错误：SQLSTATE[HY000] [1049] 未知数据库

Question

I've been working on some beginner php exercise recently and have encountered an error to which I have no idea what is causing it.

It says

"Error: SQLSTATE[HY000] [1049] Unknown database 'otkrica'"

The sql file is correctly named "otkrica" and my db.php looks like this:

<?php 
$dsn = "mysql:host=127.0.0.1;charset=utf8;dbname=otkrica";

try{

$pdo = new PDO($dsn,"root","");
  }catch(PDOException $e){
    die("Error: " . $e->getMessage());
  }
?>

I would really appreciate input on this one. What am I missing?

Answer 1

The correct answer is found in the comments (credit to cmnardi). Posted as a clear answer for anyone looking:

Set the port you are using like: mysql:host=localhost;port=3307;dbname=testdb

Answer 2

I fix this problem wait this way

$connect = new PDO($dsn, $user, $pass);
$connect->exec("SET character_set_connection = 'utf8'");
$connect->exec("SET NAMES 'UTF8'");

---

<?php
    $server="localhost";
    $user="root";
    $pass="";
    $dbname="clicksite";
    
    $dsn="mysql:host=$server;dbname=$dbname";
    try{
    $connect=new PDO($dsn,$user,$pass);
    $connect->exec("SET character_set_connection = 'utf8'");
    $connect->exec("SET NAMES 'UTF8'");
    }catch(PDOException $error) {
    
        echo "unable to connect".$error->getMessage();
    
    }
?>

attention: use as wampserver ver2.5 for build database in the server after run wampserver, click left on the icon in notify bar and then click on phpmyadmin and create the database.