database connection in php pdo

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showing results for - "database connection in php pdo"
Pedro
01 Jul 2018
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?>
Vicente
09 Jun 2018
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 = $database->connect_pdo();
32?>
Gael
02 Nov 2017
1<?php
2$pdo = new PDO('mysql:host=localhost;dbname=databasename', 'username', 'password');
3?>
4
Lisa
06 Jan 2020
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?>
Clotilde
24 Mar 2019
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*/
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