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authorBharat Mediratta <bharat@menalto.com>2009-05-27 15:11:53 -0700
committerBharat Mediratta <bharat@menalto.com>2009-05-27 15:11:53 -0700
commit12fe58d997d2066dc362fd393a18b4e5da190513 (patch)
tree3ad8e5afb77829e1541ec96d86785760d65c04ac /system/libraries/Profiler.php
parent00f47d4ddddcd1902db817018dd79ac01bcc8e82 (diff)
Rename 'kohana' to 'system' to conform to the Kohana filesystem layout. I'm comfortable with us not clearly drawing the distinction about the fact that it's Kohana.
Diffstat (limited to 'system/libraries/Profiler.php')
-rw-r--r--system/libraries/Profiler.php271
1 files changed, 271 insertions, 0 deletions
diff --git a/system/libraries/Profiler.php b/system/libraries/Profiler.php
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+++ b/system/libraries/Profiler.php
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+<?php defined('SYSPATH') OR die('No direct access allowed.');
+/**
+ * Adds useful information to the bottom of the current page for debugging and optimization purposes.
+ *
+ * Benchmarks - The times and memory usage of benchmarks run by the Benchmark library.
+ * Database - The raw SQL and number of affected rows of Database queries.
+ * Session Data - Data stored in the current session if using the Session library.
+ * POST Data - The name and values of any POST data submitted to the current page.
+ * Cookie Data - All cookies sent for the current request.
+ *
+ * $Id: Profiler.php 4090 2009-03-19 01:27:45Z bharat $
+ *
+ * @package Profiler
+ * @author Kohana Team
+ * @copyright (c) 2007-2008 Kohana Team
+ * @license http://kohanaphp.com/license.html
+ */
+class Profiler_Core {
+
+ protected $profiles = array();
+ protected $show;
+
+ public function __construct()
+ {
+ // Add all built in profiles to event
+ Event::add('profiler.run', array($this, 'benchmarks'));
+ Event::add('profiler.run', array($this, 'database'));
+ Event::add('profiler.run', array($this, 'session'));
+ Event::add('profiler.run', array($this, 'post'));
+ Event::add('profiler.run', array($this, 'cookies'));
+
+ // Add profiler to page output automatically
+ Event::add('system.display', array($this, 'render'));
+
+ Kohana::log('debug', 'Profiler Library initialized');
+ }
+
+ /**
+ * Magic __call method. Creates a new profiler section object.
+ *
+ * @param string input type
+ * @param string input name
+ * @return object
+ */
+ public function __call($method, $args)
+ {
+ if ( ! $this->show OR (is_array($this->show) AND ! in_array($args[0], $this->show)))
+ return FALSE;
+
+ // Class name
+ $class = 'Profiler_'.ucfirst($method);
+
+ $class = new $class();
+
+ $this->profiles[$args[0]] = $class;
+
+ return $class;
+ }
+
+ /**
+ * Disables the profiler for this page only.
+ * Best used when profiler is autoloaded.
+ *
+ * @return void
+ */
+ public function disable()
+ {
+ // Removes itself from the event queue
+ Event::clear('system.display', array($this, 'render'));
+ }
+
+ /**
+ * Render the profiler. Output is added to the bottom of the page by default.
+ *
+ * @param boolean return the output if TRUE
+ * @return void|string
+ */
+ public function render($return = FALSE)
+ {
+ $start = microtime(TRUE);
+
+ $get = isset($_GET['profiler']) ? explode(',', $_GET['profiler']) : array();
+ $this->show = empty($get) ? Kohana::config('profiler.show') : $get;
+
+ Event::run('profiler.run', $this);
+
+ $styles = '';
+ foreach ($this->profiles as $profile)
+ {
+ $styles .= $profile->styles();
+ }
+
+ // Don't display if there's no profiles
+ if (empty($this->profiles))
+ return;
+
+ // Load the profiler view
+ $data = array
+ (
+ 'profiles' => $this->profiles,
+ 'styles' => $styles,
+ 'execution_time' => microtime(TRUE) - $start
+ );
+ $view = new View('kohana_profiler', $data);
+
+ // Return rendered view if $return is TRUE
+ if ($return == TRUE)
+ return $view->render();
+
+ // Add profiler data to the output
+ if (stripos(Kohana::$output, '</body>') !== FALSE)
+ {
+ // Closing body tag was found, insert the profiler data before it
+ Kohana::$output = str_ireplace('</body>', $view->render().'</body>', Kohana::$output);
+ }
+ else
+ {
+ // Append the profiler data to the output
+ Kohana::$output .= $view->render();
+ }
+ }
+
+ /**
+ * Benchmark times and memory usage from the Benchmark library.
