a1/get.php

<?php
$dbhost = "localhost";
$dbuser = "root";
$dbpass = "";
$dbname = "osdb";

$conn = mysqli_connect($dbhost, $dbuser, $dbpass, $dbname);
$ans = mysqli_query($conn, "SELECT * FROM osoby");
$json = array();


while ($row = mysqli_fetch_assoc($ans)) {
    $json[] = $row;
}
echo json_encode($json);

?>