pcntl_wstopsig

Returns the signal which caused the child to stop

 **pcntl_wstopsig** int $status

Returns the number of the signal which caused the child to stop. This function is only useful if returned true. pcntl_wifstopped

status

Returns the signal number. If the functionality is not supported by the OS, false is returned.

pcntl_waitpid``pcntl_wifstopped

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