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ImgURL是一个简单、纯粹的图床程序，让个人图床多一个选择。
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imgurl/system/libraries/Profiler.php

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<?php
/**
* CodeIgniter
*
* An open source application development framework for PHP
*
* This content is released under the MIT License (MIT)
*
* Copyright (c) 2014 - 2018, British Columbia Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @package CodeIgniter
* @author EllisLab Dev Team
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
* @copyright Copyright (c) 2014 - 2018, British Columbia Institute of Technology (http://bcit.ca/)
* @license http://opensource.org/licenses/MIT MIT License
* @link https://codeigniter.com
* @since Version 1.0.0
* @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 https://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();
$this->CI->load->language('profiler');
// default all sections to display
foreach ($this->_available_sections as $section)
{
if ( ! isset($config[$section]))
{
$this->_compile_{$section} = TRUE;
}
}
$this->set_sections($config);
log_message('info', 'Profiler Class Initialized');
}
// --------------------------------------------------------------------
/**
* 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 $key = "'".htmlspecialchars($key, ENT_QUOTES, config_item('charset'))."'";
$val = (is_array($val) OR is_object($val))
? '<pre>'.htmlspecialchars(print_r($val, TRUE), ENT_QUOTES, config_item('charset')).'</pre>'
: htmlspecialchars($val, ENT_QUOTES, config_item('charset'));
$output .= '<tr><td style="width:50%;color:#000;background-color:#ddd;padding:5px;">&#36;_GET['
.$key.']&nbsp;&nbsp; </td><td style="width:50%;padding:5px;color:#cd6e00;font-weight:normal;background-color:#ddd;">'
.$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 $key = "'".htmlspecialchars($key, ENT_QUOTES, config_item('charset'))."'";
$val = (is_array($val) OR is_object($val))
? '<pre>'.htmlspecialchars(print_r($val, TRUE), ENT_QUOTES, config_item('charset')).'</pre>'
: htmlspecialchars($val, ENT_QUOTES, config_item('charset'));
$output .= '<tr><td style="width:50%;padding:5px;color:#000;background-color:#ddd;">&#36;_POST['
.$key.']&nbsp;&nbsp; </td><td style="width:50%;padding:5px;color:#009900;font-weight:normal;background-color:#ddd;">'
.$val."</td></tr>\n";
}
foreach ($_FILES as $key => $val)
{
is_int($key) OR $key = "'".htmlspecialchars($key, ENT_QUOTES, config_item('charset'))."'";
$val = (is_array($val) OR is_object($val))
? '<pre>'.htmlspecialchars(print_r($val, TRUE), ENT_QUOTES, config_item('charset')).'</pre>'
: htmlspecialchars($val, ENT_QUOTES, config_item('charset'));
$output .= '<tr><td style="width:50%;padding:5px;color:#000;background-color:#ddd;">&#36;_FILES['
.$key.']&nbsp;&nbsp; </td><td style="width:50%;padding:5px;color:#009900;font-weight:normal;background-color:#ddd;">'
.$val."</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[$header]) ? htmlspecialchars($_SERVER[$header], ENT_QUOTES, config_item('charset')) : '';
$output .= '<tr><td style="vertical-align:top;width:50%;padding:5px;color:#900;background-color:#ddd;">'
.$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)
{
$pre = '';
$pre_close = '';
if (is_array($val) OR is_object($val))
{
$val = print_r($val, TRUE);
$pre = '<pre>' ;
$pre_close = '</pre>';
}
$output .= '<tr><td style="padding:5px;vertical-align:top;color:#900;background-color:#ddd;">'
.$config.'&nbsp;&nbsp;</td><td style="padding:5px;color:#000;background-color:#ddd;">'.$pre.htmlspecialchars($val, ENT_QUOTES, config_item('charset')).$pre_close."</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)
{
$pre = '';
$pre_close = '';
if (is_array($val) OR is_object($val))
{
$val = print_r($val, TRUE);
$pre = '<pre>' ;
$pre_close = '</pre>';
}
$output .= '<tr><td style="padding:5px;vertical-align:top;color:#900;background-color:#ddd;">'
.$key.'&nbsp;&nbsp;</td><td style="padding:5px;color:#000;background-color:#ddd;">'.$pre.htmlspecialchars($val, ENT_QUOTES, config_item('charset')).$pre_close."</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>';
}
}