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Basic International Phone Number Validation

A JavaScript regex for validating common international phone number formats, supporting country codes and various separators, ideal for forms.

Extracting All Links and HREFs from HTML String

A JavaScript regex solution to parse an HTML string and extract all anchor (<a>) tags along with their href attributes, useful for web scraping or content analysis.

Syncing State with URL Query Params using useEffect

Learn how to synchronize React component state with URL query parameters. This snippet uses useEffect to read and update the URL, making component state bookmarkable and shareable.

Optimizing Performance with useMemo for Expensive Computations

Optimize your React components by memoizing expensive calculations using the `useMemo` hook. Prevent unnecessary re-renders and improve performance for computationally intensive tasks.

Advanced State Management with useReducer Hook

Learn to manage complex application state more predictably with React's `useReducer` hook. This snippet illustrates building a simple shopping cart with multiple actions (add, remove, update quantity).

Global Theme Management with useContext and Custom Hook

Implement a global theme switcher in React using `createContext` and `useContext`. This snippet shows how to create a custom `useTheme` hook for easy theme access and toggling across components.

Programmatic Media Control with useRef Hook

Learn to programmatically control HTML5 media elements like `<video>` or `<audio>` in React using the `useRef` hook. This snippet demonstrates playing, pausing, and resetting a video.

Custom Sorting an Associative Array by Key

Master custom sorting of PHP associative arrays or arrays of objects using `usort` with a comparison function, enabling flexible ordering based on any key or property.

Grouping Associative Array Elements by a Key

Organize and group elements of a PHP associative array based on a common key's value, creating nested arrays for structured data categorization.

Filtering an Array of Objects by Property Value

Learn how to efficiently filter a PHP array of objects or associative arrays based on a specific property's value using `array_filter` and an anonymous function.

Making Authenticated API Requests with Bearer Token

Learn how to securely make API requests by including an Authorization Bearer token in the request headers using JavaScript's Fetch API.

Centralized Error Handling for API Responses

Implement robust, centralized error handling for your API calls using JavaScript's Fetch API, catching network issues and parsing HTTP status codes.