How to deal with the pseudo-static of .htaccess in linux+apache+php environment

php source program dynamic link:
http://127.0.0.1/abc/about.ph.
http://127.0.0.1/abc/about.ph.
http://127.0.0.1/abc/about.ph.

want pseudo-static links
http://127.0.0.1/abc/about1.html
http://127.0.0.1/abc/about2.html
http://127.0.0.1/abc/about3.html

Note: how to deal with the pseudo-static of .htaccess in linux+apache environment? Please give me some advice.

Php
Mar.14,2021

RewriteEngine On
RewriteRule ^ / abc/ (about) [0-9] + .html $/ abc/$1.php [L]
if you need to be more general, you can replace (abc) and (about) with regular matching

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1bec322-31ac5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1bec322-31ac5.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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