How do I add user to admin and database

Question

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This coding works when I run it offline. Then after I put it at cpanel. It fail to add student.

What I have tried:

PHP

<?php
include 'conn.php';

if(isset($_POST['submit'])){
	$username = $_POST['username'];
	$password = $_POST['password'];
	$email    = $_POST['email'];

	
	$query = "INSERT INTO student(username,password,email) VALUES ('$username','$password','$email')";
			  
	$result = mysqli_query($conn,$query);
	
	if($result){
		echo "alert('Success!');
		window.location='managestudent.php'";
	}else{
		echo "alert('Fail !');";
	}
}

?>

Posted 13-May-18 2:20am

Member 13824759

Updated 13-May-18 4:20am

Afzaal Ahmad Zeeshan

v2

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Comments

Richard MacCutchan 13-May-18 9:06am

We cannot guess what that means; you need to provide more details.

Mohibur Rashid 13-May-18 17:23pm

What is cpanel?

1 solution

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Patrice T · Answer 1 · 2018-05-13T04:22:00

PHP

$query = "INSERT INTO student(username,password,email) VALUES ('$username','$password','$email')";

Not a solution to your question, but another problem you have.
Never build an SQL query by concatenating strings. Sooner or later, you will do it with user inputs, and this opens door to a vulnerability named "SQL injection", it is dangerous for your database and error prone.
A single quote in a name and your program crash. If a user input a name like "Brian O'Conner" can crash your app, it is an SQL injection vulnerability, and the crash is the least of the problems, a malicious user input and it is promoted to SQL commands with all credentials.
SQL injection - Wikipedia[^]
SQL Injection[^]
SQL Injection Attacks by Example[^]
PHP: SQL Injection - Manual[^]
SQL Injection Prevention Cheat Sheet - OWASP[^]