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 .= '
';
$output .= "\n";
$output .= ' '.$this->CI->lang->line('profiler_benchmarks').' ';
$output .= "\n";
$output .= "\n\n\n";
foreach ($profile as $key => $val)
{
$key = ucwords(str_replace(array('_', '-'), ' ', $key));
$output .= "".$key." ".$val." \n";
}
$output .= "
\n";
$output .= " ";
return $output;
}
// --------------------------------------------------------------------
/**
* Compile Queries
*
* @access private
* @return string
*/
function _compile_queries()
{
$output = "\n\n";
$output .= '';
$output .= "\n";
if ( ! class_exists('CI_DB_driver'))
{
$output .= ' '.$this->CI->lang->line('profiler_queries').' ';
$output .= "\n";
$output .= "\n\n\n";
$output .="".$this->CI->lang->line('profiler_no_db')." \n";
}
else
{
$output .= ' '.$this->CI->lang->line('profiler_queries').' ('.count($this->CI->db->queries).') ';
$output .= "\n";
$output .= "\n\n\n";
if (count($this->CI->db->queries) == 0)
{
$output .= "".$this->CI->lang->line('profiler_no_queries')." \n";
}
else
{
$highlight = array('SELECT', 'FROM', 'WHERE', 'AND', 'OR', 'LEFT JOIN', 'ORDER BY', 'LIMIT', 'INSERT', 'INTO', 'VALUES', 'UPDATE');
foreach ($this->CI->db->queries as $key => $val)
{
$val = htmlspecialchars($val, ENT_QUOTES);
$time = number_format($this->CI->db->query_times[$key], 4);
foreach ($highlight as $bold)
{
$val = str_replace($bold, ''.$bold.' ', $val);
}
$output .= "".$time." ".$val." \n";
}
}
}
$output .= "
\n";
$output .= "";
return $output;
}
// --------------------------------------------------------------------
/**
* Compile $_GET Data
*
* @access private
* @return string
*/
function _compile_get()
{
$output = "\n\n";
$output .= '';
$output .= "\n";
$output .= ' '.$this->CI->lang->line('profiler_get_data').' ';
$output .= "\n";
if (count($_GET) == 0)
{
$output .= "".$this->CI->lang->line('profiler_no_get')."
";
}
else
{
$output .= "\n\n\n";
foreach ($_GET as $key => $val)
{
if ( ! is_numeric($key))
{
$key = "'".$key."'";
}
$output .= "$_GET[".$key."] ";
if (is_array($val))
{
$output .= "" . htmlspecialchars(stripslashes(print_r($val, true))) . " ";
}
else
{
$output .= htmlspecialchars(stripslashes($val));
}
$output .= " \n";
}
$output .= "
\n";
}
$output .= " ";
return $output;
}
// --------------------------------------------------------------------
/**
* Compile $_POST Data
*
* @access private
* @return string
*/
function _compile_post()
{
$output = "\n\n";
$output .= '';
$output .= "\n";
$output .= ' '.$this->CI->lang->line('profiler_post_data').' ';
$output .= "\n";
if (count($_POST) == 0)
{
$output .= "".$this->CI->lang->line('profiler_no_post')."
";
}
else
{
$output .= "\n\n\n";
foreach ($_POST as $key => $val)
{
if ( ! is_numeric($key))
{
$key = "'".$key."'";
}
// $output .= "$_POST[".$key."] ".htmlspecialchars(stripslashes($val))." \n";
$output .= "$_POST[".$key."] ";
if (is_array($val))
{
$output .= "" . htmlspecialchars(stripslashes(print_r($val, true))) . " ";
}
else
{
$output .= htmlspecialchars(stripslashes($val));
}
$output .= " \n";
}
$output .= "
\n";
}
$output .= " ";
return $output;
}
// --------------------------------------------------------------------
/**
* Show query string
*
* @access private
* @return string
*/
function _compile_uri_string()
{
$output = "\n\n";
$output .= '';
$output .= "\n";
$output .= ' '.$this->CI->lang->line('profiler_uri_string').' ';
$output .= "\n";
if ($this->CI->uri->uri_string == '')
{
$output .= "".$this->CI->lang->line('profiler_no_uri')."
";
}
else
{
$output .= "".$this->CI->uri->uri_string."
";
}
$output .= " ";
return $output;
}
// --------------------------------------------------------------------
/**
* Compile memory usage
*
* Display total used memory
*
* @access public
* @return string
*/
function _compile_memory_usage()
{
$output = "\n\n";
$output .= '';
$output .= "\n";
$output .= ' '.$this->CI->lang->line('profiler_memory_usage').' ';
$output .= "\n";
if (function_exists('memory_get_usage') && ($usage = memory_get_usage()) != '')
{
$output .= "".number_format($usage).' bytes
';
}
else
{
$output .= "".$this->CI->lang->line('profiler_no_memory_usage')."
";
}
$output .= " ";
return $output;
}
// --------------------------------------------------------------------
/**
* Run the Profiler
*
* @access private
* @return string
*/
function run()
{
$output = ' ';
$output .= "";
$output .= $this->_compile_memory_usage();
$output .= $this->_compile_benchmarks();
$output .= $this->_compile_uri_string();
$output .= $this->_compile_get();
$output .= $this->_compile_post();
$output .= $this->_compile_queries();
$output .= '
';
return $output;
}
}
// END CI_Profiler class
?>