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();
}
?>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();
?>pdo db connection
<?php
$pdo = new PDO('mysql:host=localhost;dbname=databasename', 'username', 'password');
?>connect php to mysql pdo
<?php
$pdo = new PDO('mysql:host=localhost;
dbname=the_name_of_your_databe,
'username',
'password'');
# by default your username is root
# if you don't have a password don't fill in it
#(optional) :
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_OBJ);
?>php how to connect to db using PDO
<?php
$db_src = "mysql:host=localhost;dbname=databasename";
$db_user = "root";
$db_pass = "";
try{
$connect = new PDO($db_src, $db_user, $db_pass);
$connect->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
}
catch(PDOEXCEPTION $err){
echo "Failed To Connect. Error " . $err->getMessage();
}
/* Variable $connect will be used to execute DB Statements*/Copyright © 2021 Codeinu
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