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<?php
namespace ipl\Validator;
/**
* Validates whether the value exists in the haystack created by the callback
*/
class DeferredInArrayValidator extends InArrayValidator
{
/** @var callable Callback to create the haystack array */
protected $callback;
/**
* Create a new deferredInArray validator
*
* **Required parameter:**
*
* - `callback`: (`callable`) The callback to create haystack
*
* **Optional parameter:**
*
* *options: (`array`) Following option can be defined:*
*
* * `strict`: (`bool`) Whether the types of the needle in the haystack should also match, default `false`
*
* @param callable $callback Validation callback
* @param array $options
*/
public function __construct(callable $callback, array $options = [])
{
$this->callback = $callback;
parent::__construct($options);
}
public function getHaystack(): array
{
return $this->haystack ?? call_user_func($this->callback);
}
/**
* Set the callback
*
* @param callable $callback
*
* @return $this
*/
public function setCallback(callable $callback): self
{
$this->haystack = null;
$this->callback = $callback;
return $this;
}
}
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