Global Variable Scopes

globals-variable-scopes.php

<?php
header('Content-Type: text/plain');

# Normal server environment
ini_set('display_errors', 'Off');
error_reporting(0);

$test = 'TEST VALUE';

function test()
{
	# Expect error here
	echo "\$test: ", $test, "\r\n";
	
	# Ok
	echo "\$GLOBALS['test']: ", $GLOBALS['test'], "\r\n";

	# Ok
	global $test;
	echo "\$test after `global \$test`: ", $test, "\r\n";
}

test();

/**
$test: 
$GLOBALS['test']: TEST VALUE
$test after `global $test`: TEST VALUE
*/