Answers for "how to know if pdo is connecting to database in php"

PHP
8

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();                         
}
Posted by: Guest on April-14-2020
1

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();
?>
Posted by: Guest on May-29-2021

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