12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091 |
- <?php
- /**
- * Piwik - free/libre analytics platform
- *
- * @link http://piwik.org
- * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
- *
- */
- namespace Piwik;
-
- /**
- *
- */
- class Timer
- {
- private $timerStart;
- private $memoryStart;
-
- /**
- * @return \Piwik\Timer
- */
- public function __construct()
- {
- $this->init();
- }
-
- /**
- * @return void
- */
- public function init()
- {
- $this->timerStart = $this->getMicrotime();
- $this->memoryStart = $this->getMemoryUsage();
- }
-
- /**
- * @param int $decimals
- * @return string
- */
- public function getTime($decimals = 3)
- {
- return number_format($this->getMicrotime() - $this->timerStart, $decimals, '.', '');
- }
-
- /**
- * @param int $decimals
- * @return string
- */
- public function getTimeMs($decimals = 3)
- {
- return number_format(1000 * ($this->getMicrotime() - $this->timerStart), $decimals, '.', '');
- }
-
- /**
- * @return string
- */
- public function getMemoryLeak()
- {
- return "Memory delta: " . MetricsFormatter::getPrettySizeFromBytes($this->getMemoryUsage() - $this->memoryStart);
- }
-
- /**
- * @return string
- */
- public function __toString()
- {
- return "Time elapsed: " . $this->getTime() . "s";
- }
-
- /**
- * @return float
- */
- private function getMicrotime()
- {
- list($micro_seconds, $seconds) = explode(" ", microtime());
- return ((float)$micro_seconds + (float)$seconds);
- }
-
- /**
- * Returns current memory usage, if available
- *
- * @return int
- */
- private function getMemoryUsage()
- {
- if (function_exists('memory_get_usage')) {
- return memory_get_usage();
- }
- return 0;
- }
- }
|