CodeCleanerGlobalsPass.inc

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<?php
class CodeCleanerGlobalsPass extends \Psy\CodeCleaner\CodeCleanerPass {
    private static $superglobals = [
        'GLOBALS', '_SERVER', '_ENV', '_FILES', '_COOKIE', '_POST', '_GET', '_SESSION'
    ];
 
    public function beforeTraverse( array $nodes ) {
        $names = [];
        foreach ( array_diff( array_keys( $GLOBALS ), self::$superglobals ) as $name ) {
            array_push( $names, new \PhpParser\Node\Expr\Variable( $name ) );
        }
 
        array_unshift( $nodes, new \PhpParser\Node\Stmt\Global_( $names ) );
 
        return $nodes;
    }
}