> For the complete documentation index, see [llms.txt](https://whoisandywhite.gitbook.io/porterwp/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://whoisandywhite.gitbook.io/porterwp/filters/porter_block_folders.md).

# porter\_block\_folders

**Type:** Filter\
**Location:** `includes/traits/blocks.php:79`

```php
apply_filters( 'porter_block_folders', ... );
```

## Description

Modify the value passed through this filter to customise PorterWP behaviour.

## Parameters

| Position | Variable   | Description         |
| -------- | ---------- | ------------------- |
| 1        | `$folders` | Description pending |

## Example

```php
add_filter( 'porter_block_folders', function ( $value ) {
    // Modify value here.
    return $value;
} );
```