Solution : PHP Warning: mysql_connect(): No such file or directory

If you get PHP Warning: mysql_connect(): No such file or directory and unable to connect mysql through php then change localhost to 127.0.0.1 while connecting to database

example:
$connection = mysql_connect('localhost', 'root', 'password');
to
$connection = mysql_connect('127.0.0.1', 'root', 'password');

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Solution : The mysqli extension is missing. Please check your PHP configuration

if you get The mysqli extension is missing. Please check your PHP configuration error in phpmyadmin
follow two steps

1. install php-mysql
in redhat , fedora
yum install php-mysql
in ubuntu
apt-get install php-mysql

2. restart apache server
restart mysql

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