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Diffstat (limited to 'system/libraries/Profiler.php')
| -rw-r--r-- | system/libraries/Profiler.php | 392 |
1 files changed, 392 insertions, 0 deletions
diff --git a/system/libraries/Profiler.php b/system/libraries/Profiler.php new file mode 100644 index 000000000..ecd0e708d --- /dev/null +++ b/system/libraries/Profiler.php @@ -0,0 +1,392 @@ +<?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"; + $output .= '<legend style="color:#990000;"> '.$this->CI->lang->line('profiler_benchmarks').' </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." </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"; + $output .= '<legend style="color:#0000FF;"> '.$this->CI->lang->line('profiler_queries').' </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 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', '(', ')'); + + $output = "\n\n"; + + foreach ($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"; + $output .= '<legend style="color:#0000FF;"> '.$this->CI->lang->line('profiler_database').': '.$db->database.' '.$this->CI->lang->line('profiler_queries').': '.count($this->CI->db->queries).' </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." </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"; + $output .= '<legend style="color:#cd6e00;"> '.$this->CI->lang->line('profiler_get_data').' </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."'"; + } + + $output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>$_GET[".$key."] </td><td width='50%' style='color:#cd6e00;font-weight:normal;background-color:#ddd;'>"; + if (is_array($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"; + $output .= '<legend style="color:#009900;"> '.$this->CI->lang->line('profiler_post_data').' </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."'"; + } + + $output .= "<tr><td width='50%' style='color:#000;background-color:#ddd;'>$_POST[".$key."] </td><td width='50%' style='color:#009900;font-weight:normal;background-color:#ddd;'>"; + if (is_array($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"; + $output .= '<legend style="color:#000;"> '.$this->CI->lang->line('profiler_uri_string').' </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"; + $output .= '<legend style="color:#995300;"> '.$this->CI->lang->line('profiler_controller_info').' </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"; + $output .= '<legend style="color:#5a0099;"> '.$this->CI->lang->line('profiler_memory_usage').' </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 */
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