Your IP : 3.14.251.128
<?php
namespace RebelCode\Wpra\Core\Data\Wp;
use ArrayIterator;
use CallbackFilterIterator;
use LogicException;
use OutOfRangeException;
use RebelCode\Wpra\Core\Data\AbstractDataSet;
use WP_Post;
/**
* An implementation of a data set that acts as a wrapper for a WordPress post's meta data.
*
* @since 4.13
*/
class WpPostMetaDataSet extends AbstractDataSet
{
/**
* The WordPress post instance.
*
* @since 4.13
*
* @var WP_Post
*/
protected $post;
/**
* True to include hidden meta data (meta key starts with an underscore).
*
* @since 4.13
*
* @var bool
*/
protected $incHiddenMeta;
/**
* Constructor.
*
* @since 4.13
*
* @param int|string|WP_Post $post The WordPress post instance or post ID.
* @param bool $incHiddenMeta True to include hidden meta data (meta key starts with an underscore).
*/
public function __construct($post, $incHiddenMeta = false)
{
$this->post = ($post instanceof WP_Post) ? $post : get_post($post);
if (!($this->post instanceof WP_Post)) {
throw new OutOfRangeException(
sprintf(__('Post with ID %s does not exist', 'wprss'), $post)
);
}
$this->incHiddenMeta = $incHiddenMeta;
}
/**
* Checks if a meta key is hidden or not.
*
* @since 4.13
*
* @param string $key The meta key to check.
*
* @return bool True if the key is hidden, false otherwise.
*/
protected function isHidden($key)
{
return !$this->incHiddenMeta && strpos($key, '_') === 0;
}
/**
* {@inheritdoc}
*
* @since 4.13
*/
protected function get($key)
{
return get_post_meta($this->post->ID, $key, true);
}
/**
* {@inheritdoc}
*
* @since 4.13
*/
protected function has($key)
{
return metadata_exists('post', $this->post->ID, $key) && !$this->isHidden($key);
}
/**
* {@inheritdoc}
*
* @since 4.13
*/
protected function set($key, $value)
{
if ($this->isHidden($key)) {
throw new LogicException(sprintf('Cannot modify hidden post meta "%s"', $key));
}
update_post_meta($this->post->ID, $key, $value);
}
/**
* {@inheritdoc}
*
* @since 4.13
*/
protected function delete($key)
{
if ($this->isHidden($key)) {
throw new LogicException(sprintf('Cannot delete hidden post meta "%s"', $key));
}
delete_post_meta($this->post->ID, $key);
}
/**
* {@inheritdoc}
*
* @since 4.13
*/
protected function getIterator()
{
$meta = get_post_meta($this->post->ID);
$meta = (is_array($meta) && count($meta) > 0) ? $meta : [];
$array = array_map(function ($v) {
return $v[0];
}, $meta);
$iterator = new ArrayIterator($array);
return new CallbackFilterIterator($iterator, function ($current, $key) {
return !$this->isHidden($key);
});
}
}