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82 lines
1.9 KiB
82 lines
1.9 KiB
<?php
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/**
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* @copyright NetMonsters <team@netmonsters.ru>
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* @link http://netmonsters.ru
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* @package Majestic
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* @subpackage util
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* @since 2010-03-09
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* @version SVN: $Id$
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* @filesource $URL$
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*/
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class Profiler
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{
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protected $start = null;
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protected $end = null;
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protected $queries = array();
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static protected $instance = null;
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private function __construct()
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{
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if (DEBUG == false) {
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throw new GeneralException('Need to turn on DEBUG before use.');
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}
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}
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/**
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* Refuse cloning
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*/
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private function __clone(){}
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/**
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* @return Profiler
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*/
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static public function getInstance()
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{
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if (!isset(self::$instance)) {
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self::$instance = new self();
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}
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return self::$instance;
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}
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/**
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* @param string $query
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* @return QueryProfiler
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*/
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public function profilerQuery($query)
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{
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$profiler = new QueryProfiler($query);
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$this->queries[] = $profiler;
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return $profiler;
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}
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public function start()
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{
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$this->start = microtime(true);
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}
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public function end($html)
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{
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$this->end = microtime(true);
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if (stripos($html, '</body>') == False) {
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return $html;
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}
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return str_ireplace('</body>', $this->getOutput() . '</body>', $html);
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}
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protected function getOutput()
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{
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$html = '<div style="clear:both; font:12px monospace; margin: 5px;">'
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. 'Elapsed time: ' . round(($this->end- $this->start) * 1000) . 'ms.<br/>'
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. 'Queries: ' . count($this->queries) . '<br/>';
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foreach ($this->queries as $query) {
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$html .= '[' . round($query->getElapsed() * 1000) . 'ms] ' . $query->getQuery() . '<br/>';
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}
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$html .= '</div>';
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return $html;
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}
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}
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