/**
* Set the trace depth used in reporting error messages
*
* @param integer $depth.
* Set to a negative number to report all,
* 0 to report none.
*
* @returns integer. The previous value of trace depth.
*/
public static function setTraceDepth($depth)
{
$old_depth = self::$trace_depth;
self::$trace_depth = $depth;
return $old_depth;
}
/**
* See if there were any warning messages set before the site was initialized
* @returns boolean
*/
public static function hasWarnings()
{
return I2CE_Error::hasWarnings();
}