View difference between Paste ID: zaWhZB9R and H2EbwAvL

 <?php
 $koneksi = new mysqli("localhost", "root", "", "db_oop");
 //Jika Koneksi Gagal
 if(mysqli_connect_errno())
 {
     trigger_error("Tidak Dapat Terkoneksi Dengan Database");
 }
 $koneksi->set_charset('UTF-8');
 $username = $_POST['username'];
 $password = $_POST['password'];
 $nama_lengkap = $_POST['nama_lengkap'];
 
-$insert = $koneksi->prepare("INSERT INTO 'tb_login' ('username', 'password', 'nama_lengkap') VALUES (?, ?, ?");
+$sql="INSERT INTO 'tb_login' ('username', 'password', 'nama_lengkap') VALUES (?, ?, ?)";
-$insert->bind_param("sss", $username, $password, $nama_lengkap);
+
-if($insert->execute())
+$insert = $koneksi->prepare($sql);
 if(!$insert){
-    echo "Tersimpan";
+	echo "Prepare failed: (" . $mysqli->errno . ") " . $mysqli->error;
 
-else
+}else{
 	$insert->bind_param("sss", $username, $password, $nama_lengkap);
-    echo "GAGAL INSERT";
+	if($insert->execute())
 	{
     		echo "Tersimpan";
 	}
 	else
 	{
     		echo "GAGAL INSERT";
 	}
 }
 ?>