example.com/home.php <– file available and Working without .php extension

example.com/home <– Working

example.com/home1.php <– File not exist showing 404 error mentioned in htaccess
example.com/home1 <– The file does not exist, and it shows “File not found” . htaccess rule not working here

.htaccess file

RewriteEngine On 
DirectoryIndex home.php 
Options -Indexes 
Options -MultiViews
Options +FollowSymLinks


RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
# RewriteRule ^([^.]+)$ $1.html [PT,L]
RewriteRule ^([^.]+)$ $1.php [PT,L]

ErrorDocument 404 http://example.com/404.php
ErrorDocument 403 http://example.com/403.php