+ *
+ * @return void
+ */
+ public function benchmarks()
+ {
+ if ( ! $table = $this->table('benchmarks'))
+ return;
+
+ $table->add_column();
+ $table->add_column('kp-column kp-data');
+ $table->add_column('kp-column kp-data');
+ $table->add_column('kp-column kp-data');
+ $table->add_row(array('Benchmarks', 'Time', 'Count', 'Memory'), 'kp-title', 'background-color: #FFE0E0');
+
+ $benchmarks = Benchmark::get(TRUE);
+
+ // Moves the first benchmark (total execution time) to the end of the array
+ $benchmarks = array_slice($benchmarks, 1) + array_slice($benchmarks, 0, 1);
+
+ text::alternate();
+ foreach ($benchmarks as $name => $benchmark)
+ {
+ // Clean unique id from system benchmark names
+ $name = ucwords(str_replace(array('_', '-'), ' ', str_replace(SYSTEM_BENCHMARK.'_', '', $name)));
+
+ $data = array($name, number_format($benchmark['time'], 3), $benchmark['count'], number_format($benchmark['memory'] / 1024 / 1024, 2).'MB');
+ $class = text::alternate('', 'kp-altrow');
+
+ if ($name == 'Total Execution')
+ $class = 'kp-totalrow';
+
+ $table->add_row($data, $class);
+ }
+ }
+
+ /**
+ * Database query benchmarks.
+ *
+ * @return void
+ */
+ public function database()
+ {
+ if ( ! $table = $this->table('database'))
+ return;
+
+ $table->add_column();
+ $table->add_column('kp-column kp-data');
+ $table->add_column('kp-column kp-data');
+ $table->add_row(array('Queries', 'Time', 'Rows'), 'kp-title', 'background-color: #E0FFE0');
+
+ $queries = Database::$benchmarks;
+
+ text::alternate();
+ $total_time = $total_rows = 0;
+ foreach ($queries as $query)
+ {
+ $data = array($query['query'], number_format($query['time'], 3), $query['rows']);
+ $class = text::alternate('', 'kp-altrow');
+ $table->add_row($data, $class);
+ $total_time += $query['time'];
+ $total_rows += $query['rows'];
+ }
+
+ $data = array('Total: ' . count($queries), number_format($total_time, 3), $total_rows);
+ $table->add_row($data, 'kp-totalrow');
+ }
+
+ /**
+ * Session data.
+ *
+ * @return void
+ */
+ public function session()
+ {
+ if (empty($_SESSION)) return;
+
+ if ( ! $table = $this->table('session'))
+ return;
+
+ $table->add_column('kp-name');
+ $table->add_column();
+ $table->add_row(array('Session', 'Value'), 'kp-title', 'background-color: #CCE8FB');
+
+ text::alternate();
+ foreach($_SESSION as $name => $value)
+ {
+ if (is_object($value))
+ {
+ $value = get_class($value).' [object]';
+ }
+
+ $data = array($name, $value);
+ $class = text::alternate('', 'kp-altrow');
+ $table->add_row($data, $class);
+ }
+ }
+
+ /**
+ * POST data.
+ *
+ * @return void
+ */
+ public function post()
+ {
+ if (empty($_POST)) return;
+
+ if ( ! $table = $this->table('post'))
+ return;
+
+ $table->add_column('kp-name');
+ $table->add_column();
+ $table->add_row(array('POST', 'Value'), 'kp-title', 'background-color: #E0E0FF');
+
+ text::alternate();
+ foreach($_POST as $name => $value)
+ {
+ $data = array($name, $value);
+ $class = text::alternate('', 'kp-altrow');
+ $table->add_row($data, $class);
+ }
+ }
+
+ /**
+ * Cookie data.
+ *
+ * @return void
+ */
+ public function cookies()
+ {
+ if (empty($_COOKIE)) return;
+
+ if ( ! $table = $this->table('cookies'))
+ return;
+
+ $table->add_column('kp-name');
+ $table->add_column();
+ $table->add_row(array('Cookies', 'Value'), 'kp-title', 'background-color: #FFF4D7');
+
+ text::alternate();
+ foreach($_COOKIE as $name => $value)
+ {
+ $data = array($name, $value);
+ $class = text::alternate('', 'kp-altrow');
+ $table->add_row($data, $class);
+ }
+ }
+} \ No newline at end of file