<?php
$mysql_host='localhost';
$mysql_user='root';
$mysql_password='you cant know mypassword';

mysql_connect($mysql_host,$mysql_user,$mysql_password);
@mysql_select_db('attempt');



?>


<?php
$sql="IF NOT EXISTS ( SELECT person FROM kid WHERE Subs=45 )
BEGIN
    echo 'hey'
END"

if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}


if ($conn->query($sql) === TRUE) {
    echo "Done";
} else {
    echo "Error: " . $sql . "<br>" . $conn->error;
}


?>