php man page for pcntl_wstopsig

PCNTL_WSTOPSIG(3)							 1							 PCNTL_WSTOPSIG(3)

pcntl_wstopsig - Returns the signal which caused the child to stop

SYNOPSIS
       int pcntl_wstopsig (int	$status)

DESCRIPTION
	Returns the number of the signal which caused the child to stop. This function is only useful if pcntl_wifstopped(3) returned TRUE.

PARAMETERS
	      o $status
		-The $status parameter is the status parameter supplied to a successful call to pcntl_waitpid(3).

RETURN VALUES
	Returns the signal number.

SEE ALSO
       pcntl_waitpid(3), pcntl_wifstopped(3).

PHP Documentation Group 													 PCNTL_WSTOPSIG(3)