delete_theme() │ WP 2.8.0
Removes a theme.
Return
true|false|null|WP_Error
. True on success, false if $stylesheet is empty, WP_Error on failure. Null if filesystem credentials are required to proceed.
Usage
delete_theme( $stylesheet, $redirect );
- $stylesheet(string) (required)
- Stylesheet of the theme to delete.
- $redirect(string)
- Redirect to page when complete.
Default: ''
Notes
- Global. WP_Filesystem_Base. $wp_filesystem WordPress filesystem subclass.
Changelog
delete_theme() delete theme code
WP 6.6.2
function delete_theme( $stylesheet, $redirect = '' ) {
global $wp_filesystem;
if ( empty( $stylesheet ) ) {
return false;
}
if ( empty( $redirect ) ) {
$redirect = wp_nonce_url( 'themes.php?action=delete&stylesheet=' . urlencode( $stylesheet ), 'delete-theme_' . $stylesheet );
}
ob_start();
$credentials = request_filesystem_credentials( $redirect );
$data = ob_get_clean();
if ( false === $credentials ) {
if ( ! empty( $data ) ) {
require_once ABSPATH . 'wp-admin/admin-header.php';
echo $data;
require_once ABSPATH . 'wp-admin/admin-footer.php';
exit;
}
return;
}
if ( ! WP_Filesystem( $credentials ) ) {
ob_start();
// Failed to connect. Error and request again.
request_filesystem_credentials( $redirect, '', true );
$data = ob_get_clean();
if ( ! empty( $data ) ) {
require_once ABSPATH . 'wp-admin/admin-header.php';
echo $data;
require_once ABSPATH . 'wp-admin/admin-footer.php';
exit;
}
return;
}
if ( ! is_object( $wp_filesystem ) ) {
return new WP_Error( 'fs_unavailable', __( 'Could not access filesystem.' ) );
}
if ( is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
return new WP_Error( 'fs_error', __( 'Filesystem error.' ), $wp_filesystem->errors );
}
// Get the base theme folder.
$themes_dir = $wp_filesystem->wp_themes_dir();
if ( empty( $themes_dir ) ) {
return new WP_Error( 'fs_no_themes_dir', __( 'Unable to locate WordPress theme directory.' ) );
}
/**
* Fires immediately before a theme deletion attempt.
*
* @since 5.8.0
*
* @param string $stylesheet Stylesheet of the theme to delete.
*/
do_action( 'delete_theme', $stylesheet );
$theme = wp_get_theme( $stylesheet );
$themes_dir = trailingslashit( $themes_dir );
$theme_dir = trailingslashit( $themes_dir . $stylesheet );
$deleted = $wp_filesystem->delete( $theme_dir, true );
/**
* Fires immediately after a theme deletion attempt.
*
* @since 5.8.0
*
* @param string $stylesheet Stylesheet of the theme to delete.
* @param bool $deleted Whether the theme deletion was successful.
*/
do_action( 'deleted_theme', $stylesheet, $deleted );
if ( ! $deleted ) {
return new WP_Error(
'could_not_remove_theme',
/* translators: %s: Theme name. */
sprintf( __( 'Could not fully remove the theme %s.' ), $stylesheet )
);
}
$theme_translations = wp_get_installed_translations( 'themes' );
// Remove language files, silently.
if ( ! empty( $theme_translations[ $stylesheet ] ) ) {
$translations = $theme_translations[ $stylesheet ];
foreach ( $translations as $translation => $data ) {
$wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.po' );
$wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.mo' );
$wp_filesystem->delete( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '.l10n.php' );
$json_translation_files = glob( WP_LANG_DIR . '/themes/' . $stylesheet . '-' . $translation . '-*.json' );
if ( $json_translation_files ) {
array_map( array( $wp_filesystem, 'delete' ), $json_translation_files );
}
}
}
// Remove the theme from allowed themes on the network.
if ( is_multisite() ) {
WP_Theme::network_disable_theme( $stylesheet );
}
// Clear theme caches.
$theme->cache_delete();
// Force refresh of theme update information.
delete_site_transient( 'update_themes' );
return true;
}