502 行
无行尾
15 KiB
PHP
502 行
无行尾
15 KiB
PHP
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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/**
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* CodeIgniter
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*
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* An open source application development framework for PHP 5.1.6 or newer
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*
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* @package CodeIgniter
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* @author ExpressionEngine Dev Team
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* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
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* @license http://codeigniter.com/user_guide/license.html
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* @link http://codeigniter.com
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* @since Version 1.0
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* @filesource
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*/
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// ------------------------------------------------------------------------
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/**
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* CodeIgniter Profiler Class
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*
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* This class enables you to display benchmark, query, and other data
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* in order to help with debugging and optimization.
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*
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* Note: At some point it would be good to move all the HTML in this class
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* into a set of template files in order to allow customization.
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*
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* @package CodeIgniter
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* @subpackage Libraries
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* @category Libraries
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* @author ExpressionEngine Dev Team
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* @link http://codeigniter.com/user_guide/general/profiling.html
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*/
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class CI_Profiler {
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var $CI;
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protected $_available_sections = array(
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'benchmarks',
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'get',
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'memory_usage',
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'post',
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'uri_string',
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'controller_info',
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'queries',
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'http_headers',
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'config'
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);
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public function __construct($config = array())
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{
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$this->CI =& get_instance();
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$this->CI->load->language('profiler');
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// default all sections to display
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foreach ($this->_available_sections as $section)
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{
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if ( ! isset($config[$section]))
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{
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$this->_compile_{$section} = TRUE;
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}
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}
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$this->set_sections($config);
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}
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// --------------------------------------------------------------------
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/**
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* Set Sections
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*
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* Sets the private _compile_* properties to enable/disable Profiler sections
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*
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* @param mixed
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* @return void
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*/
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public function set_sections($config)
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{
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foreach ($config as $method => $enable)
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{
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if (in_array($method, $this->_available_sections))
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{
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$this->_compile_{$method} = ($enable !== FALSE) ? TRUE : FALSE;
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}
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}
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}
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// --------------------------------------------------------------------
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/**
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* Auto Profiler
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*
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* This function cycles through the entire array of mark points and
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* matches any two points that are named identically (ending in "_start"
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* and "_end" respectively). It then compiles the execution times for
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* all points and returns it as an array
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*
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* @return array
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*/
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protected function _compile_benchmarks()
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{
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$profile = array();
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foreach ($this->CI->benchmark->marker as $key => $val)
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{
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// We match the "end" marker so that the list ends
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// up in the order that it was defined
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if (preg_match("/(.+?)_end/i", $key, $match))
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{
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if (isset($this->CI->benchmark->marker[$match[1].'_end']) AND isset($this->CI->benchmark->marker[$match[1].'_start']))
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{
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$profile[$match[1]] = $this->CI->benchmark->elapsed_time($match[1].'_start', $key);
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}
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}
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}
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// Build a table containing the profile data.
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// Note: At some point we should turn this into a template that can
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// be modified. We also might want to make this data available to be logged
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$output = "\n\n";
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$output .= '<fieldset id="ci_profiler_benchmarks" style="border:1px solid #900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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$output .= "\n";
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$output .= '<legend style="color:#900;"> '.$this->CI->lang->line('profiler_benchmarks').' </legend>';
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$output .= "\n";
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$output .= "\n\n<table style='width:100%'>\n";
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foreach ($profile as $key => $val)
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{
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$key = ucwords(str_replace(array('_', '-'), ' ', $key));
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$output .= "<tr><td style='padding:5px;width:50%;color:#000;font-weight:bold;background-color:#ddd;'>".$key." </td><td style='padding:5px;width:50%;color:#900;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n";
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}
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$output .= "</table>\n";
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$output .= "</fieldset>";
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return $output;
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}
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// --------------------------------------------------------------------
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/**
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* Compile Queries
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*
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* @return string
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*/
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protected function _compile_queries()
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{
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$dbs = array();
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// Let's determine which databases are currently connected to
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foreach (get_object_vars($this->CI) as $CI_object)
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{
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if (is_object($CI_object) && is_subclass_of(get_class($CI_object), 'CI_DB') )
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{
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$dbs[] = $CI_object;
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}
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}
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if (count($dbs) == 0)
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{
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$output = "\n\n";
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$output .= '<fieldset id="ci_profiler_queries" style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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$output .= "\n";
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$output .= '<legend style="color:#0000FF;"> '.$this->CI->lang->line('profiler_queries').' </legend>';
