{"id":9606,"date":"2022-11-16T17:30:14","date_gmt":"2022-11-16T17:30:14","guid":{"rendered":"https:\/\/stevepedwards.today\/DebianAdmin\/?p=9606"},"modified":"2022-11-26T18:28:21","modified_gmt":"2022-11-26T18:28:21","slug":"downgrading-php-versions","status":"publish","type":"post","link":"https:\/\/stevepedwards.today\/DebianAdmin\/downgrading-php-versions\/","title":{"rendered":"Downgrading PHP Versions"},"content":{"rendered":"
<\/div>\n

<\/path><\/svg><\/i> \"Loading\"<\/p>\n

<\/div>\n

Downgrade PHP8.1 to PHP8.0 or PHP7.4 on Ubuntu 22.04<\/a> | by Stavros Kounis | Medium<\/p>\n

Ubuntu 22.04 comes with PHP 8.1. This article describes how to change this and install and set as default the version 8.0 or 7.4.<\/p>\n

Install PHP Version
\nInstall the required dependencies.<\/p>\n

sudo apt install software-properties-common ca-certificates lsb-release apt-transport-http<\/span>
\nAdd the required PPA<\/p>\n

LC_ALL=C.UTF-8<\/p>\n

sudo add-apt-repository ppa:ondrej\/php<\/span><\/p>\n

Update the Apt package manager<\/p>\n

sudo apt update<\/span>
\nInstall PHP 8.0 and all the PHP modules.<\/p>\n

sudo apt install php8.0<\/span><\/p>\n

sudo apt install php8.0-mysql php8.0-mbstring php8.0-xml php8.0-curl php8.0-gd<\/span><\/p>\n

Switch PHP versions and enable PHP 8.0
\nSet 8.09 as the default PHP version for CLI and Apache.<\/p>\n

Command Line PHP:
\nsudo update-alternatives --config php<\/span>
\nSelect php8.0 from the list with the available options:<\/p>\n

There are 2 choices for the alternative php (providing \/usr\/bin\/php).
\nSelection Path Priority Status
\n------------------------------------------------------------
\n0 \/usr\/bin\/php8.1 81 auto mode<\/span>
\n* 1 \/usr\/bin\/php8.0 80 manual mode<\/span>
\n2 \/usr\/bin\/php8.1 81 manual mode<\/span>
\nPress <enter> to keep the current choice[*], or type selection number:<\/span>
\nApache PHP
\nDisable PHP 8.1<\/p>\n

sudo a2dismod php8.1<\/span>
\nsudo service apache2 restart <\/span><\/p>\n

Enable PHP 8.0<\/p>\n

sudo a2enmod php8.0 <\/span>
\nsudo service apache2 restart<\/span><\/p>\n

Verify PHP Version
\nphp -v<\/span><\/p>\n

PHP 8.0.18 (cli) (built: May 1 2022 04:42:09) ( NTS )<\/span>
\nCopyright (c) The PHP Group<\/span>
\nZend Engine v4.0.18, Copyright (c) Zend Technologies<\/span>
\nwith Zend OPcache v8.0.18, Copyright (c), by Zend Technologies<\/span>
\nFor verifying the PHP version Apache uses, specify the configururation .ini file.<\/span><\/p>\n

php -c \/etc\/php\/apache2\/php.ini -v<\/span><\/p>\n

Depending which version you chose and if the mysql extension is installed or not;<\/p>\n

If you see:<\/p>\n

\"Your PHP installation appears to be missing the MySQL extension which is required by WordPress.\"<\/strong><\/span><\/p>\n

apt-get install php7.4-mysql<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

<\/div>\n

<\/path><\/svg><\/i> \"Loading\"<\/p>\n

<\/div>\n

Downgrade PHP8.1 to PHP8.0 or PHP7.4 on Ubuntu 22.04 | by Stavros Kounis | Medium Ubuntu 22.04 comes with PHP 8.1. This article describes how to change this and install and set as default the version 8.0 or 7.4. Install PHP Version Install the required dependencies. sudo apt install software-properties-common ca-certificates lsb-release apt-transport-http Add the ...\u00a0 Downgrading PHP Versions<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-9606","post","type-post","status-publish","format-standard","hentry","category-post"],"a3_pvc":{"activated":true,"total_views":24,"today_views":0},"_links":{"self":[{"href":"https:\/\/stevepedwards.today\/DebianAdmin\/wp-json\/wp\/v2\/posts\/9606","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/stevepedwards.today\/DebianAdmin\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stevepedwards.today\/DebianAdmin\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stevepedwards.today\/DebianAdmin\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/stevepedwards.today\/DebianAdmin\/wp-json\/wp\/v2\/comments?post=9606"}],"version-history":[{"count":4,"href":"https:\/\/stevepedwards.today\/DebianAdmin\/wp-json\/wp\/v2\/posts\/9606\/revisions"}],"predecessor-version":[{"id":9806,"href":"https:\/\/stevepedwards.today\/DebianAdmin\/wp-json\/wp\/v2\/posts\/9606\/revisions\/9806"}],"wp:attachment":[{"href":"https:\/\/stevepedwards.today\/DebianAdmin\/wp-json\/wp\/v2\/media?parent=9606"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stevepedwards.today\/DebianAdmin\/wp-json\/wp\/v2\/categories?post=9606"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stevepedwards.today\/DebianAdmin\/wp-json\/wp\/v2\/tags?post=9606"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}