Exemplo n.º 1
0
function query_count_occurrences_failure()
{
    global $connection;
    $value = 22;
    $column = "email";
    $table = "user";
    assert(!query_count_occurrences($value, $column, $table));
}
function validate_email($email)
{
    global $errors;
    //$email value in the "email" column of the "user" table
    if (query_count_occurrences($email, "email", "user")) {
        //if it occurs one or more times
        $errors['email_used'] = "The email address has been used, please use another email address.";
    }
}