php mysql pdo connection
<?php
$servername = "localhost";
$username = "username";
$password = "password";
try {
$conn = new PDO("mysql:host=$servername;dbname=myDB", $username, $password);
// set the PDO error mode to exception
$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
echo "Connected successfully";
}
catch(PDOException $e)
{
echo "Connection failed: " . $e->getMessage();
}
?>pdo connection php
<?php
$db = "mysql:host=localhost;dbname=pdolearn";
$user = "root";
$password = "";
$pdo = new PDO($db, $user, $password);
// $stmt = "SELECT * FROM countries"; //for mySQL
$stmt = $pdo->query("SELECT * from countries");
// while($row = mysqli_fetch_assoc($stmt)) //for mysql
while ($row = $stmt->fetch())
{
echo "<pre>";
print_r($row);
}php pdo connection
$host = "localhost";//Ip of database, in this case my host machine
$user = "root"; //Username to use
$pass = "qwerty";//Password for that user
$dbname = "DB";//Name of the database
try {
$connection = new PDO("mysql:host=$host;dbname=$dbname", $user, $pass);
$connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
}catch(PDOException $e)
{
echo $e->getMessage();
}database connection in php pdo
<?php
class database{
private $host = "localhost";
private $db_name = "php_basic";
private $username = "root";
private $password = "";
private $conn;
// connect database using PDO
function connect_pdo(){
try{
$this->conn = new PDO("mysql:host=".$this->host.";dbname=".$this->db_name, $this->username, $this->password);
return $this->conn;
}
catch(PDOException $ex){
echo "Connection Error -->> ",$ex->getMessage();
echo "<br>Error Code -->> ",$ex->getCode();
echo "<br>Error occur in File -->> ",$ex->getFile();
echo "<br>Error occur on Line no -->> ",$ex->getLine();
$this->conn = null; // close connection in PDO
}
}
}
?>
//how to use
<?php
include 'connect_db.php';
$database=new database();
$db = $database->connect_pdo();
?>how to connect pdo php database
<?php
$servername = "localhost";
$username = "username";
$password = "password";
try {
$conn = new PDO("mysql:host=$servername;dbname=myDB", $username, $password);
// set the PDO error mode to exception
$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
echo "Connected successfully";
} catch(PDOException $e) {
echo "Connection failed: " . $e->getMessage();
}
?>pdo db connection
<?php
$pdo = new PDO('mysql:host=localhost;dbname=databasename', 'username', 'password');
?>Copyright © 2021 Codeinu
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