<?

function writeToLog($data, $title = '')
{
    $log = "\n------------------------\n";
    $log .= date("Y.m.d G:i:s") . "\n";
    $log .= (strlen($title) > 0 ? $title : 'DEBUG') . "\n";
    $log .= print_r($data, 1);
    $log .= "\n------------------------\n";
    file_put_contents(getcwd() . '/hookYA.log', $log, FILE_APPEND);
    return true;
}

writeToLog('ok');