271 lines
6.8 KiB
PHP
271 lines
6.8 KiB
PHP
<?php defined('SYSPATH') OR die('No direct access allowed.');
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/**
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* Adds useful information to the bottom of the current page for debugging and optimization purposes.
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*
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* Benchmarks - The times and memory usage of benchmarks run by the Benchmark library.
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* Database - The raw SQL and number of affected rows of Database queries.
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* Session Data - Data stored in the current session if using the Session library.
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* POST Data - The name and values of any POST data submitted to the current page.
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* Cookie Data - All cookies sent for the current request.
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*
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* $Id: Profiler.php 4383 2009-06-03 00:17:24Z ixmatus $
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*
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* @package Profiler
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* @author Kohana Team
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* @copyright (c) 2007-2008 Kohana Team
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* @license http://kohanaphp.com/license.html
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*/
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class Profiler_Core {
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protected $profiles = array();
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protected $show;
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public function __construct()
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{
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// Add all built in profiles to event
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Event::add('profiler.run', array($this, 'benchmarks'));
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Event::add('profiler.run', array($this, 'database'));
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Event::add('profiler.run', array($this, 'session'));
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Event::add('profiler.run', array($this, 'post'));
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Event::add('profiler.run', array($this, 'cookies'));
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// Add profiler to page output automatically
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Event::add('system.display', array($this, 'render'));
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Kohana::log('debug', 'Profiler Library initialized');
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}
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/**
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* Magic __call method. Creates a new profiler section object.
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*
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* @param string input type
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* @param string input name
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* @return object
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*/
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public function __call($method, $args)
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{
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if ( ! $this->show OR (is_array($this->show) AND ! in_array($args[0], $this->show)))
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return FALSE;
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// Class name
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$class = 'Profiler_'.ucfirst($method);
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$class = new $class();
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$this->profiles[$args[0]] = $class;
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return $class;
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}
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/**
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* Disables the profiler for this page only.
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* Best used when profiler is autoloaded.
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*
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* @return void
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*/
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public function disable()
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{
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// Removes itself from the event queue
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Event::clear('system.display', array($this, 'render'));
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}
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/**
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* Render the profiler. Output is added to the bottom of the page by default.
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*
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* @param boolean return the output if TRUE
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* @return void|string
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*/
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public function render($return = FALSE)
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{
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$start = microtime(TRUE);
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$get = isset($_GET['profiler']) ? explode(',', $_GET['profiler']) : array();
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$this->show = empty($get) ? Kohana::config('profiler.show') : $get;
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Event::run('profiler.run', $this);
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$styles = '';
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foreach ($this->profiles as $profile)
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{
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$styles .= $profile->styles();
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}
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// Don't display if there's no profiles
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if (empty($this->profiles))
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return;
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// Load the profiler view
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$data = array
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(
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'profiles' => $this->profiles,
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'styles' => $styles,
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'execution_time' => microtime(TRUE) - $start
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);
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$view = new View('kohana_profiler', $data);
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// Return rendered view if $return is TRUE
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if ($return === TRUE)
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return $view->render();
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// Add profiler data to the output
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if (stripos(Kohana::$output, '</body>') !== FALSE)
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{
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// Closing body tag was found, insert the profiler data before it
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Kohana::$output = str_ireplace('</body>', $view->render().'</body>', Kohana::$output);
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}
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else
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{
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// Append the profiler data to the output
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Kohana::$output .= $view->render();
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}
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}
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/**
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* Benchmark times and memory usage from the Benchmark library.
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*
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* @return void
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*/
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public function benchmarks()
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{
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if ( ! $table = $this->table('benchmarks'))
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return;
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$table->add_column();
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$table->add_column('kp-column kp-data');
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$table->add_column('kp-column kp-data');
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$table->add_column('kp-column kp-data');
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$table->add_row(array('Benchmarks', 'Time', 'Count', 'Memory'), 'kp-title', 'background-color: #FFE0E0');
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$benchmarks = Benchmark::get(TRUE);
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// Moves the first benchmark (total execution time) to the end of the array
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$benchmarks = array_slice($benchmarks, 1) + array_slice($benchmarks, 0, 1);
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text::alternate();
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foreach ($benchmarks as $name => $benchmark)
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{
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// Clean unique id from system benchmark names
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$name = ucwords(str_replace(array('_', '-'), ' ', str_replace(SYSTEM_BENCHMARK.'_', '', $name)));
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$data = array($name, number_format($benchmark['time'], 3), $benchmark['count'], number_format($benchmark['memory'] / 1024 / 1024, 2).'MB');
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$class = text::alternate('', 'kp-altrow');
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if ($name == 'Total Execution')
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$class = 'kp-totalrow';
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$table->add_row($data, $class);
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}
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}
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/**
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* Database query benchmarks.
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*
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* @return void
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*/
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public function database()
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{
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if ( ! $table = $this->table('database'))
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return;
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$table->add_column();
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$table->add_column('kp-column kp-data');
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$table->add_column('kp-column kp-data');
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$table->add_row(array('Queries', 'Time', 'Rows'), 'kp-title', 'background-color: #E0FFE0');
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$queries = Database::$benchmarks;
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text::alternate();
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$total_time = $total_rows = 0;
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foreach ($queries as $query)
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{
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$data = array($query['query'], number_format($query['time'], 3), $query['rows']);
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$class = text::alternate('', 'kp-altrow');
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$table->add_row($data, $class);
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$total_time += $query['time'];
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$total_rows += $query['rows'];
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}
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$data = array('Total: ' . count($queries), number_format($total_time, 3), $total_rows);
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$table->add_row($data, 'kp-totalrow');
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}
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/**
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* Session data.
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*
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* @return void
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*/
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public function session()
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{
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if (empty($_SESSION)) return;
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if ( ! $table = $this->table('session'))
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return;
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$table->add_column('kp-name');
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$table->add_column();
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$table->add_row(array('Session', 'Value'), 'kp-title', 'background-color: #CCE8FB');
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text::alternate();
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foreach($_SESSION as $name => $value)
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{
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if (is_object($value))
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{
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$value = get_class($value).' [object]';
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}
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$data = array($name, $value);
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$class = text::alternate('', 'kp-altrow');
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$table->add_row($data, $class);
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}
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}
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/**
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* POST data.
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*
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* @return void
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*/
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public function post()
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{
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if (empty($_POST)) return;
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if ( ! $table = $this->table('post'))
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return;
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$table->add_column('kp-name');
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$table->add_column();
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$table->add_row(array('POST', 'Value'), 'kp-title', 'background-color: #E0E0FF');
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text::alternate();
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foreach($_POST as $name => $value)
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{
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$data = array($name, $value);
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$class = text::alternate('', 'kp-altrow');
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$table->add_row($data, $class);
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}
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}
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/**
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* Cookie data.
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*
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* @return void
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*/
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public function cookies()
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{
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if (empty($_COOKIE)) return;
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if ( ! $table = $this->table('cookies'))
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return;
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$table->add_column('kp-name');
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$table->add_column();
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$table->add_row(array('Cookies', 'Value'), 'kp-title', 'background-color: #FFF4D7');
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text::alternate();
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foreach($_COOKIE as $name => $value)
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{
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$data = array($name, $value);
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$class = text::alternate('', 'kp-altrow');
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$table->add_row($data, $class);
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}
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}
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} |