PHP Manual
PCNTL Functions
Returns the signal which caused the child to terminate

pcntl_wtermsig

(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)

pcntl_wtermsig — Returns the signal which caused the child to terminate

Description

pcntl_wtermsig(int $status): int|false

Returns the number of the signal that caused the child process to terminate. This function is only useful if pcntl_wifsignaled() returned true.

Parameters

status: The status parameter is the status parameter supplied to a successful call to pcntl_waitpid().

Return Values

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

See Also

pcntl_waitpid() - Waits on or returns the status of a forked child
pcntl_signal() - Installs a signal handler
pcntl_wifsignaled() - Checks whether the status code represents a termination due to a signal