references

Reference binding, safety, and dangling reference issues

Programming C++ coroutine: lifetime of temporary bound to reference

C++ coroutines materialize temporaries into the coroutine frame and store references there, so references to them remain valid across suspension. Key rules.

#cpp
#coroutines
#lifetime
#temporaries
#references

1 answer• 1 view

01/02/2026, 10:24 AM

Programming PHP Return by Reference: Fix 'Only Variable References' Warning

Learn how to properly return NULL by reference in PHP without triggering 'Only variable references should be returned' warnings. Understand the fix for null-coalescing.

#php
#references
#warnings
#variables
#null

1 answer• 1 view

12/27/2025, 05:10 PM