Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:111024 Return-Path: Delivered-To: mailing list internals@lists.php.net Received: (qmail 26519 invoked from network); 15 Jul 2020 17:12:02 -0000 Received: from unknown (HELO php-smtp4.php.net) (45.112.84.5) by pb1.pair.com with SMTP; 15 Jul 2020 17:12:02 -0000 Received: from php-smtp4.php.net (localhost [127.0.0.1]) by php-smtp4.php.net (Postfix) with ESMTP id 794A2180569 for ; Wed, 15 Jul 2020 09:04:44 -0700 (PDT) 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_H2,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.2 X-Spam-Virus: No X-Envelope-From: Received: from mail-vk1-f170.google.com (mail-vk1-f170.google.com [209.85.221.170]) (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 ; Wed, 15 Jul 2020 09:04:44 -0700 (PDT) Received: by mail-vk1-f170.google.com with SMTP id h1so593655vkn.12 for ; Wed, 15 Jul 2020 09:04:44 -0700 (PDT) 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=FSrQhFi/q1IbxRNW8+8dbSKMYqgSnMpJAK8VsGNuRQE=; b=PTwMGFaJWqT3muoCIazlmNM4s0N8aG0wg/vgTUTr/6yzbtAKJgM9yMwdt8ifeGXSfF RKC+wY2dxJ+JMN/Ayc2uYLqBgqzmpibHCnP+pklSrJyf/cA6szS90Bi1jw+AY5N1VMye DlEihVWFiPrT0sDObF/WZUi/P3J8Ih+G79dzQGVE3vZMfuZl0gPvXwH3HBI1cjTVwl5Q yHmlKqgWN6ALrA/v5QIUI4ISgzBRcqo0qTIc0gQqYi6qWZP4jWebMBT9IYUWErdOETym 729WYHXE0G0NRBVLWyHCstAF0Uf+Elm7rw2dRsSVbrjm+O/sirxX/lWfOLktEj0I47JQ s/XQ== 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=FSrQhFi/q1IbxRNW8+8dbSKMYqgSnMpJAK8VsGNuRQE=; b=AGDBNVyuRCUzZNx14pcLsRPatNxPkURKJuG0blA6keCzdYfboJt7nIhdCQxUc90xBv LMe3Fyk0NByZGwjeTgpWKKnFXGmTcifJm06BO0WiYwEtUA3cEoJ91pnZBYqjUcQiuSlL K4fBdAnjg0cPuQQtROFCLv7SOcUeJEnoeRzu3SUOIKLo+V0ePxImuhLakgKvGB2LCVmM 2aaGInmnkLwrla73NkHPuuSgnmuiJThLMZZ69tMyg2VBDx/LGaUZktySVyOFzZJ9T+wC /TYeaCISW0YjHmpodXtoh5OfF82BESpEj5O9UvcrXUNDdVFXiM3/2SmoqwMdcEHKLNLd rQqA== X-Gm-Message-State: AOAM530SypWcWendTqvC8lMyT+01EXAj6avQUs6GdOrgFKnUFUriRXDV 3YZjv7lk/7Q3YZn+905g3DiIQIc20n6FaJVjkudVTA== X-Google-Smtp-Source: ABdhPJxnla1JHYaMoBuwg5TbAhoYSNNFudwDatb0rPb23O5akA7bAkdIWiQwjggQlE70luAKkhQ1eZ34YmOkjaaPSV0= X-Received: by 2002:a1f:9916:: with SMTP id b22mr8626504vke.2.1594829080061; Wed, 15 Jul 2020 09:04:40 -0700 (PDT) MIME-Version: 1.0 References: <21C5073D-3F39-49DA-8686-E027AE780793@joshbruce.dev> <132a2f9c-331c-48c9-8c15-f0f7c9392341@www.fastmail.com> In-Reply-To: <132a2f9c-331c-48c9-8c15-f0f7c9392341@www.fastmail.com> Date: Wed, 15 Jul 2020 12:04:28 -0400 Message-ID: To: Larry Garfield Cc: php internals Content-Type: multipart/alternative; boundary="000000000000cb6f3a05aa7d1466" Subject: Re: [PHP-DEV] [RFC][Discussion] Objects can be declared falsifiable From: matthewmatthew@gmail.com (Matthew Brown) --000000000000cb6f3a05aa7d1466 Content-Type: text/plain; charset="UTF-8" > > > I don't see how that would happen. What non-pathological case would allow > for $foo && !$foo == true? > > I suppose something a little less pathological would be `$collection && $collection->pop() && !$collection` which is still pretty icky (to me at least). The other implication is that this is now possibly *not* a bug: if (!$foo) { $foo->bar(); } which, again, would ever-so-slightly reduce the effectiveness of static analysis. --000000000000cb6f3a05aa7d1466--