PHP PHP 8.0.0 GA Stable Release

PHP folks have officially announced the release of PHP 8.0.0 GA stable release. Centmin Mod 123.09beta01 latest update has added support for PHP 8.0.0 based php-fpm. So you can run cmupdate command to update 123.09beta01 on your servers and then run centmin.sh menu option 5 to enter at prompt PHP version = 8.0.0 to update.

PHP 8 is faster especially with JIT enabled - older benchmarks I did ~8 months ago for PHP 8.0 vs 7.4 vs 7.3 vs 7.2 vs 7.1 vs 7.0 at https://community.centminmod.com/th...s-7-2-vs-7-1-vs-7-0-php-fpm.18741/#post-79730







However, not all PHP extensions would be supported initially for PHP 8.0.0 so PHP web app compatibility may vary. Make sure your PHP scripts are PHP 8 compatible first. You can do that via setting up a test VPS server with Centmin Mod 123.09beta01 and PHP 8.0.0. PHP folks have a PHP 8.0 migration guide at PHP: Migrating from PHP 7.4.x to PHP 8.0.x - Manual

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One relevant new PHP 8 option for PHP-FPM is pm.status_listen that I will need to add into Centmin Mod 123.09beta01's PHP 8 upgrade routine.

Code (Text):

php -v
PHP 8.0.0 (cli) (built: Nov 25 2020 13:24:32) ( NTS )
Copyright (c) The PHP Group
Zend Engine v4.0.0-dev, Copyright (c) Zend Technologies
    with Zend OPcache v8.0.0, Copyright (c), by Zend Technologies

Code (Text):

php-config
Usage: /usr/local/bin/php-config [OPTION]
Options:
  --prefix            [/usr/local]
  --includes          [-I/usr/local/include/php -I/usr/local/include/php/main -I/usr/local/include/php/TSRM -I/usr/local/include/php/Zend -I/usr/local/include/php/ext -I/usr/local/include/php/ext/date/lib]
  --ldflags           [ -L/usr/local/lib64]
  --libs              [-lcrypt  -lc-client  -ltidy -largon2 -lresolv -lncurses -laspell -lpspell -lrt -lldap -llber -lstdc++ -lcrypt -lpam -lgmp -lbz2 -lutil -lrt -lm -ldl  -lsystemd -lxml2 -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err -lssl -lcrypto -lsqlite3 -lz -lcurl -lxml2 -lenchant -lgmodule-2.0 -lglib-2.0 -lffi -lssl -lcrypto -lz -lpng15 -lwebp -ljpeg -lXpm -lX11 -lfreetype -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err -lssl -lcrypto -licuio -licui18n -licuuc -licudata -lonig -lsqlite3 -ledit -ltinfo -lxml2 -lnetsnmp -lssl -lssl -lcrypto -lm -lxml2 -lsodium -largon2 -lxml2 -lxml2 -lxml2 -lxslt -lxml2 -lexslt -lxslt -lxml2 -lzip -lz -lssl -lcrypto -lcrypt ]
  --extension-dir     [/usr/local/lib/php/extensions/no-debug-non-zts-20200930]
  --include-dir       [/usr/local/include/php]
  --man-dir           [/usr/local/php/man]
  --php-binary        [/usr/local/bin/php]
  --php-sapis         [ cli embed fpm phpdbg cgi]
  --ini-path          [/usr/local/lib]
  --ini-dir           [/etc/centminmod/php.d]
  --configure-options [--enable-fpm --enable-opcache --enable-intl --enable-pcntl --with-mcrypt --with-snmp --enable-embed=shared --with-mhash --with-zlib --with-gettext --enable-exif --with-zip --with-libzip --with-bz2 --enable-soap --enable-sockets --enable-sysvmsg --enable-sysvsem --enable-sysvshm --with-mysql-sock=/var/lib/mysql/mysql.sock --with-curl --enable-gd --with-xmlrpc --enable-bcmath --enable-calendar --enable-ftp --enable-gd-native-ttf --with-freetype --with-jpeg --with-png-dir=/usr --with-xpm --with-webp --with-t1lib=/usr --enable-shmop --with-pear --enable-mbstring --with-openssl --with-mysql=mysqlnd --with-libdir=lib64 --with-mysqli=mysqlnd --enable-pdo --with-pdo-sqlite --with-pdo-mysql=mysqlnd --enable-inline-optimization --with-imap --with-imap-ssl --with-kerberos --with-readline --with-libedit --with-gmp --with-pspell --with-tidy --with-enchant --with-fpm-user=nginx --with-fpm-group=nginx --with-ldap --with-ldap-sasl --with-password-argon2=/usr/local --with-sodium=/usr/local --with-config-file-scan-dir=/etc/centminmod/php.d --with-fpm-systemd --with-ffi --with-xsl PKG_CONFIG_PATH=/opt/rh/devtoolset-9/root/usr/lib64/pkgconfig:/opt/rh/devtoolset-9/root/usr/lib64/pkgconfig ICU_CFLAGS=-I/usr/include ICU_LIBS=-L/usr/lib64 -licuio -licui18n -licuuc -licudata LIBSODIUM_CFLAGS=-I/usr/local/include LIBSODIUM_LIBS=-L/usr/local/lib64 -lsodium LIBZIP_CFLAGS=-I/usr/local/include LIBZIP_LIBS=-L/usr/local/lib64 -lzip]
  --version           [8.0.0]
  --vernum            [80000]

