ram & time

gistfile1.php

<?php
            self::timer('wmvc_app_start');  // set named start points
            self::ram('wmvc_app_start');
            
//...
            
    /**
     * timer
     *
     * get/set timer values
     *
     * @access  public
     * @param   string $id the timer id to set (or compare with $id2)
     * @param   string $id2 the timer id to compare with $id
     * @return  float  difference of two times
     */    
    public static function timer ($id = null, $id2 = null) {
        static $times = array();
        if ($id !== null && $id2 !== null) {
            return (isset($times[$id]) && isset($times[$id2])) ? ($times[$id2] - $times[$id]) : false;
        } elseif ($id !== null) {
            return $times[$id] = microtime(true);
        }
        return false;
    }

    /**
     * ram
     *
     * get/set ram usage value
     *
     * @access  public
     * @param   string $id the ram id to set (or compare with $id2)
     * @param   string $id2 the ram id to compare with $id
     * @return  string formatted difference of usage
     */    
    public static function ram ($id = null, $id2 = null) {
        static $ram = array();
        static $unit = array('b', 'kb', 'mb', 'gb', 'tb', 'pb');
        if ($id !== null && $id2 !== null) {
            $returnValue = (isset($ram[$id]) && isset($ram[$id2])) ? ($ram[$id2] - $ram[$id]) : false;
            if ($returnValue !== false) {
                return @round($returnValue/pow(1024, ($i = floor(log($returnValue, 1024)))), 2).' '.$unit[$i];
            } else {
                return false;
            }
        } elseif ($id !== null) {
            $ram[$id] = memory_get_usage();
            return @round($ram[$id]/pow(1024, ($i = floor(log($ram[$id], 1024)))), 2).' '.$unit[$i];
        }
        return false;
    }
    
//...
    
            self::timer('wmvc_app_end');  // set end points
            self::ram('wmvc_app_end');
            
            echo self::ram('wmvc_app_start', 'wmvc_app_end');  // echo the difference
            echo self::timer('wmvc_app_start', 'wmvc_app_end');