Newsgroups: php.internals Path: news.php.net Xref: news.php.net php.internals:116031 Return-Path: Delivered-To: mailing list internals@lists.php.net Received: (qmail 99474 invoked from network); 11 Sep 2021 22:49:49 -0000 Received: from unknown (HELO php-smtp4.php.net) (45.112.84.5) by pb1.pair.com with SMTP; 11 Sep 2021 22:49:49 -0000 Received: from php-smtp4.php.net (localhost [127.0.0.1]) by php-smtp4.php.net (Postfix) with ESMTP id A3D111804AA for ; Sat, 11 Sep 2021 16:28:21 -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=-0.2 required=5.0 tests=BAYES_40,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-ASN: AS15169 209.85.128.0/17 X-Spam-Virus: No X-Envelope-From: Received: from mail-yb1-f182.google.com (mail-yb1-f182.google.com [209.85.219.182]) (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 ; Sat, 11 Sep 2021 16:28:18 -0700 (PDT) Received: by mail-yb1-f182.google.com with SMTP id y16so12110898ybm.3 for ; Sat, 11 Sep 2021 16:28:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:from:date:message-id:subject:to; bh=5koim9Q8xGaVF/1yJRQudzXbecJoeGmJc/q7UaJiKDU=; b=Zs1xSAPJc3AjedhopeBgPNnTZxNc21zKh4cackEvChUckfpBWcaM5twVwg3vCs1z5Q yFgGBKZuIKAUvAAACgE1LuX84lF15b4a/epRTQwBBR9h5tDx6untEoBgHYow/fE3J95W nsNIw3XOIki9eSph8Le7Q7S5TM9xikI57lbErA0N4y/OkcrrxpfMAT9aS6WSQ4NALbWX 59SgD+qNp/ynz3kPUWcNtGX6su/Rlx86BZCM4uiCilVDTPn2j7+Xr7DMc8XjxZz07PXH dI/JNWWo8jWVFPaol6160GNafN/DufHqYX4zGWOygUuyqDZ7ghfAR4qSz/G5NXR5DFDr j0Jw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=5koim9Q8xGaVF/1yJRQudzXbecJoeGmJc/q7UaJiKDU=; b=xC1o1LNKkExucb6UtGKZbSqUpmULVsm57GBGCpQvsIS+lp/YzlE8GA2xaiC2TE1qgr Jqpfacdfs2agppePmCMCXOyg2D+poLmqihDSjqGSlt5BmNpFi1ncyxAiU6AaSf5snA7U LO22Cbo7+xZ4EyAxY7kmNL8YQOlM1mmPQSsI0qG8114QXk+seGP3YlLMeqVkKy2RbjoL 4usYKI1AhA8pw4xLUUk22F+932Nm/Cl8hJ/S0dwpfp9bYO0Uv7kX/Y+wC0Z+oRtvHACZ hWJr6OTR2sV6GY+T9y1Lg2TUxA2/ka6qMmrEa0qjRvd0uxO/w76Rk4mLKJYjpL8fBGUU MQQw== X-Gm-Message-State: AOAM531EoE8qTUpY5r3w7dYmvIbSJDdeNTZU4EMQMc2lFsmicSXt4kSg 6Q5jRZ0+21QMZu9Nc0dVvlKhuo14i3ZED6GNG4EQGehtl3E= X-Google-Smtp-Source: ABdhPJyTugHft8LV1lbRL0sK6+TUWZvwrd/rm67FJHC8pxwuZgmzdLgfILK00bp4q+yQNhZBB91XORsu1w4L54n0gsU= X-Received: by 2002:a25:230e:: with SMTP id j14mr6460612ybj.516.1631402893472; Sat, 11 Sep 2021 16:28:13 -0700 (PDT) MIME-Version: 1.0 Date: Sat, 11 Sep 2021 20:28:02 -0300 Message-ID: To: PHP Internals Content-Type: multipart/alternative; boundary="000000000000f378e505cbc09581" Subject: Class static initialization block From: david.proweb@gmail.com (David Rodrigues) --000000000000f378e505cbc09581 Content-Type: text/plain; charset="UTF-8" Hello! I would like to suggest a feature I saw being implemented in the V8 9.4 engine called "*class static initialization block*". https://v8.dev/blog/v8-release-94 In short, it is a method that is executed once when a class is imported and loaded, allowing for some more advanced initialization process to be done. class Test { static readonly Carbon $now; static () { self::$now = now(); } } Currently I can only do this in a very hacky way, usually by creating a public static method and calling it after class initialization. class Test { static Carbon $now; public static function init(): void { self::$now = now(); } } Test::init(); I think the way the V8 does is much more interesting. Another alternative would be to create a magic method like __initialize(). --000000000000f378e505cbc09581--