Question

delete_theme( string $stylesheet,  string $redirect = '' )

Remove a theme

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description

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参数

$stylesheet

(string) (Required) Stylesheet of the theme to delete

$redirect

(string) (Optional) Redirect to page when complete.

Default value: ''

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返回值

(void|bool|WP_Error) When void, echoes content.

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源代码

File: wp-admin/includes/theme.php

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 ) ){
			include_once( ABSPATH . 'wp-admin/admin-header.php');
			echo $data;
			include( ABSPATH . 'wp-admin/admin-footer.php');
			exit;
		}
		return;
	}

	if ( ! WP_Filesystem( $credentials ) ) {
		ob_start();
		request_filesystem_credentials( $redirect, '', true ); // Failed to connect, Error and request again.
		$data = ob_get_clean();

		if ( ! empty($data) ) {
			include_once( ABSPATH . 'wp-admin/admin-header.php');
			echo $data;
			include( 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->get_error_code() )
		return new WP_Error('fs_error', __('Filesystem error.'), $wp_filesystem->errors);

	// Get the base plugin 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.' ) );
	}

	$themes_dir = trailingslashit( $themes_dir );
	$theme_dir = trailingslashit( $themes_dir . $stylesheet );
	$deleted = $wp_filesystem->delete( $theme_dir, true );

	if ( ! $deleted ) {
		return new WP_Error( 'could_not_remove_theme', 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' );
		}
	}

	// Remove the theme from allowed themes on the network.
	if ( is_multisite() ) {
		WP_Theme::network_disable_theme( $stylesheet );
	}

	// Force refresh of theme update information.
	delete_site_transient( 'update_themes' );

	return true;
}

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更新日志

Version	description
2.8.0	Introduced.

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相关函数

Uses

• wp-includes/class-wp-theme.php: WP_Theme::network_disable_theme()
• wp-admin/includes/file.php: request_filesystem_credentials()
• wp-admin/includes/file.php: WP_Filesystem()
• wp-includes/l10n.php: wp_get_installed_translations()
• wp-includes/l10n.php: __()
• wp-includes/formatting.php: trailingslashit()
• wp-includes/load.php: is_multisite()
• wp-includes/functions.php: wp_nonce_url()
• wp-includes/option.php: delete_site_transient()
• wp-includes/load.php: is_wp_error()
• wp-includes/class-wp-error.php: WP_Error::__construct()
Show 6 more uses Hide more uses

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Used By

• wp-admin/includes/ajax-actions.php: wp_ajax_delete_theme()

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User Contributed Notes

1. Skip to note content You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note Contributed by Mitch

   Delete theme ‘twentyseventeen’:

   if(delete_theme('twentyseventeen')) {
        echo 'Twenty Seventeen has been deleted.';
   }