Sync README with package.xml

Author: cjbj

ext/oci8/README.md

@@ -4,20 +4,22 @@ Use the OCI8 extension to access Oracle Database.
 
 Documentation is at https://www.php.net/oci8
 
-Use `pecl install oci8` to install for PHP 7.
+Use `pecl install oci8` to install for PHP 8.
+
+Use `pecl install oci8-2.2.0` to install for PHP 7.
 
 Use `pecl install oci8-2.0.12` to install for PHP 5.2 - PHP 5.6.
 
 Use `pecl install oci8-1.4.10` to install for PHP 4.3.9 - PHP 5.1.
 
-The OCI8 extension needs to be linked with Oracle 18, 12, 11, or 10.2 client
-libraries. These libraries are found in your database installation, or in the
-free Oracle Instant Client from
-https://www.oracle.com/technetwork/database/database-technologies/instant-client/overview/index.html
+The OCI8 extension can be linked with Oracle client libraries from Oracle
+Database 10.2 or later.  These libraries are found in your database
+installation, or in the free Oracle Instant Client from
+https://www.oracle.com/database/technologies/instant-client.html
 Install the 'Basic' or 'Basic Light' Instant Client package. If building from
 source, then also install the SDK package.
 
-Oracle's standard cross-version interoperability applies. For example, PHP OCI8
-linked with Instant Client 11.2 can connect to Oracle Database 9.2 onward. See
+Oracle's standard cross-version connectivity applies.  For example, PHP OCI8
+linked with Instant Client 19c can connect to Oracle Database 11.2 onward.  See
 Oracle's note "Oracle Client / Server Interoperability Support" (ID 207303.1)
 for details.