John Regan

<p>This plugin adds a simple button to the post editor screen which allows editors to duplicate posts quickly and easily.  It’s so simple that no configuration is necessary!</p>
<p><strong>Features</strong></p>
<ul>
<li>Copies with just one click!</li>
<li>Make duplicates from the List or Edit Post view</li>
<li>No configuration needed</li>
<li>Works for all Post Types</li>
<li>Integrates seamlessly with the WordPress UI</li>
<li>Extremely lightweight (~8KB)</li>
<li>Thorough Documentation</li>
</ul>


Simple Copy Post Button

Copies/Duplicates Posts, Pages, and Custom Post Types with just one click.

Globalis

David Daugreilh

Julien OGER

Pierre Dargham

<p>MultiSite Clone Duplicator adds a “Duplicate Site” functionality to your network installation.</p>
<p>It allows you to clone any site of your network into a new one : all data, files, users and roles can be copied.</p>
<p>It is useful when you want to create multiple sites from the same template : Don’t waste your time copying the same configuration again and again !</p>
<p>Simple and user-friendly, this plugin extends WordPress core network’s functionalities without polluting the dashboard.</p>
<p>WARNING : If you clone the primary site, you must use <code>mucd_default_primary_tables_to_copy</code> filter to declare plugins and custom database tables, or your cloned site won’t be complete</p>
<h4>Features:</h4>
<ul>
<li>Clones any site of your wordpress multisite installation</li>
<li>Copies all posts and settings</li>
<li>Generates log files (if option is checked)</li>
<li>Copy all files from duplicated site (if option is checked)</li>
<li>Keep users and roles from duplicated site (if option is checked)</li>
<li>Configure which site is clonable (so you can define an unique “pattern” site)</li>
<li>Fully hookable</li>
<li>Command line ready (provides a WP-CLI subcommand)</li>
</ul>
<h3>Hooks</h3>
<h4>Action : mucd_before_copy_files / mucd_after_copy_files</h4>
<p>Action before / after copying files<br />
<strong>Args :</strong></p>
<ol>
<li>Int : from_site_id</li>
<li>Int : to_site_id</li>
</ol>
<h4>Action : mucd_before_copy_data / mucd_after_copy_data</h4>
<p>Action before / after copying data<br />
<strong>Args :</strong></p>
<ol>
<li>Int : from_site_id</li>
<li>Int : to_site_id</li>
</ol>
<h4>Action : mucd_before_copy_users / mucd_after_copy_users</h4>
<p>Action before / after copying users<br />
<strong>Args :</strong></p>
<ol>
<li>Int : from_site_id</li>
<li>Int : to_site_id</li>
</ol>
<h4>Filter : mucd_copy_blog_data_saved_options</h4>
<p>Filter options that should be preserved in the new blog (original values from created blog will not be erased by copy of old site’s tables)<br />
<strong>Args :</strong></p>
<ol>
<li>Array of string : option_name</li>
</ol>
<h4>Filter : mucd_default_fields_to_update</h4>
<p>Filter fields to scan for an update after data copy<br />
<strong>Args :</strong></p>
<ol>
<li>Array of ( ‘table_name’ => array(‘field_1’, ‘field_2’ …));</li>
</ol>
<h4>Filter : mucd_default_primary_tables_to_copy</h4>
<p>Filter tables to duplicate when duplicated site is primary site<br />
<strong>Args :</strong></p>
<ol>
<li>Array of string table_name</li>
</ol>
<h4>Filter : mucd_copy_dirs</h4>
<p>Filter directories and files you want to copy<br />
<strong>Args :</strong></p>
<ol>
<li>Array of string : dirs</li>
<li>Int : from_site_id</li>
<li>Int : to_site_id</li>
</ol>
<h4>Filter : mucd_string_to_replace</h4>
<p>Filter which strings we want to replace during update<br />
<strong>Args :</strong></p>
<ol>
<li>String : string_to_replace</li>
<li>Int : from_site_id</li>
<li>Int : to_site_id</li>
</ol>
<h3>WP-CLI arguments</h3>
<p>Arguments are :</p>
<pre><code>wp site duplicate --slug=<slug> --source=<site_id> [--title=<title>]
  [--email=<email>] [--network_id=<network-id>] [--private] [--porcelain] [--v]
  [--do_not_copy_files] [--keep_users] [--log=<dir_path>]<h3>Thank’s</h3>
</code></pre>
<p>The original version of this plugin has been developed by <a href="https://github.com/julienOG" rel="nofollow ugc">Julien OGER</a> who keeps following the project carefully.</p>
<p>Some code for search and replace in SQL serialised data were initialy taken from <a href="https://github.com/lpointet/wordpress_migration" rel="nofollow ugc">Lionel Pointet WordPress Migration tool</a></p>


MultiSite Clone Duplicator

Did the job - i love the terminal feature which prevents you from script timeouts. 

Great Plugin

A must-have when working with multiple sites.

Fantastic plugin

Clones an existing site into a new one in a multisite installation : copies all posts, settings and files

Simple Copy Post Button vs MultiSite Clone Duplicator