0036812: PHP 8.4: Passing E_USER_ERROR to trigger_error() is deprecated

ID	Project	Category	View Status	Date Submitted	Last Update
0036812	mantisbt	code cleanup	public	2026-01-02 16:51	2026-01-07 07:21

Reporter	dregad	Assigned To
Priority	normal	Severity	minor	Reproducibility	always
Status	confirmed	Resolution	open
Target Version	2.28.1

Summary	0036812: PHP 8.4: Passing E_USER_ERROR to trigger_error() is deprecated
Description	Example: DEPRECATED: 'Passing E_USER_ERROR to trigger_error() is deprecated since 8.4, throw an exception or call exit with a string message instead' in '/Users/dregad/dev/mantisbt/mantis/core/error_api.php' line 113 Today we actually do this all over the place... `git grep -Pw "trigger_error\(.,\s(E_USER_)?ERROR\s*\)"` shows 248 occurrences in the code, plus 3 in the documentation
Tags	PHP 8.4

dregad 2026-01-07 07:21 developer ~0070705	This is not going to be a trivial fix. trigger_error() calls using E_USER_ERROR error level must be replaced by throw exception statements significant refactoring of Error API is required There is an impact on Plugin API (to be analyzed), as Plugin errors are currently identified by a string, not an error number which is expected by Exceptions