How to check PHP, Apache, MySQL versions

This article mainly shares with you how to check the versions of PHP, Apache, and MySQL. I hope it can help you.

How to check the PHP version:

1. Use the php functions--phpinfo() and phpversion() to query;

echo phpinfo();

echo phpversion();

2. Use the predefined constant PHP_VERSION to query

3. Use Use the command line tool to query (you need to configure php system variables or enter the php installation directory)

Enter php -v

to view Apache version method

Enter httpd -v on the command line to query (you need to configure Apache system variables or enter the Apache installation directory)

How to check the Mysql version

Enter mysql -v on the command line to query (you need to configure Mysql system variables or enter the Mysql installation directory)

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