Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:106304 Return-Path: Delivered-To: mailing list internals@lists.php.net Received: (qmail 82414 invoked from network); 28 Jul 2019 05:23:21 -0000 Received: from unknown (HELO mail-pf1-f170.google.com) (209.85.210.170) by pb1.pair.com with SMTP; 28 Jul 2019 05:23:21 -0000 Received: by mail-pf1-f170.google.com with SMTP id t16so26263008pfe.11 for ; Sat, 27 Jul 2019 19:47:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:openpgp:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=TaPJzJbJJz600Oi3vPYBIGBlNr/MtRkf92gQMJjUHm4=; b=kVRCH7/koeblZ4sjff60dF5B/oZsB5G4Wx55jF4yJvfJqs75ZEncPYBhW1p+UJBD85 2clgRsudnBtpnZzGZz1Fen+D7j0noZV+f+k1ttZ/FpenHIz3DYFxbcUinNwSSZiERAZp Sk9w9yxOPXino2ZLqlyPSs5U4nRcTwQGLX7BfMXjDbTSl4zxVH2/JELWHZsiB6rBKN43 k0VpRpLIPzjkg++KLNfxEU570+iZonBRQUqXocK5PgMm2k+pwWWLPX5l6iJk1Es8z+1K W/VJOeVGvilS5Dn30TXMlmvtm+Fjg1b8+wekvkwJKQFIiHx0zxITux1+Ptk5af8OiDtK W2LQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:openpgp:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=TaPJzJbJJz600Oi3vPYBIGBlNr/MtRkf92gQMJjUHm4=; b=MxyQvekb569D9BLanCEQ4MfEpHb9EsHFf9Z2mYN99po17cSM4aW3dDS9vPdByPyI6Y MZhJwwtz34sQX0XoeKBa661IwHJbgGPwXtaLwGK0ijGQDBLlGJNm4qFhA2AW4scM1dGI vRle2nem0vgJQDV5TzAuV7S0YZUIHULqsY81/PCdAtYImBD2wHXejJFNLqI7K7LQvAqX k0OrD0UITdTILRhP2l7Y6JLbIHgWpXAWeSxudMuLI9WtE5jS93J4JA89ACndufa0St2O v/0NklTgzHMWhd+aprZPvs7BPvA3t47SDdm2Fk5VLASEjhr3C8mAR38C9KX5BW3Ar7Gm R/QQ== X-Gm-Message-State: APjAAAWHDZK+Hbx2s1yoF0XDLgvJoq2rq2/JuN0bSDTxHRDS//jaR2BK BNi6M1ZjJMXhLnlF6IA4sbxlRchsfw== X-Google-Smtp-Source: APXvYqzRqtzxLuJLHBbVxSy2IHANaxHtiuAQFRM1FyoCySChUGCRumD0z1lSXdWAPCB2I3ze/Me/MA== X-Received: by 2002:a17:90a:bf0e:: with SMTP id c14mr100591152pjs.55.1564282057155; Sat, 27 Jul 2019 19:47:37 -0700 (PDT) Received: from Stas-Pro-2016.local (c-24-4-176-254.hsd1.ca.comcast.net. [24.4.176.254]) by smtp.gmail.com with ESMTPSA id p7sm61163690pfp.131.2019.07.27.19.47.36 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 27 Jul 2019 19:47:36 -0700 (PDT) To: Nikita Popov Cc: PHP internals References: Openpgp: preference=signencrypt Autocrypt: addr=smalyshev@gmail.com; prefer-encrypt=mutual; keydata= mQMuBE9mqaARCACFSqcGmNunkjQQu3X+yXnTmFeEkvM4JXZTOBdR8aEevNGmmFEfyvjaDjWi 9hcwp4E/lYtC+P7VsVjM1OSX9eq0jC/lGL0ZyRXek+mNy0n5H1NSuTpf9Y18LMqhc4G+RU+L cNiZ9K0DJuOOvNLPxW7OHZguxb3wdKPXNVa2jyRfJAKm2uaJJMT1mTmFT9a0Q8SKr+mUrrJk uG0H2o6SzrKt8Wwoint1eh67zVsJaJtQFchnEZnlawIcqP2yC4nLGR3MkubowxoEBYCZet18 aHVVRbvpG2Qtob8Lu5xrsGbmXymTkHTdpvkfcJFADa8MzOL90zOxXwbGfbIZOlh5En8jAQCX lfnx2eQL3BSW/6XANa51dbWiEp1d1BAkpGKtZvlk0Qf+M9WAi+9aXMe3xP5krxtgnRNUf2WN 6Zdy2MxL1RRJCFbytLhl0ronC49BsGYVGshdEH8xhBbiIOJKuVZ/DTl9bEm7P9c7CC7iJyVC khUAhouH6xzZQNLR+RU+QebYzXypVfl99Qk7EdMmr/WAZCHLuvanyqepC5EBsa3VnAfQemSN