Mysqli prepared statement php
Question
I am new to prepared statement and I'm figuring out how to do insert. I check all the file and all are working fine except it does not insert and i did not get any error also. Could you please shed some light to this guys.
I notice also that if I do it without a class, prepared statement will work.
index.php
<!DOCTYPE html>
<html>
<head>
<title>Title of the document</title>
</head>
<body>
<form action="insertData.php" method="POST">
<input type="text" name="username" placeholder="username">
<input type="password" name="password" placeholder="password">
<input type="text" name="firstname" placeholder="firstname">
<input type="text" name="email" placeholder="email">
<input type="submit" name="submit" value="submit">
</form>
</body>
</html>
dbh.inc.php
<?php
class Dbh{
private $servername;
private $username;
private $password;
private $dbname;
protected function connect(){
$this->servername = "localhost";
$this->username = "root";
$this->password = "";
$this->dbaname = "test-login-db";
$conn = new mysqli($this->servername, $this->username, $this->password, $this->dbaname);
return $conn;
}
}
?>
dataProcessor.inc.php
<?php
class DataProcess extends Dbh{
public function insertAllUsers($username, $password, $firstname, $email){
$sql = "INSERT INTO user (username, password, firstname, email) VALUES (?, ?, ?, ?)";
$stmt = $this->connect()->prepare($sql);
$stmt->bind_param("ssss", $username, $password, $firstname, $email);
$stmt->execute();
$stmt->close();
}
}
?>
insertData.php
<?php
include "includes/dbh.inc.php";
include "includes/dataProcessor.inc.php";
$username = $_POST['username'];
$password = $_POST['password'];
$firstname = $_POST['firstname'];
$email = $_POST['email'];
$result = new DataProcess();
$result->insertAllUsers($username, $password, $firstname, $email);
?>
1 answers
solution1
0 2018-07-09 10:51:48
Just change your code like below,
dataProcessor.inc.php
$stm = $this->connect();
$stmt = $stm->prepare($sql); // This line
$stmt->bind_param("ssss", $username, $password, $firstname, $email);
$stmt->execute();
$stmt->close();
as per the refernce link - php mysql server gone away
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