Christopher Juckins

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==== Rocky Linux PHP 8.1 Upgrade ====

Pre-existing PHP 7.4 RPMs:

  [root@tidewater: ~]# rpm -qa |grep php | sort
  oniguruma5php-6.9.7.1-1.el7.remi.x86_64
  php-7.4.28-1.el7.remi.x86_64
  php-cli-7.4.28-1.el7.remi.x86_64
  php-common-7.4.28-1.el7.remi.x86_64
  php-json-7.4.28-1.el7.remi.x86_64
  php-mbstring-7.4.28-1.el7.remi.x86_64
  php-mysqlnd-7.4.28-1.el7.remi.x86_64
  php-pdo-7.4.28-1.el7.remi.x86_64
  php-pecl-mcrypt-1.0.4-1.el7.remi.7.4.x86_64
  php-sodium-7.4.28-1.el7.remi.x86_64
  php-xml-7.4.28-1.el7.remi.x86_64

Install PHP 8.1 on 6 March 2022 using https://computingforgeeks.com/how-to-install-php-centos-rhel-linux/

  # dnf module list php
  # dnf -y module reset php
  # dnf module install php:remi-8.1
  # dnf install php php-mysqlnd php-pecl-mcrypt libmcrypt libmcrypt-devel

Update the php.ini to my local changes

  # systemctl restart httpd
  # systemctl daemon-reload

Ensure latest version of PHP is installed:

  # php --version

After installation, PHP 8.1 RPMs include the following:
  # rpm -qa |grep php | sort
  oniguruma5php-6.9.8-1.el8.remi.x86_64
  php-8.1.6-1.el8.remi.x86_64
  php-cli-8.1.6-1.el8.remi.x86_64
  php-common-8.1.6-1.el8.remi.x86_64
  php-fpm-8.1.6-1.el8.remi.x86_64
  php-mbstring-8.1.6-1.el8.remi.x86_64
  php-mysqlnd-8.1.6-1.el8.remi.x86_64
  php-opcache-8.1.6-1.el8.remi.x86_64
  php-pdo-8.1.6-1.el8.remi.x86_64
  php-pecl-mcrypt-1.0.5-1.el8.remi.8.1.x86_64
  php-sodium-8.1.6-1.el8.remi.x86_64
  php-xml-8.1.6-1.el8.remi.x86_64
  
Be sure to test the following:
  * phpinfo.php
  * https://juckins.net and all ASMAD pages
  * lastupdated.php and tat_local_php81.php
      * Test 127.0.0.1, localhost, and SERVER IP ADDRESS

These errors appeared:

  Deprecated: Constant FILTER_SANITIZE_STRING is deprecated in ...

Fix is explained at [[https://stackoverflow.com/questions/69207368/constant-filter-sanitize-string-is-deprecated|Stack Overflow]] and 2 options are the following:

  * use FILTER_SANITIZE_FULL_SPECIAL_CHARS
  * use FILTER_UNSAFE_RAW 

NOTE: 7 March 2022

  * Had to back out to PHP v7.4
    * Local copy of Dokuwiki would not render correctly
      * Fixed upon attempt number 2 in June 2022
      * Ensure permissions are correct
    * Local TAT http wget was failing
      * Needed to install php-pecl-mcrypt
      * Fixed upon attempt number 2 in June 2022

If php-pecl-mcrypt disappears one day, you can use [[https://pecl.php.net/package/mcrypt|PECL]]

  pecl update-channels
  pecl install mcrypt-1.0.5
  
Follow note at end of install to update the php.ini.  You may need to use dnf to install pecl (dnf provides pecl)