Tag: oop
Interpreter Pattern
A grammar represented as a class hierarchy — used for search query parsers, expression evaluators, and rule engines.
2mo ago
quality advanced
Inappropriate Intimacy
Two classes that access each other's private fields and internals too freely, creating tight bidirectional coupling.
2mo ago
quality intermediate
Interface Segregation Principle
Clients should not be forced to depend on interfaces they do not use — prefer many small, focused interfaces over one large one.
2mo ago
quality intermediate
Interface vs Abstract Class PHP 5.0+ Interfaces define pure capability contracts with no state; abstract classes add shared implementation. Use interfaces for type contracts, abstract for shared behaviour.
2mo ago
php intermediate
Interfaces PHP 5.0+
Contracts that define a set of method signatures a class must implement, enabling polymorphism without inheritance.
2mo ago
php intermediate
Iterator Pattern PHP 5.0+
Provides a uniform way to traverse a collection without exposing its internal structure — the foundation of PHP's foreach and SPL iterators.
2mo ago
quality intermediate
Iterators & IteratorAggregate PHP 5.0+
PHP interfaces that allow custom objects to be used in foreach loops, enabling lazy and memory-efficient iteration over any data source.
2mo ago
php intermediate
Immutability PHP 8.1+
Objects whose state cannot change after construction — immutable objects are inherently thread-safe, predictable, and easy to reason about.
2mo ago
quality intermediate