archived-php-langspec/tests/variables/variable_kinds.phpt

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

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

error_reporting(-1);

echo "---------------- Local constants -------------------\n";

function localConst($p)
{
	echo "Inside " . __FUNCTION__ . "\n";
	define('COEFFICIENT_1', 2.345);	// define two d-constants
	echo "COEFFICIENT_1 = " . COEFFICIENT_1 . "\n";
	if ($p)
	{
		echo "COEFFICIENT_1 = " . COEFFICIENT_1 . "\n";
		define('FAILURE', TRUE);
		echo "FAILURE = " . FAILURE . "\n";
	}
}

localConst(TRUE);
echo "COEFFICIENT_1 = " . COEFFICIENT_1 . "\n";
echo "FAILURE = " . FAILURE . "\n";	// as it's visible here, it's not really a local!

echo "---------------- Local variables -------------------\n";

function doit($p1)	// assigned the value TRUE when called
{
	$count = 10;
//	…
	if ($p1)
	{
		$message = "Can't open master file.";
//		…
	}
//	…
}
doit(TRUE);

echo "---------------- Array elements -------------------\n";

echo "---------------- Function statics -------------------\n";

function f()
{
	$lv = 1;
	static $fs = 1;
	static $fs2;
	var_dump($fs2);		// show default value is NULL

	echo "\$lv = $lv, \$fs = $fs\n";
	++$lv;
	++$fs;
	if (TRUE)
	{
		static $fs3 = 99;
		echo "\$fs3 = $fs3\n";
		++$fs3;
	}
}

for ($i = 1; $i <= 3; ++$i)
	f();

echo "---------------- recursive function example -------------------\n";

function factorial($i)
{
	if ($i > 1) return $i * factorial($i - 1);
	else if ($i == 1) return $i;
	else return 0;
}

$result = factorial(10);
echo "\$result = $result\n";

echo "---------------- Global Constants -------------------\n";

const MAX_HEIGHT2 = 10.5; 		// define two c-constants
const UPPER_LIMIT2 = MAX_HEIGHT2;
define('COEFFICIENT_2', 2.345);	// define two d-constants
define('FAILURE2', TRUE);
echo "MAX_HEIGHT2 = " . MAX_HEIGHT2 . "\n";

function globalConst()
{
	echo "Inside " . __FUNCTION__ . "\n";
	echo "MAX_HEIGHT2 = " . MAX_HEIGHT2 . "\n";
	echo "COEFFICIENT_2 = " . COEFFICIENT_2 . "\n";
}

globalConst();

echo "---------------- Global Variables using names directly -------------------\n";

$colors = array("red", "white", "blue");

$min = 10;
$max = 100;
$average = NULL;

global $min, $max;		// allowed, but serve no purpose

function compute($p)
{
	global $min, $max;
	global $average;
	$average = ($max + $min)/2;

	if ($p)
	{
		global $result;
		$result = 3.456;		// initializes a global, creating it if necessary
	}
}

compute(TRUE);
echo "\$average = $average\n";
echo "\$result = $result\n";

//var_dump($GLOBALS);

echo "---------------- Global Variables using \$GLOBALS -------------------\n";

$GLOBALS['done'] = FALSE;
var_dump($done);

$GLOBALS['min'] = 10;
$GLOBALS['max'] = 100;
$GLOBALS['average'] = NULL;

global $min, $max;		// allowed, but serve no purpose

function compute2($p)
{
	$GLOBALS['average'] = ($GLOBALS['max'] + $GLOBALS['min'])/2;

	if ($p)
	{
		$GLOBALS['result'] = 3.456;		// initializes a global, creating it if necessary
	}
}

compute2(TRUE);
echo "\$average = $average\n";
echo "\$result = $result\n";

//var_dump($GLOBALS);

echo "---------------- instance/static properties & constants -------------------\n";

class Point
{
	const MAX_COUNT = 1000;

	private static $pointCount = 0;

	public $x;
	public $y;
}
--EXPECT--
---------------- Local constants -------------------
Inside localConst
COEFFICIENT_1 = 2.345
COEFFICIENT_1 = 2.345
FAILURE = 1
COEFFICIENT_1 = 2.345
FAILURE = 1
---------------- Local variables -------------------
---------------- Array elements -------------------
---------------- Function statics -------------------
NULL
$lv = 1, $fs = 1
$fs3 = 99
NULL
$lv = 1, $fs = 2
$fs3 = 100
NULL
$lv = 1, $fs = 3
$fs3 = 101
---------------- recursive function example -------------------
$result = 3628800
---------------- Global Constants -------------------
MAX_HEIGHT2 = 10.5
Inside globalConst
MAX_HEIGHT2 = 10.5
COEFFICIENT_2 = 2.345
---------------- Global Variables using names directly -------------------
$average = 55
$result = 3.456
---------------- Global Variables using $GLOBALS -------------------
bool(false)
$average = 55
$result = 3.456
---------------- instance/static properties & constants -------------------