how to remove php extension from url code example

Example 1: php remove extension from url

//put this piece of code in the root file .htaccess
RewriteEngine on
#remove extension html
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME}\.html -f
RewriteRule ^(.*)$ $1.html [NC,L]

#remove extension php
RewriteCond %{REQUEST_FILENAME} !-d 
RewriteCond %{REQUEST_FILENAME}\.php -f 
RewriteRule ^(.*)$ $1.php

Example 2: remove .php extension

#This code will automatically remove .php extention
#ex: it remmoves www.eample.com/xyz.php to www.example.com/xyz
RewriteEngine on
RewriteBase /
RewriteRule ^(.+)\.php$ /$1 [R,L]
RewriteCond %{REQUEST_FILENAME}.php -f
RewriteRule ^(.*?)/?$ /$1.php [NC,END]

#Copy and paste the above code in .htaccess file