PHP 8.1 and Redis

celiac101

• February 22, 2022 15:40

I'm trying to get Redis caching going on a site running PHP 8.1. Redis is working on the site under PHP 7.4 and PHP 8.0. I did run the install line: /opt/cpanel/ea-php81/root/usr/bin/pecl install redis and it looks like it installed correctly, but when I test it using this line: /opt/cpanel/ea-php81/root/usr/bin/php -m | grep redis I don't get the "redis" return. Does cpanel currently support Redis under PHP 8.1, and if not, is there a workaround to get it going?

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  cPRex Jurassic Moderator

  • February 23, 2022 14:54

  Hey there! I couldn't reproduce this issue as this installed normally for me under PHP 8.1: Build process completed successfully Installing '/opt/cpanel/ea-php81/root/usr/lib64/php/modules/redis.so' install ok: channel://pecl.php.net/redis-5.3.7 Extension redis enabled in php.ini [root@10-2-32-104 ~]# /opt/cpanel/ea-php81/root/usr/bin/php -m | grep redis redis
  This particular test was on cPanel 102.0.4 on CentOS 7.

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  celiac101

  • February 23, 2022 16:55

  Thank you for the reply, and for testing this out. I am running CentOS v7.9.2009 and cPanel v100.0.10. Here is my output: #/opt/cpanel/ea-php81/root/usr/bin/pecl install redis WARNING: channel "pecl.php.net" has updated its protocols, use "pecl channel-update pecl.php.net" to update downloading redis-5.3.7.tgz ... Starting to download redis-5.3.7.tgz (275,200 bytes) .........................................................done: 275,200 bytes 31 source files, building running: phpize
  #/opt/cpanel/ea-php81/root/usr/bin/php -m | grep redis Nothing. I wonder if the difference is due to you running cPanel 102.0.4? How can I run that?

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  celiac101

  • February 23, 2022 17:07

  I figured out part of my issue. I had these functions in my php.ini disabled: disable_functions = popen, proc_open Once I enabled those it did install redis, but threw the error below, and redis is still not running on PHP 8.1: ERROR: `/root/tmp/pear/redis/configure --with-php-config=/opt/cpanel/ea-php81/root/usr/bin/php-config --enable-redis-igbinary=y --enable-redis-lzf=y --enable-redis-zstd=y' failed
  Any ideas?

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  celiac101

  • February 23, 2022 17:24

  I don't know if this is the answer, but this forum (`pecl install redis` fails if lzf is enabled " Issue #1325 " phpredis/phpredis), at least on Ubuntu, explains how they fixed a similar issue using this command, but not sure what I need to do exactly: phpize; ./configure --enable-redis-igbinary --enable-redis-lzf; make;

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  celiac101

  • February 23, 2022 17:37

  I found a solution. What worked was using the WHM > Software > Module Installers > PHP PECL "redis" to install the module. After this I did see the correct: #/opt/cpanel/ea-php81/root/usr/bin/php -m | grep redis redis I hope this helps someone else.

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  cPRex Jurassic Moderator

  • February 23, 2022 17:51

  I just tested now on version 100 and I'm not seeing a change in behavior. Could you submit a ticket to our team so we could check that specific server?

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  celiac101

  • February 23, 2022 20:24

  Thanks for the follow up, but as mentioned, I did get it working using the solution in my prior post.

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  cPRex Jurassic Moderator

  • February 23, 2022 20:26

  Ah, my page didn't refresh before I sent my reply. I'm glad that's working well for you now!

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