Bug #80089 [Opn->Nab]: Use of undefined constant is suddenly fatal

Edit report at https://bugs.php.net/bug.php?id=80089&edit=1 ID: 80089 Updated by: requinix@php.net Reported by: s dot wisselink at iwink dot nl Summary: Use of undefined constant is suddenly fatal -Status: Open +Status: Not a bug Type: Bug Package: *General Issues Operating System: Debian PHP Version: 8.0.0beta3 Block user comment: N Private report: N New Comment: Correct. https://github.com/php/php-src/blob/php-8.0.0beta3/UPGRADING#L35 Previous Comments: ------------------------------------------------------------------------ [2020-09-10 22:27:48] s dot wisselink at iwink dot nl Description: ------------ In php8.0.0beta3, referencing an undefined constant throught the constant function is fatal, whereas in php7.x it is not. Test script: --------------- ``` $ php -v PHP 7.4.3 (cli) (built: May 26 2020 12:24:22) ( NTS ) Copyright (c) The PHP Group Zend Engine v3.4.0, Copyright (c) Zend Technologies with Zend OPcache v7.4.3, Copyright (c), by Zend Technologies $ php -r "echo @constant('MYCONSTANT2');" (no output) ``` whereas in php8 ``` $ php -v PHP 8.0.0beta3 (cli) (built: Sep 4 2020 20:24:23) ( NTS ) Copyright (c) The PHP Group Zend Engine v4.0.0-dev, Copyright (c) Zend Technologies $ php -r "echo @constant('MYCONSTANT2');" Fatal error: Uncaught Error: Undefined constant "MYCONSTANT2" in Command line code:1 Stack trace: #0 Command line code(1): constant('MYCONSTANT2') #1 {main} thrown in Command line code on line 1 ``` whereas the docs say: " [constant()] Returns the value of the constant, or NULL if the constant is not defined." ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=80089&edit=1