Bug #75533 [Opn->Csd]: array_reduce is slow when $carry is large array

Edit report at https://bugs.php.net/bug.php?id=75533&edit=1 ID: 75533 Updated by: nikic@php.net Reported by: manabu dot matsui at gmail dot com Summary: array_reduce is slow when $carry is large array -Status: Open +Status: Closed Type: Bug Package: Performance problem Operating System: macOS 10.13.1 PHP Version: 7.1.11 Block user comment: N Private report: N New Comment: Automatic comment on behalf of manabu.matsui@gmail.com Revision: http://git.php.net/?p=php-src.git;a=commit;h=ab6c45f5249d077463c1876d7cf09a11f04240fa Log: Fix bug #75533: array_reduce is slow when $carry is large array Previous Comments: ------------------------------------------------------------------------ [2018-09-18 05:40:26] manabu dot matsui at gmail dot com Since PR #2931 conflicted with changes to fix #76778, I updated it. ------------------------------------------------------------------------ [2018-09-17 13:46:31] martin dot ninov at gmail dot com This still exists in php 7.2.9. It's been almost a year, and there's even a PR, can we get a move on with the fix? ------------------------------------------------------------------------ [2017-11-16 04:31:07] manabu dot matsui at gmail dot com Description: ------------ array_reduce is slow when $carry is very large array and return it with some modification. My test script is test_array_reduce.php at https://gist.github.com/crhg/45c1f73ca59c9b0f6274412019b19fca I replaced array_reduce with simple pure php implementation, it runs fast. Script of this case is test_my_reduce.php. ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=75533&edit=1