private function getSttyColumns()
    {
        if (!function_exists('proc_open')) {
            return null;
        }

        $spec = [
            1 => ['pipe', 'w'],
            2 => ['pipe', 'w'],
        ];

        $process = proc_open('stty -a | grep columns', $spec, $pipes, null, null, ['suppress_errors' => true]);
        if (is_resource($process)) {
            $info = stream_get_contents($pipes[1]);
            fclose($pipes[1]);
            fclose($pipes[2]);
            proc_close($process);

            return $info;
        }

        return null;
    }
private function getSttyColumns()
    {
        if (!function_exists('proc_open')) {
            return null;
        }

        $spec = [
            1 => ['pipe', 'w'],
            2 => ['pipe', 'w'],
        ];

        $process = proc_open('stty -a | grep columns', $spec, $pipes, null, null, ['suppress_errors' => true]);
        if (is_resource($process)) {
            $info = stream_get_contents($pipes[1]);
            fclose($pipes[1]);
            fclose($pipes[2]);
            proc_close($process);

            return $info;
        }

        return null;
    }
private function getSttyColumns ( ) { if ( ! function_exists ( 'proc_open' ) ) { return null ; } $ spec = [ 1 => [ 'pipe' , 'w' ] , 2 => [ 'pipe' , 'w' ] , ] ; $ process = proc_open ( 'stty -a | grep columns' , $ spec , $ pipes , null , null , [ 'suppress_errors' => true ] ) ; if ( is_resource ( $ process ) ) { $ info = stream_get_contents ( $ pipes [ 1 ] ) ; fclose ( $ pipes [ 1 ] ) ; fclose ( $ pipes [ 2 ] ) ; proc_close ( $ process ) ; return $ info ; } return null ; }
Runs and parses stty -a if it's available, suppressing any error output.

@return string|null
Runs and parses stty - a if it s available suppressing any error output .