When does PHP need to write C extensions?

angryTom
Release: 2023-02-27 12:42:01
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When does PHP need to write C extensions?

When does PHP need to write a c extension?

There are two types of PHP extensions. One is an extension written in PHP, installed through composer. One is written in C and installed through the PHP command .

The situations where PHP needs to write C extensions are as follows:

1. Perform performance optimization when encountering performance bottlenecks, such as intensive calculations, large-scale string processing, etc.

2. Cross-process communication and data sharing, such as global data tables, configuration files, database connection pools, etc.

3. PHP needs to use some functions in local C libraries or executable files. These functions There is no PHP implementation, such as image processing tools like imagemagick

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