PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8
pcntl_wifstopped - Checks whether the child process is currently stopped
pcntl_wifstopped( int$status ): bool
Checks whether the child process which caused the return is currently stopped; this is only possible if the call to pcntl_waitpid was done using the option WUNTRACED.
The status parameter is the status parameter supplied to a successful call to pcntl_waitpid.
Returns true if the child process which caused the return is currently stopped, false otherwise.