summaryrefslogtreecommitdiffstats
path: root/system/libraries/Profiler.php
blob: 810a025a497fdbcca4058f54e41271a60cdf60dc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
<?php
/**
 * CodeIgniter
 *
 * An open source application development framework for PHP 5.2.4 or newer
 *
 * NOTICE OF LICENSE
 *
 * Licensed under the Open Software License version 3.0
 *
 * This source file is subject to the Open Software License (OSL 3.0) that is
 * bundled with this package in the files license.txt / license.rst.  It is
 * also available through the world wide web at this URL:
 * http://opensource.org/licenses/OSL-3.0
 * If you did not receive a copy of the license and are unable to obtain it
 * through the world wide web, please send an email to
 * licensing@ellislab.com so we can send you a copy immediately.
 *
 * @package		CodeIgniter
 * @author		EllisLab Dev Team
 * @copyright	Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
 * @license		http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
 * @link		http://codeigniter.com
 * @since		Version 1.0
 * @filesource
 */
defined('BASEPATH') OR exit('No direct script access allowed');

/**
 * CodeIgniter Profiler Class
 *
 * This class enables you to display benchmark, query, and other data
 * in order to help with debugging and optimization.
 *
 * Note: At some point it would be good to move all the HTML in this class
 * into a set of template files in order to allow customization.
 *
 * @package		CodeIgniter
 * @subpackage	Libraries
 * @category	Libraries
 * @author		EllisLab Dev Team
 * @link		http://codeigniter.com/user_guide/general/profiling.html
 */
class CI_Profiler {

	/**
	 * List of profiler sections available to show
	 *
	 * @var array
	 */
	protected $_available_sections = array(
		'benchmarks',
		'get',
		'memory_usage',
		'post',
		'uri_string',
		'controller_info',
		'queries',
		'http_headers',
		'session_data',
		'config'
	);

	/**
	 * Number of queries to show before making the additional queries togglable
	 *
	 * @var int
	 */
	protected $_query_toggle_count = 25;

	/**
	 * Reference to the CodeIgniter singleton
	 *
	 * @var object
	 */
	protected $CI;

	// --------------------------------------------------------------------

	/**
	 * Class constructor
	 *
	 * Initialize Profiler
	 *
	 * @param	array	$config	Parameters
	 */
	public function __construct($config = array())
	{
		$this->CI =& get_instance();
		$this->CI->load->language('profiler');

		if (isset($config['query_toggle_count']))
		{
			$this->_query_toggle_count = (int) $config['query_toggle_count'];
			unset($config['query_toggle_count']);
		}

		// default all sections to display
		foreach ($this->_available_sections as $section)
		{
			if ( ! isset($config[$section]))
			{
				$this->_compile_{$section} = TRUE;
			}
		}

		$this->set_sections($config);
	}

	// --------------------------------------------------------------------

	/**
	 * Set Sections
	 *
	 * Sets the private _compile_* properties to enable/disable Profiler sections
	 *
	 * @param	mixed	$config
	 * @return	void
	 */
	public function set_sections($config)
	{
		if (isset($config['query_toggle_count']))
		{
			$this->_query_toggle_count = (int) $config['query_toggle_count'];
			unset($config['query_toggle_count']);
		}

		foreach ($config as $method => $enable)
		{
			if (in_array($method, $this->_available_sections))
			{
				$this->_compile_{$method} = ($enable !== FALSE);
			}
		}
	}

	// --------------------------------------------------------------------

	/**
	 * Auto Profiler
	 *
	 * This function cycles through the entire array of mark points and
	 * matches any two points that are named identically (ending in "_start"
	 * and "_end" respectively).  It then compiles the execution times for
	 * all points and returns it as an array
	 *
	 * @return	array
	 */
	protected function _compile_benchmarks()
	{
		$profile = array();
		foreach ($this->CI->benchmark->marker as $key => $val)
		{
			// We match the "end" marker so that the list ends
			// up in the order that it was defined
			if (preg_match('/(.+?)_end/i', $key, $match)
				&& isset($this->CI->benchmark->marker[$match[1].'_end'], $this->CI->benchmark->marker[$match[1].'_start']))
			{
				$profile[$match[1]] = $this->CI->benchmark->elapsed_time($match[1].'_start', $key);
			}
		}

