how to solve myqli.so ,cannot open shared object file

Question

Message: PHP Startup: Unable to load dynamic library '/path/to/extension/mysqli.so' (tried: /path/to/extension/mysqli.so (/path/to/extension/mysqli.so: cannot open shared object file: No such file or directory), /usr/lib/php/20170718//path/to/extension/mysqli.so.so (/usr/lib/php/20170718//path/to/extension/mysqli.so.so: cannot open shared object file: No such file or directory))

A PHP Error was encountered

Severity: Core Warning

Message: PHP Startup: Unable to load dynamic library '/path/to/extension/mysqli.so' (tried: /path/to/extension/mysqli.so (/path/to/extension/mysqli.so: cannot open shared object file: No such file or directory), /usr/lib/php/20170718//path/to/extension/mysqli.so.so (/usr/lib/php/20170718//path/to/extension/mysqli.so.so: cannot open shared object file: No such file or directory))

Filename: Unknown

Line Number: 0

command :find / -name 'mysqli.so'

/usr/lib/php/20190902/mysqli.so /usr/lib/php/20170718/mysqli.so /usr/lib/php/20151012/mysqli.so

command: find / -name 'php.ini'

/etc/php/7.0/cli/php.ini /etc/php/7.0/apache2/php.ini /etc/php/7.2/cli/php.ini /etc/php/7.2/apache2/php.ini /etc/php/7.4/cli/php.ini /etc/php/7.4/apache2/php.ini

i would like to solve this severity warning.

Answer 1

You have to reinstall the package for this library depending on your Ubuntu version:

sudo apt-get install --reinstall php7.0-mysql # for 16.04 LTS
sudo apt-get install --reinstall php7.2-mysql # for 18.04 LTS
sudo apt-get install --reinstall php7.4-mysql # for 20.04 LTS and 20.10