Právě prohlížíš: Timer.class.php
Zpět do složkyStáhnout
  1. <?php
  2. class Timer implements ArrayAccess/* Iterator */ {
  3.   private $start = 0;
  4.   private $startm = 0;
  5.   private $last = 0;
  6.   private $lastm = 0;
  7.   public $laps = array();   //name => array(t,tm)
  8.   public $floats = true;
  9.   public function __construct() {
  10.     $start = $this->getTime();
  11.     $this->last=$this->start = $start[0];
  12.     $this->lastm=$this->startm = $start[1];
  13.     //$start[2] = "START";
  14.     $laps["START"] = $start;
  15.     //var_dump($start,$this->start, $this->startm);
  16.   }
  17.   public function lap($lapname=NULL) {
  18.     if(is_string($lapname)&&strpos($lapname,"-")!==false)
  19.       return trigger_error("Timer::lap() -> Lap name must not contain \"-\" /minus/ character!",E_USER_WARNING)&&false;
  20.     $now = $this->getTime();
  21.     $this->last = $now[0];
  22.     $this->lastm = $now[1];
  23.  
  24.     if(is_string($lapname)||is_int($lapname))
  25.       $this->laps[$lapname]=$now;
  26.     else
  27.       $this->laps[]=$now;
  28.   }
  29.   public function __invoke($lapname=NULL) {
  30.     $this->lap($lapname);
  31.   }  
  32.   private function getTime() {
  33.     $start = explode(" ",microtime());
  34.     $r = array();
  35.     $r[] = (int)$start[1];
  36.     $r[] = (int)substr($start[0],2,9);
  37.     return $r;
  38.   }
  39.   private function diffTime($time,$time2=null,$micro=true) {
  40.     if(!is_array($time))
  41.       $time = array((int)$time,0);
  42.     if(!is_array($time2))
  43.       $time2 = array($this->start,$this->startm);
  44.     /*if($micro) {
  45.       $dm = $time2[1]-$time[1];  
  46.       if($dm<0&&$time2[0]>=$time[0]) {                  //Pokud je mikro rozdil mensi nez 0
  47.         $time2[0]--;
  48.         $dm=1-$dm;      
  49.       }
  50.       elseif($dm>0&&$time2[0]<=$time[0]) {
  51.         $time2[0]++;
  52.         $dm=$dm-1; 
  53.       }
  54.     } 
  55.     else $dm=0;    
  56.     $d = abs($time2[0]-$time[0]);    */
  57.     $time = $time[0]+$time[1]/1000000000;
  58.     $time2 = $time2[0]+$time2[1]/1000000000;
  59.     $d = abs($time-$time2);
  60.     //$dm = round(($d-floor($d))*1000000000);
  61.     //$d = floor($d);
  62.     return $this->toArray($d);
  63.   }
  64.   private function toFloat(array $time) {
  65.     return $time[0]+$time[1]/1000000000;
  66.   }
  67.   private function toArray($time) {
  68.     $dm = round(($time-floor($time))*1000000000);
  69.     $d = floor($time);
  70.     return array((int)$d,(int)$dm);
  71.   }
  72.   public function range($lap,$lap2,$float=true) {
  73.     if(!isset($this->laps[$lap]))
  74.       return trigger_error("Timer::range -> Lap \"$lap\" not found.",E_USER_WARNING)&&false;
  75.     if(!isset($this->laps[$lap2]))
  76.       return trigger_error("Timer::range -> Lap \"$lap2\" not found.",E_USER_WARNING)&&false;
  77.     $diff = $this->diffTime($this->laps[$lap],$this->laps[$lap2]);
  78.     if($float) 
  79.       return $diff[0]+$diff[1]/1000000000;
  80.     return $diff;
  81.   }
  82.   public function started() {
  83.     return array($this->start,$this->startm);  
  84.   }
  85.   public function offsetSet($offset, $value) {
  86.     if (is_null($offset)) $this->lap();
  87.     else $this->lap($offset);   
  88.   }   
  89.   public function offsetExists($offset) {
  90.     return isset($this->laps[$offset]);
  91.   }
  92.   public function offsetUnset($offset) {
  93.     unset($this->laps[$offset]);
  94.   }
  95.   public function offsetGet($offset) {
  96.     if(strpos($offset,"-")!==false) {
  97.       $offset = explode("-",$offset);
  98.       if($offset[0]=="") 
  99.         $offset[0] = $this->started();
  100.       if($offset[count($offset)-1]=="") 
  101.         $offset[count($offset)-1] = $this->getTime();
  102.       foreach($offset as &$val) {
  103.         if(is_array($val)) 
  104.           continue;
  105.         if(!isset($this->laps[$val])) {
  106.           trigger_error("Timer::[] -> offset \"$val\" does not exist!",E_USER_NOTICE);
  107.           unset($val);
  108.           continue;
  109.         }
  110.         $val = $this->laps[$val];      
  111.       }
  112.       $diff = array();
  113.       //$names = array_keys($offset);
  114.       for($i=0; $i<count($offset)-1; $i++) {
  115.         $diff[] = $this->floats?$this->toFloat($this->diffTime($offset[$i],$offset[$i+1])):$this->diffTime($offset[$i],$offset[$i+1]);
  116.       }
  117.       if(count($diff)==1)
  118.         return $diff[0];
  119.       //var_dump($offset);
  120.       return $diff; 
  121.     } 
  122.     if($this->floats)
  123.       return $this->toFloat($this->laps[$offset]);
  124.     return $this->laps[$offset];   
  125.   }
  126. }
  127. ?>
  128.  
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