diverse_symbols.php
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	<?php

	// This file has diverse symbol declarations and requirements, and can be used
	// to test changes to phutil_symbols.php.

	/**
	* @phutil-external-symbol function ext_func
	* @phutil-external-symbol class ExtClass
	* @phutil-external-symbol interface ExtInterface
	*/
	ext_func();
	new ExtClass();
	class L implements ExtInterface {}

	function f() {}

	(function () {
	// Anonymous function.
	});

	g();
	$g();
	$$g();

	X::f();
	call_user_func();
	call_user_func('h');
	call_user_func($var);

	class A {}
	class C extends B {}
	class D extends C {}

	new U();
	V::m();
	W::$n;
	P::CONST;

	interface ILocal extends IForeign {}
	class CLocal extends INonlocal {}

	strtoupper('');


	// Various magic things.

	exit($x);
	empty($x);
	isset($x);
	echo $x;
	print($x);
	exit($x);
	include $x;
	include_once $x;
	require $x;
	require_once $x;