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$output .= "\n";
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$output .= "\n\n<table style='border:none; width:100%'>\n";
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$output .="<tr><td style='width:100%;color:#0000FF;font-weight:normal;background-color:#eee;padding:5px'>".$this->CI->lang->line('profiler_no_db')."</td></tr>\n";
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$output .= "</table>\n";
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$output .= "</fieldset>";
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return $output;
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}
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// Load the text helper so we can highlight the SQL
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$this->CI->load->helper('text');
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// Key words we want bolded
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$highlight = array('SELECT', 'DISTINCT', 'FROM', 'WHERE', 'AND', 'LEFT JOIN', 'ORDER BY', 'GROUP BY', 'LIMIT', 'INSERT', 'INTO', 'VALUES', 'UPDATE', 'OR ', 'HAVING', 'OFFSET', 'NOT IN', 'IN', 'LIKE', 'NOT LIKE', 'COUNT', 'MAX', 'MIN', 'ON', 'AS', 'AVG', 'SUM', '(', ')');
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$output = "\n\n";
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foreach ($dbs as $db)
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{
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$output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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$output .= "\n";
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$output .= '<legend style="color:#0000FF;"> '.$this->CI->lang->line('profiler_database').': '.$db->database.' '.$this->CI->lang->line('profiler_queries').': '.count($db->queries).' </legend>';
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$output .= "\n";
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$output .= "\n\n<table style='width:100%;'>\n";
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if (count($db->queries) == 0)
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{
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$output .= "<tr><td style='width:100%;color:#0000FF;font-weight:normal;background-color:#eee;padding:5px;'>".$this->CI->lang->line('profiler_no_queries')."</td></tr>\n";
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}
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else
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{
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foreach ($db->queries as $key => $val)
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{
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$time = number_format($db->query_times[$key], 4);
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$val = highlight_code($val, ENT_QUOTES);
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foreach ($highlight as $bold)
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{
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$val = str_replace($bold, '<strong>'.$bold.'</strong>', $val);
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}
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$output .= "<tr><td style='padding:5px; vertical-align: top;width:1%;color:#900;font-weight:normal;background-color:#ddd;'>".$time." </td><td style='padding:5px; color:#000;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n";
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}
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}
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$output .= "</table>\n";
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$output .= "</fieldset>";
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}
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return $output;
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}
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// --------------------------------------------------------------------
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/**
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* Compile $_GET Data
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*
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* @return string
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*/
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protected function _compile_get()
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{
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$output = "\n\n";
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$output .= '<fieldset id="ci_profiler_get" style="border:1px solid #cd6e00;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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$output .= "\n";
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$output .= '<legend style="color:#cd6e00;"> '.$this->CI->lang->line('profiler_get_data').' </legend>';
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$output .= "\n";
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if (count($_GET) == 0)
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{
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$output .= "<div style='color:#cd6e00;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_get')."</div>";
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}
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else
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{
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$output .= "\n\n<table style='width:100%; border:none'>\n";
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foreach ($_GET as $key => $val)
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{
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if ( ! is_numeric($key))
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{
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$key = "'".$key."'";
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}
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$output .= "<tr><td style='width:50%;color:#000;background-color:#ddd;padding:5px'>$_GET[".$key."] </td><td style='width:50%;padding:5px;color:#cd6e00;font-weight:normal;background-color:#ddd;'>";
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if (is_array($val))
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{
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$output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>";
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}
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else
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{
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$output .= htmlspecialchars(stripslashes($val));
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}
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$output .= "</td></tr>\n";
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}
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$output .= "</table>\n";
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}
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$output .= "</fieldset>";
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return $output;
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}
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// --------------------------------------------------------------------
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/**
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* Compile $_POST Data
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*
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* @return string
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*/
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protected function _compile_post()
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{
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$output = "\n\n";
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$output .= '<fieldset id="ci_profiler_post" style="border:1px solid #009900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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$output .= "\n";
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$output .= '<legend style="color:#009900;"> '.$this->CI->lang->line('profiler_post_data').' </legend>';
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$output .= "\n";
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if (count($_POST) == 0)
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{
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$output .= "<div style='color:#009900;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_post')."</div>";
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}
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else
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{
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$output .= "\n\n<table style='width:100%'>\n";
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foreach ($_POST as $key => $val)
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{
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if ( ! is_numeric($key))
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{
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$key = "'".$key."'";
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}
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$output .= "<tr><td style='width:50%;padding:5px;color:#000;background-color:#ddd;'>$_POST[".$key."] </td><td style='width:50%;padding:5px;color:#009900;font-weight:normal;background-color:#ddd;'>";
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if (is_array($val))
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{
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$output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, TRUE))) . "</pre>";
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}
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else
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{
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$output .= htmlspecialchars(stripslashes($val));
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}
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$output .= "</td></tr>\n";
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}
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$output .= "</table>\n";
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}
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$output .= "</fieldset>";
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return $output;
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}
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// --------------------------------------------------------------------
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/**
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* Show query string
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*
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* @return string
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*/
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protected function _compile_uri_string()
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{
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$output = "\n\n";
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$output .= '<fieldset id="ci_profiler_uri_string" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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$output .= "\n";