oBeGBKWWLiOsPjvS72+y1z4RUMAfXHn4l/sFMt8zt7/74AmJPwZquV41p4mPO12V4+xPyc6R sB84sfsk2QVivU8w8AkvGQeYjXoz7Iwao95+fWteVzZ36KRQvUckP8pGjHlDXnHxJ0HI1I/k OBZSjwRwUf0dd73y6erPhbLk+gf+NdI3H9KGJBzG5/rVyWKwUeQ9d5ud4jTJRkQGvAP5pg76 vEa9dogbpe4W5Z+0BfbiJSnQmQWSHiZddj/t33ptbup44Ck6ZTgdlmFYMLF1hR47PIZTDKER EuKYGci/vq8snZvEJP9YCw/TtiHcMdrMKcY/+Lp8lQO0GHLPB9glVhnC0db6l1Xpg1CMI8/R ozBMcij30EgATggC/y2zbiqAFoS9FN9nXPbe4phStqABEyeZ+nXudt7PUYTjVgcrqo8bHZCi sBobWC7OnKyUzxVxzUeuPkIfmZuzkLaMw2McQdvwwsNvQ0DzaLP30c1Xsm/7EIYJcOWpzlVJ 5QrdmE0/BbQyU3RhbmlzbGF2IE1hbHlzaGV2IChQSFAga2V5KSA8c21hbHlzaGV2QGdtYWls LmNvbT6IegQTEQgAIgUCT2aqtAIbAwYLCQgHAwIGFQgCCQoLBBYCAwECHgECF4AACgkQL3lW vF2gS12XMwD9HuRIolSwIK77u8EY461y2u6sbX36n5/uo/LDQuxoi3sA/0MvpnvzOhv9Iufv vsZEj3E7i3h+iD5648YMwfTFCij+uQINBE9mqaAQCADfZPMpjZkkGZj3BY/7ApoLq4mwqzbh +CpLXwNn20tFNvSXfb8RdeXvVEb7Scx+W9qYpiaun2iXJgCVH8fgpZpR856ulT1q6uCG++CX ubEvip/eJkZl93/84h04KQJwsgOrAh0Om3OePRn8Pr+++0LNS0EL8uX/YHeTOGOnnmTqYTey SBVFdov6L4mepddfjekicKQqhL7mZh/xuq29JijT0uNNX8v4vDWQDu5dlAcdd+uB3gcXMD/P ginD11zp+6wtrWCm/+yBqpvDwXQX5PGUnwvbRfl7Ay3MmwmoXiecZMg0dwTSc7e0lhB4HGRH ZdBMJB4rHUVGdzqujK/ctOvrAAMFB/0Utb76Qe6sCMlHxVAmeE/fbo7Pi05btZ/x01r67dHf aMSP0riCKJ7M0OW+jAXtu9+z/BVnYisW67WWfxl2cS5tZDgiHgJARXWUOO72+sScHP8KQmTl 1z16gyKbwY3SmyBkwcpOL35nhUWNLy93syPoY6sZUTikr2bZYukHDQ33XBPs4e6MbWKfsa9q aVmnlOF3k5UqChjutfHaEa4Q7VP4wBIpphHBi9MI16oJIzzBPbGl2uoedjwiZ6QeQZnSuOVY ZxU2d3lRA8PrtfFN1VSlpEm/VcAvtieHUYWHN0wOu+cp3Slr5XJVNjTjJhl28SlinMME54mK AGf2Ldr/dRwXiGEEGBEIAAkFAk9mqaACGwwACgkQL3lWvF2gS126EQD/VVd3FgjLKglClRQP zdfU847tqDK4zJjbmRv5vLLwoE0A+wbrQs7jVGU3NrS0AIl5vUmewpp2BKzSkepy23nWmejw Message-ID: <9aba78c9-f04d-45b8-6c34-ad1c2472ef76@gmail.com> Date: Sat, 27 Jul 2019 19:47:35 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [PHP-DEV] Re: [RFC] Explicit call-site send-by-ref syntax From: smalyshev@gmail.com (Stanislav Malyshev) Hi! > I think nowadays it is well known that by-reference passing is to be > avoided and I don't see it particularly commonly in user code. By-reference I don't think it's true. It depends on the style of coding, of course, but there are many situations where the most convenient solution is by-ref passing, mostly when single function can change more than one thing. Of course there are ways around it, but they are less convenient and less intuitive. Additionally, if you want a function to do some mutation with arrays, there's only two ways of doing it - either returning the resulting array (which can double the data) or pass by-ref. Again, there are ways around it, but again they are less convenient. And, if your own argument recognizes internal functions have legitimate reasons to use references, the same comes for user functions too - they could implement similar functionality. -- Stas Malyshev smalyshev@gmail.com