(PHP 4 >= 4.0.7, PHP 5)
pcntl_wexitstatus — Returns the return code of a terminated child
Returns the return code of a terminated child. This function is only useful if pcntl_wifexited() returned TRUE.
El parametro status es un parametro de estado enviado a una llamada con exito de pcntl_waitpid().
Returns the return code, as an integer.