static function processField($field)
{
global $admin, $bigtree, $cms;
// Check if the field type is stored in an extension
if (strpos($field["type"], "*") !== false) {
list($extension, $field_type) = explode("*", $field["type"]);
$field_type_path = SERVER_ROOT . "extensions/{$extension}/field-types/{$field_type}/process.php";
} else {
$field_type_path = BigTree::path("admin/form-field-types/process/" . $field["type"] . ".php");
}
// If we have a customized handler for this data type, run it.
if (file_exists($field_type_path)) {
include $field_type_path;
// If it's explicitly ignored return null
if ($field["ignore"]) {
return null;
} else {
$output = $field["output"];
}
// Fall back to default handling
} else {
if (is_array($field["input"])) {
$output = $field["input"];
} else {
$output = BigTree::safeEncode($field["input"]);
}
}
// Check validation
if (!BigTreeAutoModule::validate($output, $field["options"]["validation"])) {
$error = $field["options"]["error_message"] ? $field["options"]["error_message"] : BigTreeAutoModule::validationErrorMessage($output, $field["options"]["validation"]);
$bigtree["errors"][] = array("field" => $field["title"], "error" => $error);
}
// Translation of internal links
if (is_array($output)) {
$output = BigTree::translateArray($output);
} else {
$output = $admin->autoIPL($output);
}
return $output;
}
// If we have a customized handler for this data type, run it, otherwise, it's simply the post value.
$field_type_path = BigTree::path("admin/form-field-types/process/" . $resource["type"] . ".php");
if (file_exists($field_type_path)) {
include $field_type_path;
} else {
if (is_array($bigtree["post_data"][$field["key"]])) {
$field["output"] = $bigtree["post_data"][$field["key"]];
} else {
$field["output"] = BigTree::safeEncode($bigtree["post_data"][$field["key"]]);
}
}
// Backwards compatibility with older custom field types
if (!isset($field["output"]) && isset($value)) {
$field["output"] = $value;
}
if (!BigTreeAutoModule::validate($field["output"], $field["options"]["validation"])) {
$error = $field["options"]["error_message"] ? $field["options"]["error_message"] : BigTreeAutoModule::validationErrorMessage($field["output"], $field["options"]["validation"]);
$bigtree["errors"][] = array("field" => $field["options"]["title"], "error" => $error);
}
if (!$field["ignore"]) {
// Translate internal link information to relative links.
if (is_array($field["output"])) {
$field["output"] = BigTree::translateArray($field["output"]);
} else {
$field["output"] = $admin->autoIPL($field["output"]);
}
$bigtree["entry"][$field["key"]] = $field["output"];
}
}
// See if we added anything in pre-processing that wasn't a field in the form.
if (is_array($bigtree["preprocessed"])) {
