Profiler, Phase 1.
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Josh Sherman
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28525dcf08
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4 changed files with 207 additions and 3 deletions
175
classes/Profiler.php
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175
classes/Profiler.php
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<?php
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/**
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* Profiler
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*
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* PHP version 5
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*
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* Licensed under the GNU General Public License Version 3
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* Redistribution of these files must retain the above copyright notice.
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*
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* @package PICKLES
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* @author Josh Sherman <josh@phpwithpickles.org>
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* @copyright Copyright 2007-2010, Gravity Boulevard, LLC
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* @license http://www.gnu.org/licenses/gpl.html GPL v3
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* @link http://phpwithpickles.org
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*/
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/**
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* Profiler Class
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*
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* The Profiler class is statically interfaced with and allows for in depth
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* profiling of a site. By default profiling is off, but can be enabled in the
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* config.ini for a site. Out of the box the profiler will report on every
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* class object in the system that extends the code Object class.
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*
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* Note: I really wanted to use PHP Quick Profiler by Ryan Campbell of
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* Particletree but it kept barking out errors when I tried to use it. Here's
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* a link anyway: http://particletree.com/features/php-quick-profiler/
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*
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* @usage <code>Profiler::log('started stuff');</code>
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*/
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class Profiler
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{
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/**
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* Profile
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*
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* Array of logged events
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*
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* @static
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* @access private
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* @var array
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*/
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private static $profile = array();
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/**
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* Constructor
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*
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* Private constructor since this class is interfaced wtih statically.
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*
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* @access private
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*/
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private function __construct()
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{
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}
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/**
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* Log
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*
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* Logs the event to be displayed later on. Due to the nature of how much
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* of a pain it is to determine which class method called this method I
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* opted to make the method a passable argument for ease of use. Perhaps
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* I'll revisit in the future. Handles all elapsed time calculations and
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* memory usage.
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*
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* @static
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* @param mixed $data data to log
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* @param string $method name of the class method being logged
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*/
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public static function log($data, $method = false)
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{
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$time = microtime(true);
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$type = gettype($data);
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// Tidys the data by type
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switch ($type)
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{
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case 'array':
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$log = '<pre>' . print_r($data, true) . '</pre>';
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break;
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case 'object':
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$log = 'object: <span style="color:#69c">' . get_class($data) . '</span>'
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. ($method != '' ? '<span style="color:#666">-></span><span style="color:#4eed9e">' . $method . '</span><span style="color:#666">()</span>' : '');
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break;
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case 'string':
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default:
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$log = $data;
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break;
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}
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self::$profile[] = array(
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'log' => $log,
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'type' => gettype($data),
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'time' => $time,
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'elapsed' => $time - PICKLES_START_TIME,
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'memory' => memory_get_usage(),
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);
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}
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/**
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* Report
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*
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* Generates the Profiler report that is displayed by the Controller.
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* Contains all the HTML needed to display the data properly inline on the
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* page. Will generally be displayed after the closing HTML tag.
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*/
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public static function report()
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{
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$start_time = PICKLES_START_TIME;
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$end_time = self::$profile[count(self::$profile) - 1]['time'];
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$duration = ($end_time - $start_time) * 100;
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?>
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<style>
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#pickles-profiler
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{
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background: #212121;
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width: 600px;
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margin: 0 auto;
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margin-top: 20px;
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margin-bottom: 20px;
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border-radius: 20px;
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-moz-border-radius: 20px;
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-webkit-border-radius: 20px;
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box-shadow: 0 0 8px #999;
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-moz-box-shadow: 0 0 8px #999;
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-webkit-box-shadow: 0 0 8px #999;
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padding: 10px 20px 20px;
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font-family: monospace;
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font-size: 1em;
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}
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#pickles-profiler table
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{
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width: 100%;
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}
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#pickles-profiler table tr th, #pickles-profiler table tr td
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{
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padding: 10px;
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}
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#pickles-profiler .odd
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{
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background-color: #323232;
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}
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</style>
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<div id="pickles-profiler">
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<table>
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<tr>
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<th style="text-align:left">PICKLES Profiler</th>
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<th style="text-align:right">Memory</th>
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<th style="text-align:right">Time</th>
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</tr>
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<?php
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$units = array('bytes', 'kB', 'MB', 'GB');
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foreach (self::$profile as $key => $entry)
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{
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?>
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<tr class="<?php echo $key % 2 == 1 ? 'even' : 'odd'; ?>">
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<td><?php echo $entry['log']; ?></td>
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<td style="text-align:right"><?php echo round($entry['memory'] / pow(1024, ($i = floor(log($entry['memory'], 1024)))), 2) . ' ' . $units[$i]; ?></td>
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<td style="text-align:right"><?php echo round($entry['elapsed'] * 100, 2); ?> ms</td>
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</tr>
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<?php
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}
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?>
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</table>
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</div>
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<br /><br />
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<?php
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}
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}
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?>
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