		// Build a table containing the profile data.
		// Note: At some point we should turn this into a template that can
		// be modified. We also might want to make this data available to be logged

		$output = "\n\n"
			.'<fieldset id="ci_profiler_benchmarks" style="border:1px solid #900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">'
			."\n"
			.'<legend style="color:#900;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_benchmarks')."&nbsp;&nbsp;</legend>"
			."\n\n\n<table style=\"width:100%;\">\n";

		foreach ($profile as $key => $val)
		{
			$key = ucwords(str_replace(array('_', '-'), ' ', $key));
			$output .= '<tr><td style="padding:5px;width:50%;color:#000;font-weight:bold;background-color:#ddd;">'
					.$key.'&nbsp;&nbsp;</td><td style="padding:5px;width:50%;color:#900;font-weight:normal;background-color:#ddd;">'
					.$val."</td></tr>\n";
		}

		return $output."</table>\n</fieldset>";
	}

	// --------------------------------------------------------------------

	/**
	 * Compile Queries
	 *
	 * @return	string
	 */
	protected function _compile_queries()
	{
		$dbs = array();

		// Let's determine which databases are currently connected to
		foreach (get_object_vars($this->CI) as $name => $cobject)
		{
			if (is_object($cobject))
			{
				if ($cobject instanceof CI_DB)
				{
					$dbs[get_class($this->CI).':$'.$name] = $cobject;
				}
				elseif ($cobject instanceof CI_Model)
				{
					foreach (get_object_vars($cobject) as $mname => $mobject)
					{
						if ($mobject instanceof CI_DB)
						{
							$dbs[get_class($cobject).':$'.$mname] = $mobject;
						}
					}
				}
			}
		}

		if (count($dbs) === 0)
		{
			return "\n\n"
				.'<fieldset id="ci_profiler_queries" style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">'
				."\n"
				.'<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').'&nbsp;&nbsp;</legend>'
				."\n\n\n<table style=\"border:none; width:100%;\">\n"
				.'<tr><td style="width:100%;color:#0000FF;font-weight:normal;background-color:#eee;padding:5px;">'
				.$this->CI->lang->line('profiler_no_db')
				."</td></tr>\n</table>\n</fieldset>";
		}

		// Load the text helper so we can highlight the SQL
		$this->CI->load->helper('text');

		// Key words we want bolded
		$highlight = array('SELECT', 'DISTINCT', 'FROM', 'WHERE', 'AND', 'LEFT&nbsp;JOIN', 'ORDER&nbsp;BY', 'GROUP&nbsp;BY', 'LIMIT', 'INSERT', 'INTO', 'VALUES', 'UPDATE', 'OR&nbsp;', 'HAVING', 'OFFSET', 'NOT&nbsp;IN', 'IN', 'LIKE', 'NOT&nbsp;LIKE', 'COUNT', 'MAX', 'MIN', 'ON', 'AS', 'AVG', 'SUM', '(', ')');

		$output  = "\n\n";
		$count = 0;

		foreach ($dbs as $name => $db)
		{
			$hide_queries = (count($db->queries) > $this->_query_toggle_count) ? ' display:none' : '';
			$total_time = number_format(array_sum($db->query_times), 4).' '.$this->CI->lang->line('profiler_seconds');

			$show_hide_js = '(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_queries_db_'.$count.'\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_hide').'\'?\''.$this->CI->lang->line('profiler_section_show').'\':\''.$this->CI->lang->line('profiler_section_hide').'\';">'.$this->CI->lang->line('profiler_section_hide').'</span>)';

			if ($hide_queries !== '')
			{
				$show_hide_js = '(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_queries_db_'.$count.'\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show').'</span>)';
			}

