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---
title: seek (protected)
---

```php
seek (
    string $selector
    , array &$ret
    , string $parent_cmd
    [, bool $lowercase = false ]
)
```

| Parameter     | Description
| ---------     | -----------
| `selector`    | The current selector.
| `ret`         | Previous return value (starting point).
| `parent_cmd`  | The combinator used before the current selector.
| `lowercase`   | Matches tag names case insensitive (lowercase) if enabled.

Starts by searching for child elements of `$ret` that match the specified selector. Adds matching elements to `$ret` (for the next iteration).