Knowledge Base

get_resource_type_from_extension()

Description

If required, truncate to 255 characters - {@see https://en.wikipedia.org/wiki/Comparison_of_file_systems#Limits}

if (mb_strlen($filename, 'UTF-8') > 255)
{
$filename = mb_strcut($filename, 0, 255, 'UTF-8');
}

if ($filename !== '')
{
return $filename;
}

debug('[get_download_filename] Invalid download filename, fall back.');
return (string) preg_replace('/(:|\r\n|\r|\n)/', '_', strip_tags(nl2br($fallback_filename)));
}



Get resource type ID based on extension
$mappings = array(resource_type_id => array(allowed_extensions));

Example of mapping array:
$mappings = array(2 => array('pdf', 'doc', 'docx', 'epub', 'ppt', 'pptx', 'odt', 'ods', 'tpl'));

Parameters

Column	Type	Default	Description
$extension	string		Extension we search by (ie. "mp4")
$resource_type_extension_mapping	array		Maps between resource types and extensions
$default	integer		The default value to use in case we can't find it the mappings

Return

integer

Resource type ID

Location

include/resource_functions.php lines 8527 to 8553

Definition

 
function get_resource_type_from_extension($extension, array $resource_type_extension_mapping, $default)
    {
    $resource_types = ps_array("SELECT ref AS value FROM resource_type",array());
    foreach($resource_type_extension_mapping as $resource_type_id => $allowed_extensions)
        {
        if (!checkperm('T' . $resource_type_id))
            {
            if(in_array(strtolower($extension), $allowed_extensions))
                {
                    if(in_array($resource_type_id, $resource_types))
                    {
                    return $resource_type_id;
                    }
                }
            }
        }
    if(in_array($default, $resource_types))
        {
        return $default;
        }
    else
        {
        // default resource type does not exist so use the first available type
        sort($resource_types,SORT_NUMERIC);
        return $resource_types[0];
        }
    }


This article was last updated 2nd December 2023 09:05 Europe/London time based on the source file dated 30th November 2023 17:05 Europe/London time.