This plug-in lets you dump database and files to one final zip file.
Key features:
<ul>
<li>simple usage, just press one button</li>
<li>dump your installation for backup or different usage (e.g. local XAMP)</li>
<li>uses server side ZIP (faster than php)</li>
</ul>

WP-Dump

borantula

A plugin to include var-dump package to use dump function while developing or debugging. It works with PHP 5.5.9+.
After installing the plugin, if you have the sufficient PHP version you can start using dump() function.
Original var-dump package used in this plugin: https://github.com/symfony/var-dumper

VarDumper

A plugin to include var-dump package to use dump() function while developing or debugging.

WP-Dump vs VarDumper