// Initial state
$_ENV["hello"] = "world"; // echo: "world"

// Capture initial state
$snapshot = (new GlobalSnapshot())->capture();

// Manipulate superglobals
$_ENV["hello"] .= " and mom!"; // echo: "world and mom"

// Restore initial state
$snapshot->restore();

// Initial state restored
echo $_ENV["hello"]; // echo: "world"

use victorwesterlund\GlobalSnapshot;

// Initialize a new GlobalSnapshot instance to store current values (one snapshot per instance)
$snapshot = new GlobalSnapshot();

// Capture current superglobal state
$snapshot->capture();

// ... some other code

// Restore superglobals to state of `capture()`
$snapshot->restore();