fix: Don't leak global functions in php scoper

fixes #1410

Signed-off-by: Marcel Klehr <[email protected]>

Author: marcelklehr

scoper.inc.php

@@ -35,4 +35,5 @@ static function (string $filePath, string $prefix, string $content): string {
 			return $content;
 		},
 	],
+	'expose-global-functions' => false,
 ];