Bug #79093 [Opn->Dup]: david@grudl.com

From: Date: Fri, 10 Jan 2020 11:03:55 +0000
Subject: Bug #79093 [Opn->Dup]: david@grudl.com
References: 1  Groups: php.bugs 
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Edit report at https://bugs.php.net/bug.php?id=79093&edit=1 ID: 79093 Updated by: nikic@php.net Reported by: david at grudl dot com Summary: david@grudl.com -Status: Open +Status: Duplicate Type: Bug Package: Output Control PHP Version: 7.4.1 Block user comment: N Private report: N New Comment: Duplicate of bug #79022, which is fixed in 7.4.2. Previous Comments: ------------------------------------------------------------------------ [2020-01-10 11:00:43] david at grudl dot com Description: ------------ In PHP 7.4 class_exists($c, true) can return false and class_exists($c, false) can return true in one moment. Test script: --------------- file classes.php: ----- <?php class C1 { function f($arg) { } } class C2 extends C1 { function f() { } } ?> file test.php: ------- <?php set_error_handler(function () { var_dump(class_exists('C2', true)); // returns false var_dump(class_exists('C2', false)); // returns true }); include 'classes.php'; ?> Expected result: ---------------- Both return the same value. Actual result: -------------- var_dump(class_exists('C2', true)); // returns false var_dump(class_exists('C2', false)); // returns true ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=79093&edit=1

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