<?php namespace Vendor\Model; const CONSTANT1 = 1; const CONSTANT2 = 2; use Something; use SomethingElse; use function interface_exists; declare(ticks=1); declare(ticks=1) { echo $i; } declare(ticks=1) : echo $i; enddeclare; define("MAXSIZE", 100); if (defined('MINSIZE') === false) { define("MINSIZE", 10); } // Class comment. final class Foo { public $myvar = 'foo'; // Function comment. function Bar() { echo 'hi'; } } function MyFunction() { echo 'hi'; } if (!function_exists('YourFunction')) { // Define a function. function YourFunction() { echo 'hi'; } } if (!class_exists('MyClass')) { // Define a class. class MyClass { function SomeFunction() {} } } else if (!interface_exists('MyInterface')) { interface MyInterface {} } elseif (!interface_exists('MyInterface')) { interface MyInterface {} } else { interface MyInterface {} } if (!interface_exists('MyInterface')) { // Define an interface. interface MyInterface {} } if (!interface_exists('MyEnum')) { // Define an enum. enum MyEnum {} } #[\Attribute] namespace { class A {} } defined('APP_BASE_URL') or define('APP_BASE_URL', '/'); ?>