			$output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">'
				."\n"
				.'<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_database')
				.':&nbsp; '.$db->database.' ('.$name.')&nbsp;&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries')
				.': '.count($db->queries).' ('.$total_time.')&nbsp;&nbsp;'.$show_hide_js."</legend>\n\n\n"
				.'<table style="width:100%;'.$hide_queries.'" id="ci_profiler_queries_db_'.$count."\">\n";

			if (count($db->queries) === 0)
			{
				$output .= '<tr><td style="width:100%;color:#0000FF;font-weight:normal;background-color:#eee;padding:5px;">'
						.$this->CI->lang->line('profiler_no_queries')."</td></tr>\n";
			}
			else
			{
				foreach ($db->queries as $key => $val)
				{
					$time = number_format($db->query_times[$key], 4);
					$val = highlight_code($val);

					foreach ($highlight as $bold)
					{
						$val = str_replace($bold, '<strong>'.$bold.'</strong>', $val);
					}

					$output .= '<tr><td style="padding:5px;vertical-align:top;width:1%;color:#900;font-weight:normal;background-color:#ddd;">'
							.$time.'&nbsp;&nbsp;</td><td style="padding:5px;color:#000;font-weight:normal;background-color:#ddd;">'
							.$val."</td></tr>\n";
				}
			}

			$output .= "</table>\n</fieldset>";
			$count++;
		}

		return $output;
	}

	// --------------------------------------------------------------------

	/**
	 * Compile $_GET Data
	 *
	 * @return	string
	 */
	protected function _compile_get()
	{
		$output = "\n\n"
			.'<fieldset id="ci_profiler_get" style="border:1px solid #cd6e00;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">'
			."\n"
			.'<legend style="color:#cd6e00;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_get_data')."&nbsp;&nbsp;</legend>\n";

		if (count($_GET) === 0)
		{
			$output .= '<div style="color:#cd6e00;font-weight:normal;padding:4px 0 4px 0;">'.$this->CI->lang->line('profiler_no_get').'</div>';
		}
		else
		{
			$output .= "\n\n<table style=\"width:100%;border:none;\">\n";

			foreach ($_GET as $key => $val)
			{
				is_int($key) OR $key = "'".$key."'";

				$output .= '<tr><td style="width:50%;color:#000;background-color:#ddd;padding:5px;">&#36;_GET['
					.$key.']&nbsp;&nbsp; </td><td style="width:50%;padding:5px;color:#cd6e00;font-weight:normal;background-color:#ddd;">'
					.((is_array($val) OR is_object($val)) ? '<pre>'.htmlspecialchars(stripslashes(print_r($val, TRUE))).'</pre>' : htmlspecialchars(stripslashes($val)))
					."</td></tr>\n";
			}

			$output .= "</table>\n";
		}

		return $output.'</fieldset>';
	}

	// --------------------------------------------------------------------

	/**
	 * Compile $_POST Data
	 *
	 * @return	string
	 */
	protected function _compile_post()
	{
		$output = "\n\n"
			.'<fieldset id="ci_profiler_post" style="border:1px solid #009900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">'
			."\n"
			.'<legend style="color:#009900;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_post_data')."&nbsp;&nbsp;</legend>\n";

		if (count($_POST) === 0 && count($_FILES) === 0)
		{
			$output .= '<div style="color:#009900;font-weight:normal;padding:4px 0 4px 0;">'.$this->CI->lang->line('profiler_no_post').'</div>';
		}
		else
		{
			$output .= "\n\n<table style=\"width:100%;\">\n";

			foreach ($_POST as $key => $val)
			{
				is_int($key) OR $key = "'".$key."'";

				$output .= '<tr><td style="width:50%;padding:5px;color:#000;background-color:#ddd;">&#36;_POST['
					.$key.']&nbsp;&nbsp; </td><td style="width:50%;padding:5px;color:#009900;font-weight:normal;background-color:#ddd;">';

				if (is_array($val) OR is_object($val))
				{
					$output .= '<pre>'.htmlspecialchars(stripslashes(print_r($val, TRUE))).'</pre>';
				}
				else
				{
					$output .= htmlspecialchars(stripslashes($val));
				}

