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();
}how to connect pdo php database
<?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();
}
?>php pdo example
$host = '127.0.0.1';
$db = 'test';
$user = 'root';
$pass = '';
$charset = 'utf8mb4';
$dsn = "mysql:host=$host;dbname=$db;charset=$charset";
$options = [
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
PDO::ATTR_EMULATE_PREPARES => false,];
try {
$pdo = new PDO($dsn, $user, $pass, $options);
} catch (\PDOException $e) {
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}php pdo
const DB_HOST = 'localhost';
const DB_NAME = 'DB_Name'; //Name of the database
const DB_USERNAME = 'username'; //Username to use
const DB_PASSWORD = 'Password'; //Password for that user
// Data Source Name
$dsn = "mysql:host=" . DB_HOST . ";dbname=" . DB_NAME;
$options = [
PDO::ATTR_EMULATE_PREPARES => false, // turn off emulation mode for "real" prepared statements
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, //turn on errors in the form of exceptions
PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_OBJ, //make the default fetch be an anonymous object with column names as properties
];
//Create PDO instance
try {
$pdo = new PDO($dsn, DB_USERNAME, DB_PASSWORD, $options);
} catch (PDOException $e) {
echo 'Connection failed: ' . $e->getMessage();
}pdo example
<?php
$dsn = "mysql:host=localhost;dbname=mydb";
$user = "user12";
$passwd = "12user";
$pdo = new PDO($dsn, $user, $passwd);php pdo code examples
<?php
$dsn = "mysql:host=localhost;dbname=mydb";
$user = "user12";
$passwd = "12user";
$pdo = new PDO($dsn, $user, $passwd);
$stm = $pdo->query("SELECT * FROM countries");
$rows = $stm->fetchAll(PDO::FETCH_NUM);
foreach($rows as $row) {
printf("$row[0] $row[1] $row[2]\n");
}Copyright © 2021 Codeinu
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