 

FYI, Wordpress 5.5 doesn't support PHP 8 as yet. Wordpress 5.6 is meant to support PHP 8 when it is released

Xenforo 2.2.2 next release will also support PHP 8

 

Like previous PHP 8.0 vs 7.4 vs 7.3 vs 7.2 vs 7.1 vs 7.0 benchmarks, redid them with latest versions below including PHP 8.0.0 with and without JIT and comparing it with Centmin Mod PHP-FPM with/without Profile Guided Optimizations and Remi YUM Repo versions

Looks like Centmin Mod PHP 7.4.13 with PGO enabled is as fast as PHP 8.0.0 for bench.php and micro_bench.php and faster than PHP 8.0.0 non-PGO/JIT for detailed_benchmark.php

PHP 8 JIT setting for opcache.jit was set to 1235 where default is 1254 consisting of 4 decimal digits - CRTO.

O (optimization level)

• 0: No JIT.
• 1: Minimal JIT (call standard VM handlers).
• 2: Inline VM handlers.
• 3: Use type inference.
• 4: Use call graph.
• 5: Optimize whole script.

T (trigger)

• 0: Compile all functions on script load.
• 1: Compile functions on first execution.
• 2: Profile functions on first request and compile the hottest functions afterwards.
• 3: Profile on the fly and compile hot functions.
• 4: Currently unused.
• 5: Use tracing JIT. Profile on the fly and compile traces for hot code segments.

R (register allocation)

• 0: Don't perform register allocation.
• 1: Perform block-local register allocation.
• 2: Perform global register allocation.

C (CPU-specific optimization flags)

• 0: Disable CPU-specific optimization.
• 1: Enable use of AVX, if the CPU supports it.

 

Previous post's PHP 8.0 vs 7.4 vs 7.3 vs 7.2 vs 7.1 vs 7.0 benchmarks used non default PHP 8.0.0 JIT CRTO 1235 mode. This time below tests add PHP 8.0.0 JIT with default CRTO mode = 1254 which seems to be the fastest PHP 8.0 JIT configuration.

 

You wouldn't need to configure it as default is tracking mode = 1254 but it's with opcache.jit PHP setting. You can customise via custom PHP .ini settings file. For custom php settings read centminmod.com/phpfpm.html#customphpini. You might want to create /etc/centminmod/php.d/b_customphp.ini to override centmin mod defaults at /etc/centminmod/php.d/a_customphp.ini and restart PHP-FPM. Such changes will persist when doing centmin mod upgrades. Also outlined in Getting Started Guide Step 17.

So for me

Code (Text):

php --ini
Configuration File (php.ini) Path: /usr/local/lib
Loaded Configuration File:         /usr/local/lib/php.ini
Scan for additional .ini files in: /etc/centminmod/php.d
Additional .ini files parsed:      /etc/centminmod/php.d/a_customphp.ini,
/etc/centminmod/php.d/curlcainfo.ini,
/etc/centminmod/php.d/geoip.ini,
/etc/centminmod/php.d/imagick.ini,
/etc/centminmod/php.d/mailparse.ini,
/etc/centminmod/php.d/maxminddb.ini,
/etc/centminmod/php.d/memcache.ini,
/etc/centminmod/php.d/memcached.ini,
/etc/centminmod/php.d/mysqlnd.ini,
/etc/centminmod/php.d/preload.ini,
/etc/centminmod/php.d/timezonedb.ini,
/etc/centminmod/php.d/zendopcache.ini,
/etc/centminmod/php.d/zz-zendopcache.ini,
/etc/centminmod/php.d/zzz-mailxheader.ini

I created /etc/centminmod/php.d/zz-zendopcache.ini to override default Zend Opcache settings set in /etc/centminmod/php.d/zendopcache.ini

 

I haven't added PHP 8.0 default install option yet. It will come after I have had time to test such

 

cheers just updated 123.09beta01 with mcrypt PHP 8.0 extension support

Code (Text):

php -v 
PHP 8.0.0 (cli) (built: Dec  4 2020 10:41:57) ( NTS )
Copyright (c) The PHP Group
Zend Engine v4.0.0-dev, Copyright (c) Zend Technologies
    with Zend OPcache v8.0.0, Copyright (c), by Zend Technologie

Code (Text):

php --ri mcrypt           
mcrypt
mcrypt support => enabled
mcrypt_filter support => enabled
Version => 2.5.8
Api No => 20021217
Supported ciphers => cast-128 gost rijndael-128 twofish arcfour cast-256 loki97 rijndael-192 saferplus wake blowfish-compat des rijndael-256 serpent xtea blowfish enigma rc2 tripledes 
Supported modes => cbc cfb ctr ecb ncfb nofb ofb stream 
Directive => Local Value => Master Value
mcrypt.algorithms_dir => no value => no value
mcrypt.modes_dir => no value => no value

 

If you try to manually recompile redis/igbinary via running cmupdate and then centmin.sh menu option 13 submenu option 2, does it work?

edit: @Rhodium updated 123.09beta02 with bug fix for this Beta Branch - fix redis/igbinary PHP extension support for PHP 8.0 in 123.09beta01

 

what is igbinary used for in Invision? newer PHP 7+ and 8 native serialization performance is up there so igbinary isn't really that useful AFAIK.

Glad to hear

Cheers mate, looks like it will be a busy December holiday season for addon developers