assigned $output from search form not printing - php

Question

I trying to create a search form but there is something wrong with the $output .= , can't figure it out. I followed a tutorial and the function is working, but since $output isn't assigned correct, it prints nothing or only the . .
Here is the code:
<?php
$output= "";
if(isset($_POST['fornamn'])) {
$searchq = $_POST['fornamn'];
$resultat = mysqli_query($conn, "SELECT * FROM Garanti_tekniker91 WHERE fornamn LIKE '%searchq%' OR efternamn LIKE '%$searchq%'") OR die(mysqli_error());
$rader = mysqli_num_rows($resultat);
if($rader == 0) {
$output = 'Finns inga resultat för: "' . $searchq . '"';
}
else
{
while ($row = mysqli_fetch_array($resultat)) {
$garantinummer = $row['garantinummer'];
$fornamn = $row['fornamn'];
$efternamn = $row['efternamn'];
$telefon = $row['telefon'];
$output .= '<p>'. $fornamn . '</p>';
}
}
}
else {
header("location: ./");
}
print("$output");
mysqli_close($conn);
?>

Answer 1

First of all, you should prepare your variable:
$searchq = filter_var($_POST['fornamn'], FILTER_SANITIZE_STRING);
next, please use { ... } if you put variables in a quoted string:
$resultat = mysqli_query($conn, "SELECT * FROM Garanti_tekniker91 WHERE fornamn LIKE '%{$searchq}%' OR efternamn LIKE '%{$searchq}%'") OR die(mysqli_error($conn));
and as told the commentator above - you skipped $ in your query.

Answer 2

This code is up on support.mewebbdesign.se if you guys want to test it.
Updated code:
<?php $servername = "entered";
$username = "entered";
$password = "entered";
$dbname = "entered";
// Create connection
$conn = mysqli_connect($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Kunde inte koppla upp.: " . $conn->connect_error);
}
else {
echo "Uppkopplad <br/><br/>";
}
?>
<?php
$output= "";
if(isset($_POST['fornamn'])) {
$searchq = filter_var($_POST['fornamn'], FILTER_SANITIZE_STRING);
$resultat = mysqli_query($conn, "SELECT * FROM Garanti_tekniker91 WHERE fornamn LIKE
'%{$searchq}%' OR efternamn LIKE '%{$searchq}%'") OR die(mysqli_error($conn));
$rader = mysqli_num_rows($resultat);
if($rader == 0) {
$output = 'Finns inga resultat för: "' . $searchq . '"';
}
else
{
while ($row = mysqli_fetch_array($resultat)) {
$garantinummer = $row['garantinummer'];
$fornamn = $row['fornamn'];
$efternamn = $row['efternamn'];
$telefon = $row['telefon'];
$output .= '<p>'. $fornamn . '</p>';
}
}
}
else {
header("location: ./");
}
print("$output");
mysqli_close($conn);
?>