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authorFlorian Pritz <bluewind@xssn.at>2010-02-06 23:14:56 +0100
committerFlorian Pritz <bluewind@xssn.at>2010-02-06 23:31:27 +0100
commit9e9d77b4072de4f8c73e8bbade07a8f27734e4bd (patch)
treea5d709254968fed8f3acdb9eec68fde2faa14b94 /system/libraries/Profiler.php
Initial commit
Signed-off-by: Florian Pritz <bluewind@xssn.at>
Diffstat (limited to 'system/libraries/Profiler.php')
-rw-r--r--system/libraries/Profiler.php392
1 files changed, 392 insertions, 0 deletions
diff --git a/system/libraries/Profiler.php b/system/libraries/Profiler.php
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+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author ExpressionEngine Dev Team
+ * @copyright Copyright (c) 2008 - 2009, EllisLab, Inc.
+ * @license http://codeigniter.com/user_guide/license.html
+ * @link http://codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * 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 ExpressionEngine Dev Team
+ * @link http://codeigniter.com/user_guide/general/profiling.html
+ */
+class CI_Profiler {
+
+ var $CI;
+
+ function CI_Profiler()
+ {
+ $this->CI =& get_instance();
+ $this->CI->load->language('profiler');
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * 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
+ *
+ * @access private
+ * @return array
+ */
+ 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, $match))
+ {
+ if (isset($this->CI->benchmark->marker[$match[1].'_end']) AND isset($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";
+ $output .= '<fieldset style="border:1px solid #990000;padding:6px 10px 10px 10px;margin:0 0 20px 0;background-color:#eee">';
+ $output .= "\n";
+ $output .= '<legend style="color:#990000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_benchmarks').'&nbsp;&nbsp;</legend>';
+ $output .= "\n";
+ $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";
+
+ foreach ($profile as $key => $val)
+ {
+ $key = ucwords(str_replace(array('_', '-'), ' ', $key));
+ $output .= "<tr><td width='50%' style='color:#000;font-weight:bold;background-color:#ddd;'>".$key."&nbsp;&nbsp;</td><td width='50%' style='color:#990000;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n";
+ }
+
+ $output .= "</table>\n";
+ $output .= "</fieldset>";
+
+ return $output;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Compile Queries
+ *
+ * @access private
+ * @return string
+ */
+ function _compile_queries()
+ {
+ $dbs = array();
+
+ // Let's determine which databases are currently connected to
+ foreach (get_object_vars($this->CI) as $CI_object)
+ {
+ if (is_object($CI_object) && is_subclass_of(get_class($CI_object), 'CI_DB') )
+ {
+ $dbs[] = $CI_object;
+ }
+ }
+
+ if (count($dbs) == 0)
+ {
+ $output = "\n\n";
+ $output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+ $output .= "\n";
+ $output .= '<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').'&nbsp;&nbsp;</legend>';
+ $output .= "\n";
+ $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";
+ $output .="<tr><td width='100%' style='color:#0000FF;font-weight:normal;background-color:#eee;'>".$this->CI->lang->line('profiler_no_db')."</td></tr>\n";
+ $output .= "</table>\n";
+ $output .= "</fieldset>";
+
+ return $output;
+ }
+
+ // 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', 'HAVING', 'OFFSET', 'NOT&nbsp;IN', 'IN', 'LIKE', 'NOT&nbsp;LIKE', 'COUNT', 'MAX', 'MIN', 'ON', 'AS', 'AVG', 'SUM', '(', ')');
+
+ $output = "\n\n";
+
+ foreach ($dbs as $db)
+ {
+ $output .= '<fieldset style="border:1px solid #0000FF;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+ $output .= "\n";
+ $output .= '<legend style="color:#0000FF;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_database').':&nbsp; '.$db->database.'&nbsp;&nbsp;&nbsp;'.$this->CI->lang->line('profiler_queries').': '.count($this->CI->db->queries).'&nbsp;&nbsp;&nbsp;</legend>';
+ $output .= "\n";
+ $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";
+
+ if (count($db->queries) == 0)
+ {
+ $output .= "<tr><td width='100%' style='color:#0000FF;font-weight:normal;background-color:#eee;'>".$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, ENT_QUOTES);
+
+ foreach ($highlight as $bold)
+ {
+ $val = str_replace($bold, '<strong>'.$bold.'</strong>', $val);
+ }
+
+ $output .= "<tr><td width='1%' valign='top' style='color:#990000;font-weight:normal;background-color:#ddd;'>".$time."&nbsp;&nbsp;</td><td style='color:#000;font-weight:normal;background-color:#ddd;'>".$val."</td></tr>\n";
+ }
+ }
+
+ $output .= "</table>\n";
+ $output .= "</fieldset>";
+
+ }
+
+ return $output;
+ }
+
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Compile $_GET Data
+ *
+ * @access private
+ * @return string
+ */
+ function _compile_get()
+ {
+ $output = "\n\n";
+ $output .= '<fieldset style="border:1px solid #cd6e00;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+ $output .= "\n";
+ $output .= '<legend style="color:#cd6e00;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_get_data').'&nbsp;&nbsp;</legend>';
+ $output .= "\n";
+
+ if (count($_GET) == 0)
+ {
