Returns the signal which caused the child to stop

# pcntl_wstopsig

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

pcntl_wstopsig — Returns the signal which caused the child to stop

### Description

pcntl_wstopsig(int `$status`): int|false

Returns the number of the signal which caused the child to stop. This function is only useful if pcntl_wifstopped() 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_wifstopped() - Checks whether the child process is currently stopped

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