This class describes metadata that can be attached to an \ElggEntity. It is
rare that a plugin developer needs to use this API for metadata. Almost all
interaction with metadata occurs through the methods of \ElggEntity. See its
__set(), __get(), and setMetadata() methods.
public function testCanSaveMetadata()
{
$owner = $this->mocks()->getUser();
_elgg_services()->session->setLoggedInUser($owner);
$object = $this->mocks()->getObject(['owner_guid' => $owner->guid]);
$metadata = new ElggMetadata();
$metadata->entity_guid = $object->guid;
$metadata->name = 'foo';
$metadata->value = 'bar';
$metadata->time_created = _elgg_services()->metadataTable->getCurrentTime()->getTimestamp();
$id = _elgg_services()->metadataTable->iterator + 1;
// Insert
$dbprefix = elgg_get_config('dbprefix');
$sql = "INSERT INTO {$dbprefix}metadata\n\t\t\t\t(entity_guid, name, value, value_type, owner_guid, time_created, access_id)\n\t\t\t\tVALUES (:entity_guid, :name, :value, :value_type, :owner_guid, :time_created, :access_id)";
_elgg_services()->db->addQuerySpec(['sql' => $sql, 'params' => [':entity_guid' => $metadata->entity_guid, ':name' => 'foo', ':value' => 'bar', ':value_type' => 'text', ':owner_guid' => $metadata->owner_guid, ':time_created' => $metadata->time_created, ':access_id' => $metadata->access_id], 'insert_id' => $id]);
$this->assertEquals($id, $metadata->save());
_elgg_services()->session->removeLoggedInUser();
}
/**
* Get exportable metadata values
*
* @param ElggMetadata $metadata
* @return array
*/
function elgg_tokeninput_export_metadata($metadata)
{
if ($metadata instanceof ElggMetadata) {
$type = $metadata->getType();
$subtype = $metadata->getSubtype();
$tag = $metadata->value;
$id = $metadata->id;
} else {
if (is_string($metadata)) {
$type = 'tag';
$subtype = null;
$tag = $metadata;
$id = null;
} else {
return array();
}
}
$export = array('label' => $tag, 'value' => $tag, 'type' => $type, 'subtype' => $subtype, 'html_result' => elgg_view_exists("tokeninput/{$type}/{$subtype}") ? elgg_view("tokeninput/{$type}/{$subtype}", array('tag' => $tag, 'metadata_id' => $id, 'for' => 'result')) : null, 'html_token' => elgg_view_exists("tokeninput/{$type}/{$subtype}") ? elgg_view("tokeninput/{$type}/{$subtype}", array('tag' => $tag, 'metadata_id' => $id, 'for' => 'token')) : null);
$export = elgg_trigger_plugin_hook('tokeninput:entity:export', $type, array('tag' => $tag, 'metadata_id' => $id), $export);
array_walk_recursive($export, function (&$value) {
$value = is_string($value) ? html_entity_decode($value, ENT_QUOTES, 'UTF-8') : $value;
});
return $export;
}
