Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:112407 Return-Path: Delivered-To: mailing list internals@lists.php.net Received: (qmail 41322 invoked from network); 4 Dec 2020 11:36:27 -0000 Received: from unknown (HELO php-smtp4.php.net) (45.112.84.5) by pb1.pair.com with SMTP; 4 Dec 2020 11:36:27 -0000 Received: from php-smtp4.php.net (localhost [127.0.0.1]) by php-smtp4.php.net (Postfix) with ESMTP id B337A180531 for ; Fri, 4 Dec 2020 03:04:37 -0800 (PST) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on php-smtp4.php.net X-Spam-Level: X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,HTML_MESSAGE, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.2 X-Spam-Virus: No X-Envelope-From: Received: from mail-ej1-f49.google.com (mail-ej1-f49.google.com [209.85.218.49]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by php-smtp4.php.net (Postfix) with ESMTPS for ; Fri, 4 Dec 2020 03:04:34 -0800 (PST) Received: by mail-ej1-f49.google.com with SMTP id a16so8100597ejj.5 for ; Fri, 04 Dec 2020 03:04:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=UIcE01LtPbgf++vVy5kiSCC7u9q8U1uMH03Vwjw/qOc=; b=hWHcU5T68NX7yVQoXxa9jjTGrHXRtsGyC2JbrZfC+anAr3qyyRUnH2jNKD5VmUGc7H B4zIezxqDeHQMBhTb0Qtf4GTFpl/vIE+LiIPr/Azs1fzNzDPSuudAYV68rbIMeICvWey b+Etuw1YbVeYC8BVNfli7H731Yi2yd0pu0K+ZmjB4bQzf5lYpTJ+FcWa0PPMZDd28OFi 87NW8hbj0A3NH5H/CmvVw3AKKCHYyuNSSyuNmTIlS5B2b/lIfdLsVCy81tz9NBKkBmYO Y8I/Ds7eGdwbk6t8bBEXHkpsx/A9H+r3fBDjour9c9pN1xG/ALdUXH/xBG64OLxhvIk7 3N5Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=UIcE01LtPbgf++vVy5kiSCC7u9q8U1uMH03Vwjw/qOc=; b=YGLWQNVQKkKrAaHY1oyKaMn0oqhD1Pm03hd7GPiyJqNzdGsHy9MP2DgGmAozAKERtH q4bUPWACRaK2getp3lYbNxYdC5NqaJbFpoB/ty3X7APaROfsvD2zqJLNvmcmXMxqBYFQ CrmmXkjL4R1Ig/hTqfQ+YpjXh0UaedUW5dOCwv2AzOoeTPN3g7Lz6XUe3oPnukVdqzvc 45gM5zSFFHuh3USZ83dOwCVS/Z561sIRJrQKCalhdErwX+473hp00BR0ssIXN6ZqAYIF Du06KbkB5btquEY2NJpa1hkRu1th/c6uwEiM5djRTd02wMkOKfg1dT4M4lYoW3PkdMrp r7HQ== X-Gm-Message-State: AOAM53301qnepsNVXNINHZXdYnBWMMCf0US8rtjn0Y/92xqTERwMA/mR xqmENtLZTP0Pl5U4GiYUemupTaVxfkg8VjFA1Uc= X-Google-Smtp-Source: ABdhPJygBK+1REbFKMKrkajmF+Lr3psYsKkzDNV3g4VRE/Rd6yIi05JJ8Yn7URvflKo33avcEejYcynhpFKED8aQ9X4= X-Received: by 2002:a17:906:d101:: with SMTP id b1mr6650653ejz.80.1607079870771; Fri, 04 Dec 2020 03:04:30 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: Date: Fri, 4 Dec 2020 12:04:19 +0100 Message-ID: To: Nikita Popov Cc: PHP internals Content-Type: multipart/alternative; boundary="000000000000d2b63105b5a170d9" Subject: Re: [PHP-DEV] [RFC] Restrict $GLOBALS usage From: nicolas.grekas+php@gmail.com (Nicolas Grekas) --000000000000d2b63105b5a170d9 Content-Type: text/plain; charset="UTF-8" Hello Nikita, > I would like to propose the following RFC, which restricts certain rare > usages of $GLOBALS. This change will improve performance, reduce internal > implementation complexity, and fix a very large class of bugs relating to > $GLOBALS handling in internal functions. > > https://wiki.php.net/rfc/restrict_globals_usage Yes please! This will allow removing some black magic from Symfony's VarDumper component, which detects these "copies" of $GLOBALS: https://github.com/symfony/symfony/blob/31ee43a8c67897a2f61782060965f5c8a81f58a2/src/Symfony/Component/VarDumper/Cloner/VarCloner.php#L144-L155 Nicolas --000000000000d2b63105b5a170d9--