pdo connection php
<?php
$db = "mysql:host=localhost;dbname=pdolearn";
$user = "root";
$password = "";
$pdo = new PDO($db, $user, $password);
// $stmt = "SELECT * FROM countries"; //for mySQL
$stmt = $pdo->query("SELECT * from countries");
// while($row = mysqli_fetch_assoc($stmt)) //for mysql
while ($row = $stmt->fetch())
{
echo "<pre>";
print_r($row);
}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();
}php goto
<?php
goto a;
echo 'Foo';
a:
echo 'Bar';
?>connect php to mysql pdo
<?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 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();
}Copyright © 2021 Codeinu
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