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();
}
?>mssql pdo
Hi All, I'wrote a class to connect to MSSQL/Azure databases with Transaction support.
Hope this can help anyone!
<?php
/**
* @author Johan Kasselman <[email protected]>
* @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";
}
}
}
?>Copyright © 2021 Codeinu
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