sys_replevel [function]
sys_replevel([ level ])
returns the current reported error level and optionally sets a new one
The effects of this function are not reverted automatically at any moment (unless implemented manually with hooks).
old_level = sys_replevel( SGS_ERROR ); // report only errors or worse magic = calculate_magic(); // any warnings are never processed at this point sys_replevel( old_level ); // restore the old reported level