1<?php
2$servername = "localhost";
3$username = "username";
4$password = "password";
5
6try {
7 $conn = new PDO("mysql:host=$servername;dbname=myDB", $username, $password);
8 // set the PDO error mode to exception
9 $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
10 echo "Connected successfully";
11 }
12catch(PDOException $e)
13 {
14 echo "Connection failed: " . $e->getMessage();
15 }
16?>
1<?php
2class database{
3 private $host = "localhost";
4 private $db_name = "php_basic";
5 private $username = "root";
6 private $password = "";
7 private $conn;
8
9 // connect database using PDO
10 function connect_pdo(){
11 try{
12 $this->conn = new PDO("mysql:host=".$this->host.";dbname=".$this->db_name, $this->username, $this->password);
13 return $this->conn;
14 }
15 catch(PDOException $ex){
16 echo "Connection Error -->> ",$ex->getMessage();
17 echo "<br>Error Code -->> ",$ex->getCode();
18 echo "<br>Error occur in File -->> ",$ex->getFile();
19 echo "<br>Error occur on Line no -->> ",$ex->getLine();
20
21 $this->conn = null; // close connection in PDO
22 }
23 }
24}
25?>
26
27//how to use
28<?php
29include 'connect_db.php';
30$database=new database();
31$db = $database->connect_pdo();
32?>
1<?php
2$pdo = new PDO('mysql:host=localhost;dbname=databasename', 'username', 'password');
3?>
4
1<?php
2
3 $pdo = new PDO('mysql:host=localhost;
4 dbname=the_name_of_your_databe,
5 'username',
6 'password'');
7# by default your username is root
8# if you don't have a password don't fill in it
9
10#(optional) :
11 $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
12 $pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_OBJ);
13
14?>
1<?php
2 $db_src = "mysql:host=localhost;dbname=databasename";
3 $db_user = "root";
4 $db_pass = "";
5 try{
6 $connect = new PDO($db_src, $db_user, $db_pass);
7 $connect->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
8 }
9 catch(PDOEXCEPTION $err){
10 echo "Failed To Connect. Error " . $err->getMessage();
11 }
12/* Variable $connect will be used to execute DB Statements*/