mirror/processwire
1
0
Fork 0
mirror of https://github.com/processwire/processwire.git synced 2025-08-10 00:37:02 +02:00
Code Issues Releases Wiki Activity

Update core Debug class to use PHP 7.3 hrtime() function for timers (rather than microtime), when available. Also add support for configuring timer precision via Debug::timerSetting('precision', $n) where $n is number of decimals. Default is 4.

Browse Source
This commit is contained in:
Ryan Cramer
2020-04-17 08:21:23 -04:00
parent 89dbf0f96c
commit dde4c92b78
1 changed files with 59 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

61
wire/core/Debug.php
View File

@@ -10,7 +10,7 @@
* This file is licensed under the MIT license * This file is licensed under the MIT license
* https://processwire.com/about/license/mit/ * https://processwire.com/about/license/mit/
* *
* ProcessWire 3.x, Copyright 2016 by Ryan Cramer * ProcessWire 3.x, Copyright 2020 by Ryan Cramer
* https://processwire.com * https://processwire.com
* *
*/ */
@@ -41,6 +41,25 @@ class Debug {
*/ */
static protected $savedTimerNotes = array(); static protected $savedTimerNotes = array();
/**
* Use hrtime()?
*
* @var null|bool
*
*/
static protected $useHrtime = null;
/**
* Timer precision (digits after decimal)
*
* @var int
*
*/
static protected $timerSettings = array(
'precision' => 4,
'useHrtime' => null,
);
/** /**
* Measure time between two events * Measure time between two events
* *
@@ -58,26 +77,60 @@ class Debug {
* *
*/ */
static public function timer($key = '', $reset = false) { static public function timer($key = '', $reset = false) {
if(self::$timerSettings['useHrtime'] === null) {
self::$timerSettings['useHrtime'] = function_exists("\\hrtime");
}
// returns number of seconds elapsed since first call // returns number of seconds elapsed since first call
if($reset && $key) self::removeTimer($key); if($reset && $key) self::removeTimer($key);
if(!$key || !isset(self::$timers[$key])) { if(!$key || !isset(self::$timers[$key])) {
// start new timer // start new timer
$startTime = -microtime(true); $startTime = self::$timerSettings['useHrtime'] ? hrtime(true) : -microtime(true);
if(!$key) { if(!$key) {
$key = (string) $startTime; $key = (string) $startTime;
while(isset(self::$timers[$key])) $key .= "0"; while(isset(self::$timers[$key])) $key .= "0";
} }
self::$timers[(string) $key] = $startTime; self::$timers[(string) $key] = $startTime;
$value = $key; $value = $key;
} else { } else {
// return existing timer // finish a timer
$value = number_format(self::$timers[$key] + microtime(true), 4); if(self::$timerSettings['useHrtime']) {
// return existing hrtime timer
$value = ((hrtime(true) - self::$timers[$key]) / 1e+6) / 1000;
} else {
// return existing microtime timer
$value = self::$timers[$key] + microtime(true);
}
if(self::$timerSettings['precision']) {
$value = number_format($value, self::$timerSettings['precision']);
}
} }
return $value; return $value;
} }
/**
* Get or set timer setting
*
* ~~~~~~
* // Example of changing precision to 2
* Debug::timerSetting('precision', 2);
* ~~~~~~
*
* @param string $key
* @param mixed|null $value
* @return mixed
* @since 3.0.154
*
*/
static public function timerSetting($key, $value = null) {
if($value !== null) self::$timerSettings[$key] = $value;
return self::$timerSettings[$key];
}
/** /**
* Save the current time of the given timer which can be later retrieved with getSavedTimer($key) * Save the current time of the given timer which can be later retrieved with getSavedTimer($key)
* *