--TEST--
PHP Spec test generated from ./variables/unsetting_variables.php
--FILE--
<?php

/*
   +-------------------------------------------------------------+
   | Copyright (c) 2014 Facebook, Inc. (http://www.facebook.com) |
   +-------------------------------------------------------------+
*/

error_reporting(-1);

echo "--- At top-level\n";

///*
const CON1 = 1;
//unset(CON1);				// invalid
//var_dump(isset(CON1));	// invalid
var_dump(defined('CON1'));	// TRUE

define('CON2', 2);
//unset(CON2);				// invalid
//var_dump(isset(CON2));	// invalid
var_dump(defined('CON2'));	// TRUE

echo "Top1: CON1 = " . CON1 . "\n";
echo "Top1: CON2 = " . CON2 . "\n";

echo "---\n";
//*/

static $sVar1 = 11;
echo "Top1: \$sVar1 = " . $sVar1 . "\n";
//unset($sVar1);	// unsets this variable
//echo "Top1: \$sVar1 = " . $sVar1 . "\n";

$tmp =& $sVar1;
echo "Top1: \$tmp = " . $tmp . "\n";

$gVar1 = 21;
echo "Top1: \$gVar1 = " . $gVar1 . "\n";
//unset($gVar1);	// unsets this variable
//echo "Top1: \$gVar1 = " . $gVar1 . "\n";

function f($p)
{
	echo "--- Inside " . __FUNCTION__ . ", block-level 1\n";
///*
	define('CON3', 3);
	echo "f:1 CON1 = " . CON1 . "\n";
	echo "f:1 CON2 = " . CON2 . "\n";
	echo "f:1 CON3 = " . CON3 . "\n";
//*/
	if ($p)
	{
		echo "--- Inside " . __FUNCTION__ . ", block-level 2\n";
///*
		define('CON4', 4);
		echo "f:2 CON1 = " . CON1 . "\n";
		echo "f:2 CON2 = " . CON2 . "\n";
		echo "f:2 CON3 = " . CON3 . "\n";
		echo "f:2 CON4 = " . CON4 . "\n";
//*/
		global $sVar1;
		$sVar1 = -1;		// hmm; is setting the top-level static
		echo "f:2 \$sVar1 = " . $sVar1 . "\n";
		static $sVar1 = 12;
		echo "f:2 \$sVar1 = " . $sVar1 . "\n";
		++$sVar1;
//		unset($sVar1);	// removes this alias; doesn't unset the inner static itself
		
		global $gVar1;
		echo "f:2 \$gVar1 = " . $gVar1 . "\n";
		$gVar1 = 25;
		echo "f:2 \$gVar1 = " . $gVar1 . "\n";
	}
	echo "--- Back at f:1\n";
///*
	echo "f:1 CON4 = " . CON4 . "\n";
//*/
	echo "f:1 \$sVar1 = " . $sVar1 . "\n";	// is getting f:2's static, so that didn't
											// go out of scope at the closing }
	echo "f:1 \$gVar1 = " . $gVar1 . "\n";	// still seeing $gVar1 even though global decl
											// is presumed to have gone out of scope, and there is
											// global import at block level 1
}

f(TRUE);
echo "--- Back at top-level\n";
f(TRUE);
echo "--- Back at top-level\n";

///*
echo "Top2: CON1 = " . CON1 . "\n";
echo "Top2: CON2 = " . CON2 . "\n";
echo "Top2: CON3 = " . CON3 . "\n";
echo "Top2: CON4 = " . CON4 . "\n";

echo "---\n";
//*/
echo "Top2: \$sVar1 = " . $sVar1 . "\n";
echo "Top2: \$tmp = " . $tmp . "\n";

echo "Top2: \$gVar1 = " . $gVar1 . "\n";

echo "-----------------------------------------\n";

function f2($p)
{
	static $s2 = 100;

	if ($p)
	{
//		global $s2;	// with this in, var_dump($s2) is NULL, becuse there is no such global
		var_dump($s2);
		var_dump(isset($s2));
	}
}

f2(TRUE);
--EXPECTF--
--- At top-level
bool(true)
bool(true)
Top1: CON1 = 1
Top1: CON2 = 2
---
Top1: $sVar1 = 11
Top1: $tmp = 11
Top1: $gVar1 = 21
--- Inside f, block-level 1
f:1 CON1 = 1
f:1 CON2 = 2
f:1 CON3 = 3
--- Inside f, block-level 2
f:2 CON1 = 1
f:2 CON2 = 2
f:2 CON3 = 3
f:2 CON4 = 4
f:2 $sVar1 = -1
f:2 $sVar1 = 12
f:2 $gVar1 = 21
f:2 $gVar1 = 25
--- Back at f:1
f:1 CON4 = 4
f:1 $sVar1 = 13
f:1 $gVar1 = 25
--- Back at top-level
--- Inside f, block-level 1

Notice: Constant CON3 already defined in %s/variables/unsetting_variables.php on line 47
f:1 CON1 = 1
f:1 CON2 = 2
f:1 CON3 = 3
--- Inside f, block-level 2

Notice: Constant CON4 already defined in %s/variables/unsetting_variables.php on line 56
f:2 CON1 = 1
f:2 CON2 = 2
f:2 CON3 = 3
f:2 CON4 = 4
f:2 $sVar1 = -1
f:2 $sVar1 = 13
f:2 $gVar1 = 25
f:2 $gVar1 = 25
--- Back at f:1
f:1 CON4 = 4
f:1 $sVar1 = 14
f:1 $gVar1 = 25
--- Back at top-level
Top2: CON1 = 1
Top2: CON2 = 2
Top2: CON3 = 3
Top2: CON4 = 4
---
Top2: $sVar1 = -1
Top2: $tmp = -1
Top2: $gVar1 = 25
-----------------------------------------
int(100)
bool(true)