(PCC)::[How-to-Test-global-scope-(variable-outside-function)-in-php]::[php]
<!DOCTYPE html>
<html>
<body>
<?php
$x = 5; // global scope
function myTest() {
// using x inside this function will generate an error
echo "<p>Variable x inside function is: $x</p>";
}
myTest();
echo "<p>Variable x outside function is: $x</p>";
?>
</body>
</html>
Variable x outside function is: $x
"; ?>