PHP - Create PDO Connection using namespace - php

Question

I have a project folder name utilities.
The list of directory is:
- utilities
- tli
- database
Connection.php
index.php
The Connection.php is PDOConnection.
The code is:
<?php
namespace app\tli\database;
use PDO;
use PDOException;
Class Connection
{
private $server = "mysql:host=localhost;dbname=ytsurumaru_hanwa_coil_v.2";
private $user = "root";
private $pass = "";
private $options = array(PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,);
protected $con;
public function openConnection()
{
try {
$this->con = new PDO($this->server, $this->user, $this->pass, $this->options);
return $this->con;
} catch (PDOException $e) {
return "There is some problem in connection: " . $e->getMessage();
}
}
public function closeConnection()
{
$this->con = null;
}
}
UPDATED SOURCE
Now, I need this Connection instance in index.php
<?php
namespace app;
use app\tli\database\Connection;
use PDOException as PDOEx;
require('tli/database/Connection.php');
try {
$connection = new Connection(); // not found
$connection->openConnection();
} catch (PDOEx $e) {
echo $e->getMessage();
}
When I run it,
D:\wamp64\www\utilities\tli>php index.php
Warning: require(tli/database/Connection.php): failed to open stream: No such file or directory in D:\wamp64\www\utilities\tli\index.php on line 8
Fatal error: require(): Failed opening required 'tli/database/Connection.php' (include_path='.;C:\php\pear') in D:\wamp64\www\utilities\tli\index.php on line 8
How to solved this, is my namepace have a problem ?

Answer 1

Isn't this enough to access your database connection?
require 'tli/database/Connection.php';
Then, since you are in a different name space and you are not aliasing, in your 'try catch block' you should instead of:
$connection = new Connection(); // not found
Do something like:
$connection = new \tli\database\Connection();
Make sure to set your paths right.
OR
You can alias to a different name like so:
namespace app;
require 'tli/database/Connection.php';
use tli\database\Connection as MyConnection;
$connection = new MyConnection();

Answer 2

You need to use one of these:
include('tli/database/Connection.php')
include_once('tli/database/Connection.php')
require('tli/database/Connection.php')
require_once('tli/database/Connection.php')
or if you want some more automation use autoloader.
You may want to look at this SO question and all the linked things.