metadata.php

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<?php
function elgg_get_metadata_from_id(int $id): ?\ElggMetadata {
    return _elgg_services()->metadataTable->get($id);
}

function elgg_get_metadata(array $options = []) {
    return _elgg_services()->metadataTable->getAll($options);
}

function elgg_delete_metadata(array $options): bool {
    return _elgg_services()->metadataTable->deleteAll($options);
}

function elgg_get_tags(array $options = []) {
    return _elgg_services()->metadataTable->getTags($options);
}