Checkout
https://github.com/aubreypwd/wp-forums/blob/topic/delete_theme-example/wp-forums.php
<?php
/*
Plugin Name: wp-forums: delete_theme example?
Plugin URI: https://github.com/aubreypwd/wp-forums/
Description:
Version: 1.0.0
Author: Aubrey Portwood
Author URI: https://twitter.com/aubreypwd
License: GPL2
Topic URI: https://www.ads-software.com/support/topic/delete_theme-example?replies=3
*/
/*
* Copyright 2015 Aubrey Portwood <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* Will delete themes except the one's specified.
*
* Note with this implementation, everytime the
* Dashboard is accessed it deletes all the themes
* except the ones specified.
*
* @author Aubrey Portwood
* @since 1.0.0
*/
function wp_forums_aubreypwd_delete_themes() {
// The current themes.
$themes = wp_get_themes();
// The themes we want to keep (delete the others).
$themes_to_keep = array(
// Replace this with the theme(s) you created or don't want deleted.
'twentyeleven', // Going to leave at least one active.
'another-theme',
);
// Loop through installed themes.
foreach ( $themes as $theme ) {
// This is the name of the theme.
$name = $theme->get_template();
// If it's not one we want to keep...
if ( ! in_array( $name, $themes_to_keep ) ) {
$stylesheet = $theme->get_stylesheet();
// Delete the theme.
delete_theme( $stylesheet, false );
}
}
}
add_action( 'admin_init', 'wp_forums_aubreypwd_delete_themes' );
In this example, we specify the themes we want to keep, loop through the themes installed and delete the one’s we haven’t specified to keep. Should help you get started ?? Thanks for requesting this, was fun to learn.