -lsqlite3 -lxml2 -lxml2 -lsodium -largon2 -lrt -ldl -lxml2 -lxml2 -lxml2 -lxslt -lm -lxml2 -lexslt -lxslt -lm -lgcrypt -ldl -lgpg-error -lxml2 -lzip -lz -lz -lssl -lcrypto -lcrypt -o sapi/cgi/php-cgi
Generating phar.php
Generating phar.phar
PEAR package PHP_Archive not installed: generated phar will require PHP's phar extension be enabled.
directorytreeiterator.inc
pharcommand.inc
directorygraphiterator.inc
phar.inc
invertedregexiterator.inc
clicommand.inc
Build complete.
Don't forget to run 'make test'.
安装 PHP
编译成功，先停止 php-fpm 服务：
systemctl stop php-fpm安装：
make install日志：
Installing shared extensions: /usr/local/php/lib/php/extensions/no-debug-non-zts-20210902/
Installing PHP CLI binary: /usr/local/php/bin/
Installing PHP CLI man page: /usr/local/php/php/man/man1/
Installing PHP FPM binary: /usr/local/php/sbin/
Installing PHP FPM defconfig: skipping
Installing PHP FPM man page: /usr/local/php/php/man/man8/
Installing PHP FPM status page: /usr/local/php/php/php/fpm/
Installing phpdbg binary: /usr/local/php/bin/
Installing phpdbg man page: /usr/local/php/php/man/man1/
Installing PHP CGI binary: /usr/local/php/bin/
Installing PHP CGI man page: /usr/local/php/php/man/man1/
Installing build environment: /usr/local/php/lib/php/build/
Installing header files: /usr/local/php/include/php/
Installing helper programs: /usr/local/php/bin/
program: phpize
program: php-config
Installing man pages: /usr/local/php/php/man/man1/
page: phpize.1
page: php-config.1
/root/oneinstack/src/php-8.1.3/build/shtool install -c ext/phar/phar.phar /usr/local/php/bin/phar.phar
ln -s -f phar.phar /usr/local/php/bin/phar
Installing PDO headers: /usr/local/php/include/php/ext/pdo/
安装成功，启动 php-fpm 服务：
systemctl start php-fpm执行 php -v 可检查 php 版本：
PHP 8.1.3 (cli) (built: Mar 17 2022 21:03:25) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.1.3, Copyright (c) Zend Technologies
with Zend OPcache v8.1.3, Copyright (c), by Zend Technologies
如无意外，此时网站也能正常访问。
重新安装上 Memcached
如果原本开启了 Memcached，可能需要重新安装一下，否则访问网站报错：「此站点遇到了致命错误。了解有关对 WordPress 进行故障排除的更多信息。」
OneinStack 安装 php-memcached 扩展：
cd /root/oneinstack
./install.sh --php_extensions memcachedMemcached 安装完成，网站也恢复正常访问。
开启 Opcache JIT
不管有用没用，jit 也开上吧，在 opcache 配置中加入两行代码即可：
opcache.jit_buffer_size=128M
opcache.jit=1255Opcache 参考配置：
[opcache]
zend_extension=opcache.so
opcache.enable=1
opcache.enable_cli=1
opcache.jit_buffer_size=128M
opcache.jit=1255
opcache.memory_consumption=128
opcache.interned_strings_buffer=8
opcache.max_accelerated_files=100000
opcache.max_wasted_percentage=5
opcache.use_cwd=1
opcache.validate_timestamps=1
opcache.revalidate_freq=60
;opcache.save_comments=0
opcache.fast_shutdown=1
opcache.consistency_checks=0
;opcache.optimization_level=0
opcache.huge_code_pages=1
温馨提示：OneinStack Opcache 配置文件路径为：/usr/local/php/etc/php.d/02-opcache.ini
--- 完 ---
解压及网盘密码 1024