<?php
class Application{
  public static function main(){
    header("content-type:text/html;charset=utf-8");
    self::register();
    self::commandLine();
    self::pathInfo();
  }
  //自动加载
  public static function loadClass($class){
    $class=str_replace('\\', '/', $class);
    $dir=str_replace('\\', '/', __DIR__);
    $class=$dir."/".$class.".php";
    require_once $class;    
  }
  //命令行下
  public static function commandLine(){
    if(php_sapi_name()=="cli"){
      $_SERVER['PATH_INFO']="";
      foreach ($_SERVER['argv'] as $k=>$v) {
        if($k==0) continue;
        $_SERVER['PATH_INFO'].="/".$v;
      }
    }
  }
  //pathinfo处理
  public static function pathInfo(){
    if(isset($_SERVER['PATH_INFO'])){
      $pathinfo=array_filter(explode("/", $_SERVER['PATH_INFO']));
      for($i=1;$i<=count($pathinfo);$i++){
        $key=isset($pathinfo[$i]) ? $pathinfo[$i] : '';
        $value=isset($pathinfo[$i+1]) ? $pathinfo[$i+1] :"";
        switch ($i) {
          case 1:
            $_GET['m']=ucfirst($key);
            break;
          case 2:
            $_GET['c']=ucfirst($key);
            break;
          case 3:
            $_GET['a']=$key;
            break;
          default:
            if($i>3){
              if($i%2==0){
                $_GET[$key]=$value;
              }
            }
            break;
        }
      }
    }
    $_GET['m']=!empty($_GET['m']) ? ucfirst($_GET['m']) : 'Index';
    $_GET['c']=!empty($_GET['c']) ? ucfirst($_GET['c']) : 'Index';
    $_GET['a']=!empty($_GET['a']) ? $_GET['a'] : 'index';
    $class="\\Controller\\{$_GET['m']}\\{$_GET['c']}";
    $controller=new $class;
    $controller->$_GET['a']();
  }
  //致命错误回调
  public static function shutdownCallback(){
    $e=error_get_last();
    if(!$e) return;
    self::errorHandler($e['type'],'<font color="red">Fatal Error</font> '.$e['message'],$e['file'],$e['line']);
  }
  //错误处理
  protected static function myErrorHandler($errno,$errstr,$errfile,$errline){
    list($micseconds,$seconds)=explode(" ",microtime());
    $micseconds=round($micseconds*1000);
    $micseconds=strlen($micseconds)==1 ? '0'.$micseconds : $micseconds;
    if(php_sapi_name()=="cli"){
      $break="\r\n";
    }else{
      $break="<br/>";
    }
    $mes="[".date("Y-m-d H:i:s",$seconds).":{$micseconds}] ".$errfile." ".$errline." line ".$errstr.$break;
    echo $mes;    
  }
  //注册
  public static function register(){
    error_reporting(0);
    set_error_handler(function($errno,$errstr,$errfile,$errline){
      self::myErrorHandler($errno,$errstr,$errfile,$errline);
    });
    register_shutdown_function(function(){
      self::shutdownCallback();
    });
    spl_autoload_register("self::loadClass");
  }
}

Application::main();

<?php
namespace Controller\Client;

class Cron{
  private $second=0;
  private $tasks=array(
    array("duration"=>5,"method"=>"doSomething"),
    array("duration"=>2,"method"=>"doSomething2"),
  );
  public function index(){
    while (true) {
      sleep(1);
      $this->second++;
      foreach($this->tasks as $task){
        if($this->second%$task['duration']==0){
          $this->$task['method']();
        }
      }
    }
  }
  public function doSomething(){
    echo "[".date("Y-m-d H:i:s",time())."] doSomething1 ok!\r\n";
  }
  public function doSomething2(){
    echo "[".date("Y-m-d H:i:s",time())."] doSomething2 ok!\r\n";
  }
}