How to check if php has swoole installed

How to check whether php has swoole installed:

Command line input php --ri swoole

If swoole is output The extended information indicates that your installation is successful!

99.999% of people can use swoole directly if this step is successful

No need to worry about whether php -m or phpinfo web page prints out whether there is swoole

Because swoole runs in cli mode, its functions are very limited in traditional fpm mode

Recommended learning: swoole tutorial

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