/**
* Gets all of the used tags from the database
* @since 2.0
*/
function get_all_snippet_tags()
{
/** @var wpdb $wpdb */
global $wpdb;
/* Grab all tags from the database */
$tags = array();
$table = get_snippets_table_name();
$all_tags = $wpdb->get_col("SELECT `tags` FROM {$table}");
/* Merge all tags into a single array */
foreach ($all_tags as $snippet_tags) {
$snippet_tags = code_snippets_build_tags_array($snippet_tags);
$tags = array_merge($snippet_tags, $tags);
}
/* Remove duplicate tags */
return array_values(array_unique($tags, SORT_REGULAR));
}
/**
* Prepare the snippet tags by ensuring they are in the correct format
* @param string|array $tags The tags as provided
* @return array The tags as an array
*/
private function prepare_tags($tags)
{
return code_snippets_build_tags_array($tags);
}
/**
* Unescape snippet data after retrieval from the database
* ready for use
*
* @since 2.0
* @param mixed $snippet An object or array containing the data to unescape
* @return object The resulting snippet object, with data unescaped
*/
function unescape_snippet_data($snippet)
{
$snippet = build_snippet_object($snippet);
/* Ensure the tags are a valid array */
$snippet->tags = code_snippets_build_tags_array($snippet->tags);
return apply_filters('code_snippets/unescape_snippet_data', $snippet);
}
