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get_resource_data()

Parameters

ColumnTypeDefaultDescription
$ref
$cache true

Location

include/resource_functions.php lines 418 to 469

Definition

 
function get_resource_data($ref,$cache=true)
    {
    if ((string)(int)$ref != (string)$ref)
        {
        return false;
        }
    # Returns basic resource data (from the resource table alone) for resource $ref.
    # For 'dynamic' field data, see get_resource_field_data
    global $default_resource_type, $get_resource_data_cache;
    if ($cache && isset($get_resource_data_cache[$ref])) {return $get_resource_data_cache[$ref];}
    truncate_cache_arrays();

    # Build a string that will return the 'join' columns (not actually joins but cached truncated metadata stored at the resource level)
    $joins=get_resource_table_joins();
    $join_fields = empty($joins) ? '' : ',' . implode(',', array_map(prefix_value('field'), $joins));

    $resource=ps_query("SELECT " . columns_in("resource") . $join_fields . " FROM resource WHERE ref=?",array("i",$ref));
    if (count($resource)==0)
        {
        if ($ref>=0)
            {
            return false;
            }
        else
            {
            # For upload templates (negative reference numbers), generate a new resource if upload permission.
            if (!(checkperm("c") || checkperm("d"))) {return false;}
            elseif(!hook('replace_upload_template_creation', '', array($ref)))
                {
                global $userref;
                $user = $userref;

                $default_archive_state = get_default_archive_state();
                ps_query("INSERT INTO resource (ref,resource_type,created_by, archive) VALUES (?,?,?,?)",
                    ["i",$ref,"i",$default_resource_type,"i",$user,"i",$default_archive_state]
                );

                $resource = ps_query("SELECT " . columns_in("resource") . " FROM resource WHERE ref=?",array("i",$ref));
                }
            }
        }

    if (isset($resource[0]))
        {
        $get_resource_data_cache[$ref]=$resource[0];
        return $resource[0];
        }
    else
        {
        return false;
        }
    }

This article was last updated 17th November 2024 15:35 Europe/London time based on the source file dated 15th November 2024 18:30 Europe/London time.