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Course Introduction：In PHP class inheritance, when the subclass overrides the parent class constructor, if the parent class constructor defines the parameters, the subclass must explicitly pass these necessary parameters to the parent class through parent::__construct() . Ignoring this step will result in a runtime error because the parent class cannot receive the parameters required for its initialization, affecting the correct construction and functionality of the object.

2025-08-22 comment 0  603

Course Introduction：In PHP class inheritance, when a subclass defines its own constructor, it is crucial to correctly call the constructor of the parent class, especially when the parent class constructor requires parameters. This tutorial will explain in detail how to pass necessary parameters to the parent class constructor through the parent::__construct() method in a subclass to ensure the correct initialization of the parent class attributes, thereby avoiding common runtime errors and maintaining the robustness of the code.

2025-08-22 comment 0  276

Course Introduction：This article provides a code snippet for a PHP class that utilizes cURL to fetch API responses. The snippet defines a function to retrieve the API response, handle redirects, set user agent, and manage timeouts, making it a useful tool for interactin

2024-10-26 comment 0  1108

Course Introduction：In PHP class inheritance, when the subclass defines its own constructor, if the parent class constructor requires parameters, the subclass must explicitly pass these parameters to the parent class through the parent::__construct() method. This article will explain this mechanism in detail, and use sample code to show how to correctly call and pass parameters to the parent class constructor in the subclass to avoid errors caused by missing parameters and ensure that the parent class logic is correctly initialized.

2025-08-22 comment 0  684

Course Introduction：PHP multi-line comments use // wrap content, suitable for explanation logic or blocked code; it is recommended that PHPDoc style be used for function and class comments to improve IDE recognition and development efficiency; comments should be clear and useful, avoid redundancy, and focus on explaining the reasons for implementation rather than the operation itself. For example: / comment content/or /*PHPDoc comments/defines function parameters and return values, and pay attention to closing symbols to avoid syntax errors. Good comments need to be combined with context to help understand complex logic or special handling methods.

2025-07-16 comment 0  243

Course Advanced  11927

Course Introduction：As a basic course for learning WeChat development, this course introduces in detail the preparatory conditions for WeChat development, how to apply for a WeChat public account, and how to successfully access the API interface developed by WeChat in project applications. The course goes from easy to deep and has detailed content. Very suitable for novices to learn.

Course Elementary  13929

Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.

Course Elementary  82482

Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).

Course Elementary  13267

Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.

Course Elementary  24734

Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.