php-pro
Write idiomatic PHP code with generators, iterators, SPL data structures, and modern OOP features. Use PROACTIVELY for high-performance PHP applications.
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php-pro - Modern PHP High-Performance Development Assistant
Skill Overview
php-pro is an intelligent assistant focused on modern PHP development. It helps developers write idiomatic PHP code, master generators, iterators, SPL data structures, and modern OOP features, and build high-performance PHP applications.
Use Cases
When you need to handle extremely large files, massive datasets, or perform batch data processing, php-pro will prioritize recommending PHP generators (Generators) to minimize memory usage and avoid memory overflows caused by loading all data at once.
Designed for projects targeting PHP 8.0+, it leverages new features such as enums, attributes, constructor property promotion, and match expressions to write more concise, type-safe code.
Analyze existing PHP code for performance issues, identify memory leaks and bottlenecks, refactor inefficient code using SPL data structures and modern OOP patterns, and improve application responsiveness.
Core Features
Use generators (yield), iterator interfaces (Iterator), and SPL data structures (SplQueue, SplStack, SplHeap, etc.) to handle datasets, significantly reducing memory usage while maintaining code readability and maintainability.
Make full use of PHP 8+ features such as union types, intersection types, never types, and mixed types to write type-safe code, reduce runtime errors, and improve the IDE’s intelligent assistance experience.
Master advanced features like traits, late static binding, magic methods, and reflection. Apply SOLID principles and design patterns to build scalable, maintainable PHP architectures.
Frequently Asked Questions
How much memory can PHP generators save?
Generators enable lazy evaluation: they generate and return a value only when needed. Once processing is complete, memory is released immediately. For million-scale datasets, compared with loading everything into an array at once, generators typically save over 90% of memory usage—the exact percentage depends on the dataset size and processing logic.
When should SPL data structures be used?
If standard arrays can’t meet performance requirements, consider using SPL data structures: SplQueue for queue operations, SplStack for stack operations, SplHeap for priority queues, and SplFixedArray for arrays with a known size. However, it’s recommended to start with native arrays and built-in functions, use performance analysis to confirm bottlenecks, and then introduce SPL.
How can PHP memory leaks be avoided?
Common causes of memory leaks include: circular references, unreleased resource handles, static property accumulation, and excessive use of global variables. php-pro will recommend using weak references (WeakMap), promptly unsetting variables that are no longer needed, using generators instead of large data arrays, enabling opcache configuration optimization, and performing memory analysis with Xdebug or Blackfire.