vd.php

<?php

function vd(...$args)
{
    print_r('<pre style="margin:0;padding:20px;font:14px/1.6 Consolas,monospace;' . 
        'background-color:#eee;color:#333">===<br>');
    foreach ($args as $i => $context) {
        if ($i > 0) {
            print_r('<br>===<br><br>');
        }
        print_r('<b>Parameter ' . $i . ' (' . gettype($context) . '):</b><br>');
        if (!(bool)$context) {
            var_dump($context);
        } else {
            print_r($context);
        }
    }
    print_r('<br>===</pre>');
}

function vdr(...$args)
{
    ob_start();
    vd($args);
    return ob_get_clean();
}

function savefile($fname, $val)
{
	$file = fopen($fname, 'w');
	fwrite($file, print_r($val, true));
	flush();
	fclose($file);
}

function savetempfile($val)
{
	$file = fopen(\Joomla\CMS\Factory::getConfig()->get('tmp_path') . '/dump.log', 'w');
	fwrite($file, print_r($val, true));
	flush();
	fclose($file);
}