Answers for "mysql pdo"

php mysql pdo connection

Copy<?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();
    }
?>

connect php to mysql pdo

Copy<?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 mysql connect pdo

Copy$host = 'localhost'; // URL to the server
$user = 'root'; // Username (xampp = root)
$pw = ''; // Password (xampp = )
$dbname = 'database'; // The name of your database 
$dsn = "mysql:host=$host;dbname=$dbname";
$options = [PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8']; // If you want to use utf-8 use this line

$db = new PDO($dsn, $user, $pw, $options); // Database Object
$db -> setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC); // Use this if you want an associate array
// $db -> setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC); Use this if you want an indexed array

$qry = 'select * from table;'; // Your query
$result = $db -> query($qry); // execute query

while ($row = $result -> fetch()) {
    $id = $row[/*column-name*/];
}

mssql pdo

CopyHi All, I'wrote a class to connect to MSSQL/Azure databases with Transaction support.

Hope this can help anyone!

<?php
/**
*    @author     Johan Kasselman <johankasselman@live.com>
*    @since         2015-09-28    V1
*
*/

class pdo_dblib_mssql{

    private $db;
       private $cTransID;
       private $childTrans = array();

    public function __construct($hostname, $port, $dbname, $username, $pwd){

        $this->hostname = $hostname;
        $this->port = $port;
        $this->dbname = $dbname;
        $this->username = $username;
        $this->pwd = $pwd;

        $this->connect();
        
    }

    public function beginTransaction(){

        $cAlphanum = "AaBbCc0Dd1EeF2fG3gH4hI5iJ6jK7kLlM8mN9nOoPpQqRrSsTtUuVvWwXxYyZz";
        $this->cTransID = "T".substr(str_shuffle($cAlphanum), 0, 7);

        array_unshift($this->childTrans, $this->cTransID);

        $stmt = $this->db->prepare("BEGIN TRAN [$this->cTransID];");
        return $stmt->execute();

    }

    public function rollBack(){
        
        while(count($this->childTrans) > 0){
            $cTmp = array_shift($this->childTrans);
            $stmt = $this->db->prepare("ROLLBACK TRAN [$cTmp];");
            $stmt->execute();
        }

        return $stmt;
    }

    public function commit(){

        while(count($this->childTrans) > 0){
            $cTmp = array_shift($this->childTrans);
            $stmt = $this->db->prepare("COMMIT TRAN [$cTmp];");
            $stmt->execute();
        }

        return  $stmt;
    }

    public function close(){
        $this->db = null;
    }

    public function connect(){

        try {
            $this->db = new PDO ("dblib:host=$this->hostname:$this->port;dbname=$this->dbname", "$this->username", "$this->pwd");

           

        } catch (PDOException $e) {
            $this->logsys .= "Failed to get DB handle: " . $e->getMessage() . "\n";
        }

    }

}

?>