Alert: This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.

_wp_delete_all_temp_backups(): void|WP_Error

Deletes all contents in the temporary backup directory.


Return

void|WP_Error Void on success, or a WP_Error object on failure.


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Source

File: wp-includes/update.php. View all references

function _wp_delete_all_temp_backups() {
	global $wp_filesystem;

	if ( ! function_exists( 'WP_Filesystem' ) ) {
		require_once ABSPATH . '/wp-admin/includes/file.php';
	}

	ob_start();
	$credentials = request_filesystem_credentials( '' );
	ob_end_clean();

	if ( false === $credentials || ! WP_Filesystem( $credentials ) ) {
		return new WP_Error( 'fs_unavailable', __( 'Could not access filesystem.' ) );
	}

	if ( ! $wp_filesystem->wp_content_dir() ) {
		return new WP_Error( 'fs_no_content_dir', __( 'Unable to locate WordPress content directory (wp-content).' ) );
	}

	$temp_backup_dir = $wp_filesystem->wp_content_dir() . 'upgrade-temp-backup/';
	$dirlist         = $wp_filesystem->dirlist( $temp_backup_dir );
	$dirlist         = $dirlist ? $dirlist : array();

	foreach ( array_keys( $dirlist ) as $dir ) {
		if ( '.' === $dir || '..' === $dir ) {
			continue;
		}

		$wp_filesystem->delete( $temp_backup_dir . $dir, true );
	}
}


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Changelog

Changelog
Version Description
6.3.0 Introduced.

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