<?php
namespace Automattic\WooCommerce\Admin\RemoteInboxNotifications\Transformers;
use Automattic\WooCommerce\Admin\RemoteInboxNotifications\TransformerInterface;
use InvalidArgumentException;
use stdClass;
/**
* Search array value by one of its key.
*
* @package Automattic\WooCommerce\Admin\RemoteInboxNotifications\Transformers
*/
class ArrayColumn implements TransformerInterface {
/**
* Search array value by one of its key.
*
* @param mixed $value a value to transform.
* @param stdClass|null $arguments required arguments 'key'.
* @param string|null $default default value.
*
* @throws InvalidArgumentException Throws when the required argument 'key' is missing.
*
* @return mixed
*/
public function transform( $value, stdClass $arguments = null, $default = array() ) {
if ( ! is_array( $value ) ) {
return $default;
}
return array_column( $value, $arguments->key );
}
/**
* Validate Transformer arguments.
*
* @param stdClass|null $arguments arguments to validate.
*
* @return mixed
*/
public function validate( stdClass $arguments = null ) {
if ( ! isset( $arguments->key ) ) {
return false;
}
if (
null !== $arguments->key &&
! is_string( $arguments->key ) &&
! is_int( $arguments->key )
) {
return false;
}
return true;
}
}