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Course Introduction：Core points PHP collection class is an object-oriented alternative to traditional array data structures, providing a structured way to manage object groups and providing built-in data manipulation methods. The basic collection class should provide methods for adding, retrieving, and deleting items, as well as methods for determining whether the collection size and given keys exist in the collection. Collection classes can improve performance, especially when working with large datasets, because they use delayed instantiation, creating elements in the array only when needed, saving system resources. Collection classes are especially useful when working with databases using PHP, because they can manage large datasets more efficiently and make the code easier to read and maintain. Collection classes are object-oriented alternatives to traditional array data structures. Similar to arrays,

2025-02-23 comment 0  650

Course Introduction：The collection hierarchy in Java consists of grouping elements/objects, where each class has subclasses and methods. It does not accept primitive types, but the "array" class allows the inclusion of several homogeneous elements of the same type, accepting

2024-10-18 comment 0  1073

Course Introduction：Retrieving Class Name from Static Calls in Extended PHP ClassesProblem:A PHP class hierarchy exists, with a base class Action and an extended...

2024-11-01 comment 0  1114

Course Introduction：PHP: Accessing Child Class Methods from a Parent ClassOften, when working with inheritance in PHP, developers encounter the need to access functions from a child class within the parent class. This can be achieved through a powerful mechanism: abstra

2024-10-19 comment 0  362

Course Introduction：PHP automatic loading method collection, PHP loading method collection. PHP automatic loading method collection, PHP loading method collection PHP file loading method: 1. include, include_once, requice, requice_one regular loading 2. __autoload() 3. spl_autoload_register() regular

2016-07-12 comment 0  888

Course Advanced  12552

Course Introduction：PHP crawler collection practical course, guide you step by step to use PHP to make crawlers and crawl network resources.

Course Elementary  17851

Course Introduction："PHP Fun Class" happily takes everyone to learn PHP, making learning programming less scary. Learning programming is not a scary thing. This class will make learning PHP quite simple and interesting! !

Course Elementary  36741

Course Introduction："PHP Fun Class" makes learning PHP like playing a game, developing, fighting monsters, and breaking through levels, making learning programming no longer a scary thing, but fun and simple! If you find it difficult to learn PHP, then this course is very suitable for you to learn!

Course Elementary  25485

Course Introduction：Lecturer: php Chinese website-Teacher Zhu (Peter Zhu) Time: 2019.10.17 20:00-22:00 Topic: How to learn a new technology efficiently? Specific content: 1. In 2020, what other new technologies are worth learning? 2. How to learn front-end development efficiently? 3. How to learn PHP development efficiently? 4. Introduction and demonstration of new functions of phpStudy V8 5. Xiaopi panel function introduce

Course Intermediate  38757

Course Introduction：1. Date: October 17th (Wednesday) to October 20th (Saturday); 2. Time slot: Morning session (10:00 ~ 12:00), Afternoon session (15:00 ~ 17:00); 3. Topic: Full-stack development experience sharing for PHP programmers 4. Purpose: Example demonstration, full recording, easy to understand, public welfare and practical 5. Lecturer: Peter_Zhu, Miejie Shitai, Ouyang Ke, Ximen Daguanren Interested friends, please join the QQ group: 929746523 to participate in the exchange!