Php check connection to database

Database connection in php

<?php

$hostName = 'localhost';
$userNmame = 'root';
$password = '';
$dbname = 'topproduct';
$db_name = "mysql:host=$hostName;dbname=$dbname";
$conn = new PDO($db_name,$userNmame,$password);

if(!$conn){
    echo 'Error database connection';    
}

How to check if php is connected to database

<?php
$con = new mysqli("host","username","password","database");
echo $con ? 'connected' : 'not connected';
?>

Php check connection to database

<?php
$servername = "localhost";
$username = "username";
$password = "password";

// Create connection
$conn = new mysqli($servername, $username, $password);

// Check connection
if ($conn->connect_error) {
  die("Connection failed: " . $conn->connect_error);
}
echo "Connected successfully";
?>

Similar codes

1 vote221 views4 answers
Codeigniter where_not_in
PHP CodeIgniter
0 vote198 views1 answer
Razorpay refund laravel
PHP Laravel
1 vote183 views1 answer
Laravel gates
PHP
3 votes137 views1 answer
Sql where count greater than
PHP
0 vote217 views1 answer
Delete_user hook in wordpress
PHP Wordpress
2 votes206 views2 answers
Laravel get column field name
PHP Laravel
2 votes171 views2 answers
Laravel get column field name
PHP
0 vote184 views1 answer
Alternatively, you may set the environment variables ONIG_CFLAGS and ONIG_LIBS to avoid the need to call pkg-config.
PHP
71 votes168 views6 answers
Convert string to int php
PHP
2 votes183 views3 answers
Ajax post json data handle in php
PHP