hi can any one help me i search for a solution for about one weak and i can't find it :
<?php

$dbhandle = mysqli_connect('localhost', 'root', 'toor', 'helmi');

mysqli_query($dbhandle,"SET character_set_results = 'utf8', character_set_client = 'utf8', character_set_connection = 'utf8', character_set_database = 'utf8', character_set_server = 'utf8'");

date_default_timezone_set('Africa/Tunis');
?>

the problem is :

Warning: mysqli_connect(): (HY000/1045): Access denied for user 'root'@'localhost' (using password: YES) in C:\xampp\htdocs\db_connect.php on line 3

Warning: mysqli_query() expects parameter 1 to be mysqli, boolean given in C:\xampp\htdocs\db_connect.php on line 5

Warning: mysqli_real_escape_string() expects parameter 1 to be mysqli, boolean given in C:\xampp\htdocs\authentication.php on line 9

pealse help me !

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