PHP Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] No such file or directory in /opt/lampp/htdocs/product_crud/03_good/Database.php:12

[frankndungu]

PHP Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] No such file or directory in /opt/lampp/htdocs/product_crud/03_good/Database.php:12
Stack trace:
#0 /opt/lampp/htdocs/product_crud/03_good/Database.php(12): PDO->__construct()
#1 /opt/lampp/htdocs/product_crud/03_good/Router.php(12): app\Database->__construct()
#2 /opt/lampp/htdocs/product_crud/03_good/public/index.php(8): app\Router->__construct()
#3 {main}
thrown in /opt/lampp/htdocs/product_crud/03_good/Database.php on line 12
[Wed Oct 26 14:05:39 2022] 127.0.0.1:57176 [500]: GET / - Uncaught PDOException: SQLSTATE[HY000] [2002] No such file or directory in /opt/lampp/htdocs/product_crud/03_good/Database.php:12
Stack trace:
#0 /opt/lampp/htdocs/product_crud/03_good/Database.php(12): PDO->__construct()
#1 /opt/lampp/htdocs/product_crud/03_good/Router.php(12): app\Database->__construct()
#2 /opt/lampp/htdocs/product_crud/03_good/public/index.php(8): app\Router->__construct()
#3 {main}
thrown in /opt/lampp/htdocs/product_crud/03_good/Database.php on line 12
[Wed Oct 26 14:05:39 2022] 127.0.0.1:57176 Closing

[frankndungu]

How I got around this bug;
I changed the server port from

$this->pdo = new PDO('mysql:host=localhost;port=3306;dbname=products_crud', 'root', '');

to

$this->pdo = new \PDO('mysql:host=127.0.0.1;port=3306;dbname=products_crud', 'root', '');

This worked well for me.