not anymore available on EL8 as well

manifests/extensions/common.pp

 # common php extensions
 class php::extensions::common {
   php::package {
-    ['common', 'tidy', 'gd', 'intl']:
+    ['common', 'gd', 'intl']:
       mode => 'direct';
   }
+  if versioncmp($facts['os']['release']['major'],'8') < 0 {
+    php::package { 'tidy':
+      mode => 'direct';
+    }
+  }
   include php::pear::common
 }

manifests/extensions/mysql.pp

 # manage mysql extension
 class php::extensions::mysql {
-  php::package { 'mysql':
-    mode => 'direct',
+  if versioncmp($facts['os']['release']['major'],'8') < 0 {
+    php::package { 'mysql':
+      mode => 'direct',
+    }
+  } else {
+    php::package { 'mysqlnd':
+      mode => 'direct',
+    }
   }
 }