diff options
Diffstat (limited to 'system/core/Benchmark.php')
| -rw-r--r--[-rwxr-xr-x] | system/core/Benchmark.php | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/system/core/Benchmark.php b/system/core/Benchmark.php index f6b634deb..e80ee54dd 100755..100644 --- a/system/core/Benchmark.php +++ b/system/core/Benchmark.php @@ -1,4 +1,4 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php /** * CodeIgniter * @@ -24,14 +24,13 @@ * @since Version 1.0 * @filesource */ - -// ------------------------------------------------------------------------ +defined('BASEPATH') OR exit('No direct script access allowed'); /** - * CodeIgniter Benchmark Class + * Benchmark Class * * This class enables you to mark points and calculate the time difference - * between them. Memory consumption can also be displayed. + * between them. Memory consumption can also be displayed. * * @package CodeIgniter * @subpackage Libraries @@ -42,31 +41,31 @@ class CI_Benchmark { /** - * List of all benchmark markers and when they were added + * List of all benchmark markers * - * @var array + * @var array */ public $marker = array(); - // -------------------------------------------------------------------- - /** * Set a benchmark marker * * Multiple calls to this function can be made so that several - * execution points can be timed + * execution points can be timed. * - * @param string $name name of the marker + * @param string $name Marker name * @return void */ public function mark($name) { - $this->marker[$name] = microtime(); + $this->marker[$name] = microtime(TRUE); } // -------------------------------------------------------------------- /** + * Elapsed time + * * Calculates the time difference between two marked points. * * If the first parameter is empty this function instead returns the @@ -74,14 +73,17 @@ class CI_Benchmark { * execution time to be shown in a template. The output class will * swap the real value for this variable. * - * @param string a particular marked point - * @param string a particular marked point - * @param integer the number of decimal places - * @return mixed + * @param string $point1 A particular marked point + * @param string $point2 A particular marked point + * @param int $decimals Number of decimal places + * + * @return string Calculated elapsed time on success, + * an '{elapsed_string}' if $point1 is empty + * or an empty string if $point1 is not found. */ public function elapsed_time($point1 = '', $point2 = '', $decimals = 4) { - if ($point1 == '') + if ($point1 === '') { return '{elapsed_time}'; } @@ -93,13 +95,10 @@ class CI_Benchmark { if ( ! isset($this->marker[$point2])) { - $this->marker[$point2] = microtime(); + $this->marker[$point2] = microtime(TRUE); } - list($sm, $ss) = explode(' ', $this->marker[$point1]); - list($em, $es) = explode(' ', $this->marker[$point2]); - - return number_format(($em + $es) - ($sm + $ss), $decimals); + return number_format($this->marker[$point2] - $this->marker[$point1], $decimals); } // -------------------------------------------------------------------- @@ -107,12 +106,13 @@ class CI_Benchmark { /** * Memory Usage * - * This function returns the {memory_usage} pseudo-variable. + * Simply returns the {memory_usage} marker. + * * This permits it to be put it anywhere in a template * without the memory being calculated until the end. * The output class will swap the real value for this variable. * - * @return string + * @return string '{memory_usage}' */ public function memory_usage() { @@ -122,4 +122,4 @@ class CI_Benchmark { } /* End of file Benchmark.php */ -/* Location: ./system/core/Benchmark.php */ +/* Location: ./system/core/Benchmark.php */
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