<?php
$general = array("one", "two", "three");


foreach ($general as $value) {
    $$value = $value;
}

echo $one;
echo $two;
echo $three;

<?php
$out[] = json_decode(file_get_contents('php://input'));
$out[] = 100;
$out[] = $_POST;
echo json_encode($out);
?>

$connection = mysqli_connect(host: 'localhost', user: 'root', password: 'root');
$select_db = mysqli_select_db(link: $connection, dbname:  'practice');

$connection = mysqli_connect('localhost', 'root', 'root');
$select_db = mysqli_select_db($connection, 'practice');