mMsgs = array();
$this->mStart = microtime(true);
}
static public function instance()
{
if(self::$stInstance == NULL) {
self::$stInstance = new performance_helper();
}
return self::$stInstance;
}
public function start()
{
$this->mStart = microtime(true);
}
public function push($tag,$info = '',$start = NULL)
{
if($start == NULL) {
$start = $this->mStart;
$this->mStart = microtime(true);
}
if(empty($info)) {
$msg = sprintf("%s:%.6f",$tag,microtime(true) - $start);
} else {
$msg = sprintf("%s:%.6f,info=",$tag,microtime(true) - $start);
$msg = $msg.$info;
}
array_push($this->mMsgs,$msg);
}
public static function clear() {
self::instance()->mMsgs = array();
}
public static function format_log() {
foreach(self::instance()->mMsgs as $val) {
echo $val . "
";
}
}
}
function perfor_start()
{
performance_helper::instance()->start();
}
function perfor_end($tag,$info = '')
{
performance_helper::instance()->push($tag,$info);
}
function perfor_period($tag,$start,$info = '')
{
performance_helper::instance()->push($tag,$info,$start);
}