Bug #80452 [Asn->Nab]: Null Coalesce Operator Swallow warning error

Edit report at https://bugs.php.net/bug.php?id=80452&edit=1 ID: 80452 Updated by: cmb@php.net Reported by: cxlblm at gmail dot com Summary: Null Coalesce Operator Swallow warning error -Status: Assigned +Status: Not a bug Type: Bug Package: *General Issues Operating System: docker/ubuntu PHP Version: 8.0.0 Assigned To: cmb Block user comment: N Private report: N New Comment: Yes, that is the whole purpose of the null coalesce operator: <https://www.php.net/manual/en/language.operators.comparison.php#language.operators.comparison.coalesce>. Previous Comments: ------------------------------------------------------------------------ [2020-12-01 11:30:51] cxlblm at gmail dot com Thank you for your prompt response! https://3v4l.org/lsuFc If there is no ?? in the sixth line of the code, a warning will be raised, but Null Coalesce Operator is completely safe and will not raise an E_NOTICE! ------------------------------------------------------------------------ [2020-12-01 11:21:01] cmb@php.net From looking at <https://3v4l.org/4JIAY>, this doesn't appear to be a bug. The warning is raised in line 5, where the null coalesce operator is not used. ------------------------------------------------------------------------ [2020-12-01 11:14:54] cxlblm at gmail dot com Description: ------------ RFC Null Coalesce Operator: This means the $_GET['mykey'] ?? "" is completely safe and will not raise an E_NOTICE! Test script: --------------- $a = false; var_dump($a['abc'] ?? ''); Expected result: ---------------- Warning: Trying to access array offset on value of type bool in /in/4JIAY NULL ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=80452&edit=1