簡易計測

gistfile1.php

<?php 
// 簡易計測クラス
class Keisoku
{
  private static $_m = 0;
  private static $_t = 0;
  public static function start(){
    self::$_t = microtime(true);
    self::$_m = memory_get_usage(true);
  }
  public static function end(){
    self::$_t = microtime(true)        - self::$_t;
    self::$_m = memory_get_usage(true) - self::$_m;
  }
  public static function out(){
    self::$_t = (self::$_t>0.0001)? self::$_t : 0;
    echo 'time : ' . self::$_t           . " sec\n";
    echo 'mem  : ' . self::$_m/1000/1000 . " Mbyte\n";
  }
}

Keisoku::start();

// 何か処理
for($i=0, $arr=array(); $i<10000; $i++){
  $arr[]=$i;
}

Keisoku::end();
Keisoku::out();