(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)
pcntl_wifsignaled — Checks whether the status code represents a termination due to a signal
$status): boolChecks whether the child process exited because of a signal which was not caught.
statusThe status
parameter is the status parameter supplied to a successful
call to pcntl_waitpid().
Returns true if the child process exited because of a signal which was
not caught, false otherwise.