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$output .= '<legend style="color:#000;"> '.$this->CI->lang->line('profiler_uri_string').' </legend>';
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$output .= "\n";
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if ($this->CI->uri->uri_string == '')
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{
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$output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_uri')."</div>";
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}
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else
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{
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$output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->uri->uri_string."</div>";
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}
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$output .= "</fieldset>";
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return $output;
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}
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// --------------------------------------------------------------------
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/**
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* Show the controller and function that were called
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*
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* @return string
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*/
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protected function _compile_controller_info()
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{
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$output = "\n\n";
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$output .= '<fieldset id="ci_profiler_controller_info" style="border:1px solid #995300;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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$output .= "\n";
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$output .= '<legend style="color:#995300;"> '.$this->CI->lang->line('profiler_controller_info').' </legend>';
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$output .= "\n";
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$output .= "<div style='color:#995300;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->router->fetch_class()."/".$this->CI->router->fetch_method()."</div>";
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$output .= "</fieldset>";
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return $output;
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}
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// --------------------------------------------------------------------
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/**
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* Compile memory usage
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*
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* Display total used memory
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*
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* @return string
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*/
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protected function _compile_memory_usage()
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{
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$output = "\n\n";
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$output .= '<fieldset id="ci_profiler_memory_usage" style="border:1px solid #5a0099;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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$output .= "\n";
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$output .= '<legend style="color:#5a0099;"> '.$this->CI->lang->line('profiler_memory_usage').' </legend>';
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$output .= "\n";
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if (function_exists('memory_get_usage') && ($usage = memory_get_usage()) != '')
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{
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$output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".number_format($usage).' bytes</div>';
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}
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else
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{
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$output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_memory_usage')."</div>";
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}
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$output .= "</fieldset>";
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return $output;
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}
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// --------------------------------------------------------------------
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/**
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* Compile header information
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*
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* Lists HTTP headers
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*
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* @return string
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*/
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protected function _compile_http_headers()
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{
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$output = "\n\n";
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$output .= '<fieldset id="ci_profiler_http_headers" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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$output .= "\n";
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$output .= '<legend style="color:#000;"> '.$this->CI->lang->line('profiler_headers').' </legend>';
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$output .= "\n";
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$output .= "\n\n<table style='width:100%'>\n";
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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') as $header)
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{
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$val = (isset($_SERVER[$header])) ? $_SERVER[$header] : '';
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$output .= "<tr><td style='vertical-align: top;width:50%;padding:5px;color:#900;background-color:#ddd;'>".$header." </td><td style='width:50%;padding:5px;color:#000;background-color:#ddd;'>".$val."</td></tr>\n";
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}
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$output .= "</table>\n";
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$output .= "</fieldset>";
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return $output;
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}
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// --------------------------------------------------------------------
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/**
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* Compile config information
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*
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* Lists developer config variables
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*
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* @return string
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*/
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protected function _compile_config()
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{
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$output = "\n\n";
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$output .= '<fieldset id="ci_profiler_config" style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
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$output .= "\n";
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$output .= '<legend style="color:#000;"> '.$this->CI->lang->line('profiler_config').' </legend>';
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$output .= "\n";
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$output .= "\n\n<table style='width:100%'>\n";
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foreach ($this->CI->config->config as $config=>$val)
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{
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if (is_array($val))
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{
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$val = print_r($val, TRUE);
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}
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$output .= "<tr><td style='padding:5px; vertical-align: top;color:#900;background-color:#ddd;'>".$config." </td><td style='padding:5px; color:#000;background-color:#ddd;'>".htmlspecialchars($val)."</td></tr>\n";
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}
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$output .= "</table>\n";
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$output .= "</fieldset>";
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return $output;
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}
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// --------------------------------------------------------------------
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/**
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* Run the Profiler
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*
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* @return string
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*/
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public function run()
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{
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$output = "<div id='codeigniter_profiler' style='clear:both;background-color:#fff;padding:10px;'>";
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$fields_displayed = 0;
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foreach ($this->_available_sections as $section)
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{
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if ($this->_compile_{$section} !== FALSE)
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{
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$func = "_compile_{$section}";
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$output .= $this->{$func}();
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$fields_displayed++;
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}
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}
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if ($fields_displayed == 0)
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{
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$output .= '<p style="border:1px solid #5a0099;padding:10px;margin:20px 0;background-color:#eee">'.$this->CI->lang->line('profiler_no_profiles').'</p>';
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}
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$output .= '</div>';
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return $output;
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}
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}
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// END CI_Profiler class
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/* End of file Profiler.php */
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/* Location: ./system/libraries/Profiler.php */ |