How to convert timestamp to normal time in php - php

Question

I'm trying to convert timestamp from my mysql table in to normal time.
I've tried looking for information on the internet but there is only solutions for timestamps that you entered by hand
<?php
//setting header to
header('Content-Type: application/json');
//database
define('DB_HOST', 'localhost');
define('DB_USERNAME', 'root');
define('DB_PASSWORD', '');
define('DB_NAME', 'bitcoin');
//get connection
$mysqli = new mysqli(DB_HOST, DB_USERNAME, DB_PASSWORD, DB_NAME);
if(!$mysqli){
die("Connection failed: " . $mysqli->error);
}
//query to get data from the table
$query = sprintf("SELECT Kaina, Laiko_Kodas FROM localbtc LIMIT 200");
//execute query
$result = $mysqli->query($query);
//loop through the returned data
$data = array();
foreach ($result as $row) {
$data[] = $row /*("SELECT date_format(Laiko_Kodas) FROM localbtc")*/;
}
//free memory associated with result
$result->close();
//close connection
$mysqli->close();
//now print the data
print json_encode($data);

Answer 1

while($row = $result->fetch_assoc()) {
$data = array();
$data2[]= $row['Kaina'];
$datetime=$row['Laiko_Kodas'];
$data2[] = date('M j Y g:i A', strtotime($datetime));
$dtata[]=$data;
}

Answer 2

Try the following code:
<?php
//setting header to
header('Content-Type: application/json');
//database
define('DB_HOST', 'localhost');
define('DB_USERNAME', 'root');
define('DB_PASSWORD', '');
define('DB_NAME', 'bitcoin');
//get connection
$mysqli = new mysqli(DB_HOST, DB_USERNAME, DB_PASSWORD, DB_NAME);
if(!$mysqli){
die("Connection failed: " . $mysqli->error);
}
//query to get data from the table
$query = "SELECT Kaina, Laiko_Kodas FROM localbtc LIMIT 200";
//execute query
$result = $mysqli->query($query);
//loop through the returned data
$data = array();
foreach ($result as $row) {
$row['Laiko_Kodas'] = date('H:i:s', strtotime($row['Laiko_Kodas']));
$data[] = $row;
}
//free memory associated with result
$result->close();
//close connection
$mysqli->close();
//now print the data
print json_encode($data);