				$output .= "</td></tr>\n";
			}

			foreach ($_FILES as $key => $val)
			{
				is_int($key) OR $key = "'".$key."'";

				$output .= '<tr><td style="width:50%;padding:5px;color:#000;background-color:#ddd;">&#36;_FILES['
					.$key.']&nbsp;&nbsp; </td><td style="width:50%;padding:5px;color:#009900;font-weight:normal;background-color:#ddd;">';

				if (is_array($val) OR is_object($val))
				{
					$output .= '<pre>'.htmlspecialchars(stripslashes(print_r($val, TRUE))).'</pre>';
				}

				$output .= "</td></tr>\n";
			}

			$output .= "</table>\n";
		}

		return $output.'</fieldset>';
	}

	// --------------------------------------------------------------------

	/**
	 * Show query string
	 *
	 * @return	string
	 */
	protected function _compile_uri_string()
	{
		return "\n\n"
			.'<fieldset id="ci_profiler_uri_string" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">'
			."\n"
			.'<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_uri_string')."&nbsp;&nbsp;</legend>\n"
			.'<div style="color:#000;font-weight:normal;padding:4px 0 4px 0;">'
			.($this->CI->uri->uri_string === '' ? $this->CI->lang->line('profiler_no_uri') : $this->CI->uri->uri_string)
			.'</div></fieldset>';
	}

	// --------------------------------------------------------------------

	/**
	 * Show the controller and function that were called
	 *
	 * @return	string
	 */
	protected function _compile_controller_info()
	{
		return "\n\n"
			.'<fieldset id="ci_profiler_controller_info" style="border:1px solid #995300;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">'
			."\n"
			.'<legend style="color:#995300;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_controller_info')."&nbsp;&nbsp;</legend>\n"
			.'<div style="color:#995300;font-weight:normal;padding:4px 0 4px 0;">'.$this->CI->router->class.'/'.$this->CI->router->method
			.'</div></fieldset>';
	}

	// --------------------------------------------------------------------

	/**
	 * Compile memory usage
	 *
	 * Display total used memory
	 *
	 * @return	string
	 */
	protected function _compile_memory_usage()
	{
		return "\n\n"
			.'<fieldset id="ci_profiler_memory_usage" style="border:1px solid #5a0099;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">'
			."\n"
			.'<legend style="color:#5a0099;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_memory_usage')."&nbsp;&nbsp;</legend>\n"
			.'<div style="color:#5a0099;font-weight:normal;padding:4px 0 4px 0;">'
			.(($usage = memory_get_usage()) != '' ? number_format($usage).' bytes' : $this->CI->lang->line('profiler_no_memory'))
			.'</div></fieldset>';
	}

	// --------------------------------------------------------------------

	/**
	 * Compile header information
	 *
	 * Lists HTTP headers
	 *
	 * @return	string
	 */
	protected function _compile_http_headers()
	{
		$output = "\n\n"
			.'<fieldset id="ci_profiler_http_headers" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">'
			."\n"
			.'<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_headers')
			.'&nbsp;&nbsp;(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_httpheaders_table\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show')."</span>)</legend>\n\n\n"
			.'<table style="width:100%;display:none;" id="ci_profiler_httpheaders_table">'."\n";