+ $output .= "<div style='color:#cd6e00;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_get')."</div>";
+ }
+ else
+ {
+ $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";
+
+ foreach ($_GET as $key => $val)
+ {
+ if ( ! is_numeric($key))
+ {
+ $key = "'".$key."'";
+ }
+
+ $output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>&#36;_GET[".$key."]&nbsp;&nbsp; </td><td width='50%' style='color:#cd6e00;font-weight:normal;background-color:#ddd;'>";
+ if (is_array($val))
+ {
+ $output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>";
+ }
+ else
+ {
+ $output .= htmlspecialchars(stripslashes($val));
+ }
+ $output .= "</td></tr>\n";
+ }
+
+ $output .= "</table>\n";
+ }
+ $output .= "</fieldset>";
+
+ return $output;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Compile $_POST Data
+ *
+ * @access private
+ * @return string
+ */
+ function _compile_post()
+ {
+ $output = "\n\n";
+ $output .= '<fieldset style="border:1px solid #009900;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+ $output .= "\n";
+ $output .= '<legend style="color:#009900;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_post_data').'&nbsp;&nbsp;</legend>';
+ $output .= "\n";
+
+ if (count($_POST) == 0)
+ {
+ $output .= "<div style='color:#009900;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_post')."</div>";
+ }
+ else
+ {
+ $output .= "\n\n<table cellpadding='4' cellspacing='1' border='0' width='100%'>\n";
+
+ foreach ($_POST as $key => $val)
+ {
+ if ( ! is_numeric($key))
+ {
+ $key = "'".$key."'";
+ }
+
+ $output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>&#36;_POST[".$key."]&nbsp;&nbsp; </td><td width='50%' style='color:#009900;font-weight:normal;background-color:#ddd;'>";
+ if (is_array($val))
+ {
+ $output .= "<pre>" . htmlspecialchars(stripslashes(print_r($val, true))) . "</pre>";
+ }
+ else
+ {
+ $output .= htmlspecialchars(stripslashes($val));
+ }
+ $output .= "</td></tr>\n";
+ }
+
+ $output .= "</table>\n";
+ }
+ $output .= "</fieldset>";
+
+ return $output;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show query string
+ *
+ * @access private
+ * @return string
+ */
+ function _compile_uri_string()
+ {
+ $output = "\n\n";
+ $output .= '<fieldset style="border:1px solid #000;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+ $output .= "\n";
+ $output .= '<legend style="color:#000;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_uri_string').'&nbsp;&nbsp;</legend>';
+ $output .= "\n";
+
+ if ($this->CI->uri->uri_string == '')
+ {
+ $output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_uri')."</div>";
+ }
+ else
+ {
+ $output .= "<div style='color:#000;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->uri->uri_string."</div>";
+ }
+
+ $output .= "</fieldset>";
+
+ return $output;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show the controller and function that were called
+ *
+ * @access private
+ * @return string
+ */
+ function _compile_controller_info()
+ {
+ $output = "\n\n";
+ $output .= '<fieldset style="border:1px solid #995300;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+ $output .= "\n";
+ $output .= '<legend style="color:#995300;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_controller_info').'&nbsp;&nbsp;</legend>';
+ $output .= "\n";
+
+ $output .= "<div style='color:#995300;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->router->fetch_class()."/".$this->CI->router->fetch_method()."</div>";
+
+
+ $output .= "</fieldset>";
+
+ return $output;
+ }
+ // --------------------------------------------------------------------
+
+ /**
+ * Compile memory usage
+ *
+ * Display total used memory
+ *
+ * @access public
+ * @return string
+ */
+ function _compile_memory_usage()
+ {
+ $output = "\n\n";
+ $output .= '<fieldset style="border:1px solid #5a0099;padding:6px 10px 10px 10px;margin:20px 0 20px 0;background-color:#eee">';
+ $output .= "\n";
+ $output .= '<legend style="color:#5a0099;">&nbsp;&nbsp;'.$this->CI->lang->line('profiler_memory_usage').'&nbsp;&nbsp;</legend>';
+ $output .= "\n";
+
+ if (function_exists('memory_get_usage') && ($usage = memory_get_usage()) != '')
+ {
+ $output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".number_format($usage).' bytes</div>';
+ }
+ else
+ {
+ $output .= "<div style='color:#5a0099;font-weight:normal;padding:4px 0 4px 0'>".$this->CI->lang->line('profiler_no_memory_usage')."</div>";
+ }
+
+ $output .= "</fieldset>";
+
+ return $output;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Run the Profiler
+ *
+ * @access private
+ * @return string
+ */
+ function run()
+ {
+ $output = "<div id='codeigniter_profiler' style='clear:both;background-color:#fff;padding:10px;'>";
+
+ $output .= $this->_compile_uri_string();
+ $output .= $this->_compile_controller_info();
+ $output .= $this->_compile_memory_usage();
+ $output .= $this->_compile_benchmarks();
+ $output .= $this->_compile_get();
+ $output .= $this->_compile_post();
+ $output .= $this->_compile_queries();
+
+ $output .= '</div>';
+
+ return $output;
+ }
+
+}
+
+// END CI_Profiler class
+
+/* End of file Profiler.php */
+/* Location: ./system/libraries/Profiler.php */ \ No newline at end of file