Bug #77492 [Opn->Dup]: function return empty

Edit report at https://bugs.php.net/bug.php?id=77492&edit=1 ID: 77492 Updated by: nikic@php.net Reported by: poiuty at lepus dot su Summary: function return empty -Status: Open +Status: Duplicate Type: Bug Package: opcache Operating System: debian 9 PHP Version: 7.3.1 Block user comment: N Private report: N New Comment: This is the issue mentioned in the comments of bug #77310 and will be fixed in PHP 7.3.2. Previous Comments: ------------------------------------------------------------------------ [2019-01-20 16:41:48] poiuty at lepus dot su Description: ------------ [opcache] opcache.enable=1 opcache.enable_cli=1 opcache.interned_strings_buffer=8 opcache.max_accelerated_files=4000 # php -v PHP 7.3.1-1+0~20190113101756.25+stretch~1.gbp15aaa9 (cli) (built: Jan 13 2019 10:17:57) ( NTS ) Copyright (c) 1997-2018 The PHP Group Zend Engine v3.3.1, Copyright (c) 1998-2018 Zend Technologies with Zend OPcache v7.3.1-1+0~20190113101756.25+stretch~1.gbp15aaa9, Copyright (c) 1999-2018, by Zend Technologies Test script: --------------- function testB(){ $x = ['a' => '', 'b' => '']; $num = range(0, 9); foreach($num as $k){ $x['a'] .= $k; } return $x; } function testA(){ $x = ['a' => '', 'b' => '']; $num = range(0, 9); foreach($num as $k){ $x['a'] .= $k; } return $x['a']; } // if opcache.enable=1 => string(0) "" // if opcache.enable=0 => string(10) "0123456789" // if call first testB() => string(10) "0123456789" //var_dump(testB()); var_dump(testA()); full script: https://gist.github.com/poiuty/9759972fcc6bee42bbb250c03ef43e77 ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=77492&edit=1