how to install php extension in visual studio code code example

Example 1: intellisense in visual studio code for php-oop

"[php]": {
  "editor.defaultFormatter": "junstyle.php-cs-fixer",
  "editor.formatOnSave": true
},

Example 2: visual code debug php

[XDebug]
xdebug.remote_enable = 1
xdebug.remote_autostart = 1