Discover how PHP's foreach construct works internally, its interaction with array pointers, and how it differs from other loop types. Complete guide to understanding foreach mechanics in PHP.
Learn the correct methods to remove elements from PHP arrays using unset() and array_splice(). Fix common mistakes and ensure foreach loops work properly after removal.
Master dictionary iteration in C# with comprehensive coverage of foreach loops, KeyValuePair, tuple deconstruction, and performance considerations. Best practices included.