У меня есть эта ошибка, и я не знаю, для чего это. любой орган может мне помочь?

Question

Ошибка:

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ''marketer detail'('username','password','phone_number')VALUES('far','$1$gk0.pP4.' at line 1

Это мой PHP код:

<?php 
/
$action=$_POST['action']; 
if ($action=="insert_marketer"){ 
    insert_marketer(); 
} 

function insert_marketer(){ 

    $marketer=mysqli_connect("localhost","root","","marketer detail"); 
    $username = $_POST['username']; 

    var_dump("$username"); 
    $password = $_POST['password']; 
    $phone_number = $_POST['phone_number']; 

    if (!empty($username) && !empty($password)&& !empty($phone_number)){ 

     $password=crypt('$password'); 

     $result = mysqli_query($marketer,"INSERT INTO 'marketer detail'('username','password','phone_number')VALUES('$username','$password','$phone_number')"); 
     if($result) 
     { 
      var_dump('$password'); 
      echo "New record created successfully"; 
     } 
     else { 
      echo "Error: ". mysqli_error($marketer); 
     } 

    } 
    mysqli_close ($marketer) ; 
} 

?> 

Answer 1

INSERT INTO 'marketer detail'('username','password','phone_number')... ->Не используйте одинарные кавычки вокруг имени таблицы & имени столбца

Вместо использования кавычка `

INSERT INTO `marketer detail`(`username`,`password`,`phone_number`)... 

Цитируя первые два абзаца из этого POST

Backticks are to be used for table and column identifiers, but are only necessary when the identifier is a MySQL reserved keyword , or when the identifier contains whitespace characters or characters beyond a limited set (see below) It is often recommended to avoid using reserved keywords as column or table identifiers when possible, avoiding the quoting issue.

Single quotes should be used for string values like in the VALUES() list. Double quotes are supported by MySQL for string values as well, but single quotes are more widely accepted by other RDBMS, so it is a good habit to use single quotes instead of double.

Answer 2

Не используйте single quotes вокруг table name и column name

$result = mysqli_query($marketer,"INSERT INTO marketer detail(username,password,phone_number)VALUES('$username','$password','$phone_number')") or die(mysqli_error($marketer));