php server

1) cd ~/public_html
2) php -S localhost:8000

cd path/to/your/app
php -S localhost:8000

Open Terminal
php -S localhost:8000

cd path/to/your/app
php -S 127.0.0.1:8000

$ cd ~/public_html
$ php -S localhost:8000

 <?php 
echo $_SERVER['PHP_SELF'];
echo "<br>";

 echo $_SERVER['SERVER_NAME'];
echo "<br>";
echo $_SERVER['HTTP_HOST'];

 echo "<br>";
echo $_SERVER['HTTP_REFERER'];
echo "<br>";
echo $_SERVER['HTTP_USER_AGENT'];
echo "<br>";
echo $_SERVER['SCRIPT_NAME'];
?>