Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:111752 Return-Path: Delivered-To: mailing list internals@lists.php.net Received: (qmail 36136 invoked from network); 31 Aug 2020 22:26:51 -0000 Received: from unknown (HELO php-smtp4.php.net) (45.112.84.5) by pb1.pair.com with SMTP; 31 Aug 2020 22:26:51 -0000 Received: from php-smtp4.php.net (localhost [127.0.0.1]) by php-smtp4.php.net (Postfix) with ESMTP id 0CC59180502 for ; Mon, 31 Aug 2020 14:31:20 -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-lf1-f44.google.com (mail-lf1-f44.google.com [209.85.167.44]) (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 ; Mon, 31 Aug 2020 14:31:16 -0700 (PDT) Received: by mail-lf1-f44.google.com with SMTP id d2so4349653lfj.1 for ; Mon, 31 Aug 2020 14:31:16 -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=HVbTz18lKaUb9RsE79+IHf8CQWDOYueLL5Ueo92U3+c=; b=h3xG9YaRKoWxKjjfghsnZPZuxR9pVzu3kRH/juE5bQF/8sF3RmNAvm4443eZBRfG5W pis/6lGOjOdoPsCebsTq9OefU2P9BfumIxNYc2GkAzDxC2l7iWeZqzf8Zec+4GiXa4Ho EyGGGrOFupDJV8KnnWp9QjzyG/yMtkR0tXqLUEhmUzJuDBQgrKW85ngbhTHY+9+kBbP4 NW5R5AoadUjBg+QGkLk7VCGcd4ZjZcnkdsoVXZdVna4KMgSzJnjgCT+tzHwHBFvBrJ8o ZIbZXVVAirmoGoLUpZFax2cdwCA2r76NFxw5u+xFewMpbohYg9iqtRMMP7wNuSUDBHWB TyeA== 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=HVbTz18lKaUb9RsE79+IHf8CQWDOYueLL5Ueo92U3+c=; b=XxfXsS8ke400yEK2axoQddcPGrd/Sk0WCGLWMXxE1gtlNoJY6TnIKtKkkfM3gPS+n0 NhXK10wYQODI0e7ghlpiDdNpz6D8KfTSs5bZiPi/H/GsKb+IXQ2fbHM/n8fnDqKwNeOV HYPYknjIh2wfFf2mpMh6+Zpj1SCHVmBCancX8nndYXwiBLsUAv0jM9re60G9gG1exide yLWf6AQ44dxH02rkr6swevzipnFHRG5P3xrZGBFGwenpcdxfzdGQwNaqdnwC4bG6AgNF gPInfoxUhESSGoNBFCyrwEdTEGkFJO1svXIb+s3zZTYiMQi4qTOq5hve7bIHVv0RpTKG N6NQ== X-Gm-Message-State: AOAM532bR38yTeHv7XRNw0pURXaVnKLoazQMCal1RLN/SijWbInEEX/c pBiZJRfrjjCEKDZq/DCwnjSRJvspz+w7TUKm2tE= X-Google-Smtp-Source: ABdhPJwxAmR38pqrFGr8cTl6iMgfFzGj9s5pe8jmLf8Wvpns9aTD+XVT/8RiidybEL9PyMCS8ds3oSgKq1uY5JqXLYU= X-Received: by 2002:a19:c608:: with SMTP id w8mr1527875lff.88.1598909473372; Mon, 31 Aug 2020 14:31:13 -0700 (PDT) MIME-Version: 1.0 References: <5330022558dfa7cbd154e3c765c509478fcb84084de8987274e24aa1ff017b85@mahalux.com> In-Reply-To: <5330022558dfa7cbd154e3c765c509478fcb84084de8987274e24aa1ff017b85@mahalux.com> Date: Tue, 1 Sep 2020 00:31:01 +0300 Message-ID: To: =?UTF-8?B?TWljaGFlbCBWb8WZw63FoWVrIC0gxIxWVVQgRkVM?= Cc: =?UTF-8?Q?Riikka_Kalliom=C3=A4ki?= , PHP internals Content-Type: multipart/alternative; boundary="000000000000303f2005ae331f2b" Subject: Re: [PHP-DEV] Request for couple memory optimized array improvements From: maxsem.wiki@gmail.com (Max Semenik) --000000000000303f2005ae331f2b Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Mon, Aug 31, 2020 at 11:53 PM Michael Vo=C5=99=C3=AD=C5=A1ek - =C4=8CVUT= FEL < vorismi3@fel.cvut.cz> wrote: > Optimizing foreach (array_keys($arr) as $k) is very important, not only > because of memory, but because of speed when not all elements needs to > be iterated, like: > > foreach (array_keys($arr) as $k) { > > if ($k some condition) { > > break; > > } > > } > Can an iterator be the answer? E.g. foreach (new ArrayKeysIterator($arr) as $k) { ... } --=20 Best regards, Max Semenik --000000000000303f2005ae331f2b--