---
id: selfBLOCKERS_FILTER
title: "Filter - self::BLOCKERS_FILTER"
sidebar_label: "self::BLOCKERS_FILTER"
---

# Filter: self::BLOCKERS_FILTER

Lists superseded products that must stay installed, such as one whose code a theme template uses.

## Parameters

| Name | Type | Description |
|------|------|-------------|
| $blockers | `array` | Rows keyed by superseded text domain. |
| ↳ $files | `string[]` | File names that use the product's code. |
| ↳ $message | `string` | Sentence that says why the product stays and what to do. |

### Since

- TBD: TBD

### Source

Defined in `Licenses/Editions/Supersedes.php` at line 412