trader_errno(3) php man page | unix.com

TRADER_ERRNO(3) 							 1							   TRADER_ERRNO(3)

trader_errno - Get error code

SYNOPSIS
       integer trader_errno (void  )

DESCRIPTION
	Get error code of the last operation.

RETURN VALUES
       Returns the error code identified by one of the TRADER_ERR_* constants.

PHP Documentation Group 													   TRADER_ERRNO(3)