devsmt

// get a reference of your connections someware
$GLOBALS['__db_link'] = mysqli_connect($__dbaddress,$__login,$__password,$__dbname);
if (mysqli_connect_errno()) {
     die(mysqli_connect_error());
}
// php7 emulation
function mysql_query($rs) { return mysqli_query($GLOBALS['__db_link'], $rs); }
function mysql_fetch_assoc($rs) { return mysqli_fetch_assoc($rs); }
function mysql_fetch_array($rs) { return mysqli_fetch_array($rs); }
function mysql_fetch_row($rs) { return mysqli_fetch_row($rs); }

devsmt

        // php7 emulation of apc_* functions
        if (!function_exists('apc_fetch')) {
            function apc_fetch($key) {
                return apcu_fetch($key);
            }
            function apc_exists($keys) {
                return apcu_exists($keys);
            }
            function apc_delete($key) {
                return apcu_delete($key);

devsmt

#!/usr/bin/env php
<?php
declare (strict_types = 1);
/*
proof of concept of the inner workings of a Block Chain
 */
class BlockChain {
    public string $path;
    public array $data;
    public function __construct(string $path) {