		foreach (array('HTTP_ACCEPT', 'HTTP_USER_AGENT', 'HTTP_CONNECTION', 'SERVER_PORT', 'SERVER_NAME', 'REMOTE_ADDR', 'SERVER_SOFTWARE', 'HTTP_ACCEPT_LANGUAGE', 'SCRIPT_NAME', 'REQUEST_METHOD',' HTTP_HOST', 'REMOTE_HOST', 'CONTENT_TYPE', 'SERVER_PROTOCOL', 'QUERY_STRING', 'HTTP_ACCEPT_ENCODING', 'HTTP_X_FORWARDED_FOR', 'HTTP_DNT') as $header)
		{
			$val = isset($_SERVER[$header]) ? $_SERVER[$header] : '';
			$output .= '<tr><td style="vertical-align:top;width:50%;padding:5px;color:#900;background-color:#ddd;">'
				.$header.'&nbsp;&nbsp;</td><td style="width:50%;padding:5px;color:#000;background-color:#ddd;">'.$val."</td></tr>\n";
		}

		return $output."</table>\n</fieldset>";
	}

	// --------------------------------------------------------------------

	/**
	 * Compile config information
	 *
	 * Lists developer config variables
	 *
	 * @return	string
	 */
	protected function _compile_config()
	{
		$output = "\n\n"
			.'<fieldset id="ci_profiler_config" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">'
			."\n"
			.'<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_config').'&nbsp;&nbsp;(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_config_table\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show')."</span>)</legend>\n\n\n"
			.'<table style="width:100%;display:none;" id="ci_profiler_config_table">'."\n";

		foreach ($this->CI->config->config as $config => $val)
		{
			if (is_array($val) OR is_object($val))
			{
				$val = print_r($val, TRUE);
			}

			$output .= '<tr><td style="padding:5px;vertical-align:top;color:#900;background-color:#ddd;">'
				.$config.'&nbsp;&nbsp;</td><td style="padding:5px;color:#000;background-color:#ddd;">'.htmlspecialchars($val)."</td></tr>\n";
		}

		return $output."</table>\n</fieldset>";
	}

	// --------------------------------------------------------------------

	/**
	 * Compile session userdata
	 *
	 * @return 	string
	 */
	protected function _compile_session_data()
	{
		if ( ! isset($this->CI->session))
		{
			return;
		}

		$output = '<fieldset id="ci_profiler_csession" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee;">'
			.'<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_session_data').'&nbsp;&nbsp;(<span style="cursor: pointer;" onclick="var s=document.getElementById(\'ci_profiler_session_data\').style;s.display=s.display==\'none\'?\'\':\'none\';this.innerHTML=this.innerHTML==\''.$this->CI->lang->line('profiler_section_show').'\'?\''.$this->CI->lang->line('profiler_section_hide').'\':\''.$this->CI->lang->line('profiler_section_show').'\';">'.$this->CI->lang->line('profiler_section_show').'</span>)</legend>'
			.'<table style="width:100%;display:none;" id="ci_profiler_session_data">';

		foreach ($this->CI->session->userdata() as $key => $val)
		{
			if (is_array($val) OR is_object($val))
			{
				$val = print_r($val, TRUE);
			}

			$output .= '<tr><td style="padding:5px;vertical-align:top;color:#900;background-color:#ddd;">'
				.$key.'&nbsp;&nbsp;</td><td style="padding:5px;color:#000;background-color:#ddd;">'.htmlspecialchars($val)."</td></tr>\n";
		}

		return $output."</table>\n</fieldset>";
	}

	// --------------------------------------------------------------------

	/**
	 * Run the Profiler
	 *
	 * @return	string
	 */
	public function run()
	{
		$output = '<div id="codeigniter_profiler" style="clear:both;background-color:#fff;padding:10px;">';
		$fields_displayed = 0;

		foreach ($this->_available_sections as $section)
		{
			if ($this->_compile_{$section} !== FALSE)
			{
				$func = '_compile_'.$section;
				$output .= $this->{$func}();
				$fields_displayed++;
			}
		}

		if ($fields_displayed === 0)
		{
			$output .= '<p style="border:1px solid #5a0099;padding:10px;margin:20px 0;background-color:#eee;">'
				.$this->CI->lang->line('profiler_no_profiles').'</p>';
		}

		return $output.'</div>';
	}

}

/* End of file Profiler.php */
/* Location: ./system/libraries/Profiler.php */