PHP / MySQL查询没有执行

Question

标题显示我的PHP / MySQL查询没有执行

有些人可以看看你做错了吗？

  $name = ((isset($_POST['name']))?sanitize($_POST['name']):'');
  $email = ((isset($_POST['email']))?sanitize($_POST['email']):'');
  $password = ((isset($_POST['password']))?sanitize($_POST['password']):'');
  $confirm = ((isset($_POST['confirm']))?sanitize($_POST['confirm']):'');
  $errors = array();
  if($_POST){
    $emailQuery =$db->query("SELECT  FROM users1 WHERE email = '$email'");
    $emailCount = mysqli_num_row($emailQuery);

        if($emailCount != 0){
          $errors[] = 'That email already exists in our database.';
        }

Answer 1

代码中的两个问题

1. 您的查询中缺少*
2. mysqli_num_row应该是mysqli_num_rows

这是正确的代码

  $name = ((isset($_POST['name']))?sanitize($_POST['name']):'');
  $email = ((isset($_POST['email']))?sanitize($_POST['email']):'');
  $password = ((isset($_POST['password']))?sanitize($_POST['password']):'');
  $confirm = ((isset($_POST['confirm']))?sanitize($_POST['confirm']):'');
  $errors = array();
  if($_POST){
    $emailQuery =$db->query("SELECT * FROM users1 WHERE email = '$email'");
    $emailCount = mysqli_num_rows($emailQuery);

        if($emailCount != 0){
          $errors[] = 'That email already exists in our database.';
        }