How to check if an element exists in the database?

Question

PHP

Browser throws an error: Warning: mysql_query() expects parameter 1 to be string, object given in info.php on line 7
Error #02;

<?php
$connect = mysqli_connect(скрыто)
or die('Ошибка #01');
 
$cc = $_POST['info'];
$res1 = "SELECT * FROM user WHERE cc_user = 'cc'";
$res = mysql_query($connect,$res1) or die('Ошибка #02');
if(mysql_num_rows($res)){
echo 'Что-то достали';
}else{
echo 'Ничего нет';
}
 mysqli_close($connect);
 ?>

Help fix...

Answer 1

replace

$res = mysql_query($connect,$res1) or die('Ошибка #02');

on the
and
on
if(mysqli_num_rows($res)){