21 Oct 2024

BigInteger Class in PHPDoes PHP include a BigInteger class for handling large integers? If so, how is it accessed and utilized?Answer:While PHP does not natively include a BigInteger class, external libraries can provide this functionality. Two notab

11 Dec 2024

How to [Recursively] Zip a Directory in PHPThe goal is to effectively zip a directory, including all its subdirectories and files, in PHP.Approach...

30 Aug 2025

Create a ZIP file using ZipArchive class: instantiate the object, call the open() method to create the file, addFile() or addFromString() to add content, and finally call close() to save. 2. The entire folder can be added to the ZIP by traversing the directory. 3. Make sure to check the return value of open() and ensure write permissions. 4.PHP uses standard ZIP compression by default. Simple and reliable operation.

07 Sep 2025

Use the ZipArchive class to easily decompress ZIP files: first create an instance and open the compressed package, check the return status code to determine whether it is successful, and then call extractTo to specify the target path, support extracting all or specific files, and finally close the resources. Errors need to be processed through switch statements combined with ZipArchive constants to ensure reliable operation.

13 Dec 2024

Linking Static Libraries to Other Static Libraries: A Comprehensive ApproachStatic libraries provide a convenient mechanism to package reusable...

11 Jul 2025

When writing unit tests for Python classes, mock technology can bypass external dependencies and is mainly implemented using the unittest.mock module or manual pile driving. 1. Use unittest.mock.patch to replace specific method behavior, such as the return value of the mock class method and verify the call; 2. Create a Mock class to replace the real class and simulate the overall behavior; 3. Use MagicMock to quickly generate fake data and use it in combination with patch. The core is to isolate the external environment through "stand-alone" and "preset results", so that the test focuses on the logic itself.