Timer::formatTime() - Code Metrics - Inspection of "feat: human readable time format" - Ayesh/php-timer - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( c37811...4041f9 )

by Ayesh

created 2020-01-06 12:35 UTC

Timer::formatTime() A

↳ Parent: Timer

Complexity

Conditions	5
Paths	5

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
dl	0
loc	16
rs	9.4222
c	0
b	0
f	0
cc	5
nc	5
nop	2

<?php
declare(strict_types = 1);

namespace Ayesh\PHP_Timer;

/**
 * Class Timer
 *
 * Helper class to measure the execution time between two points in a single
 * request.
 *
 * @package Ayesh\PHP_Timer
 */
class Timer {
  public const FORMAT_PRECISE = FALSE;
  public const FORMAT_MILLISECONDS = 'ms';
  public const FORMAT_SECONDS = 's';
  public const FORMAT_HUMAN = 'h';

  private const TIMES = [
    'hour'   => 3600000,
    'minute' => 60000,
    'second' => 1000,
  ];

  /**
   * Stores all the timers statically.
   * @var Stopwatch[]
   */
  static private $timers = [];

  /**
   * Start or resume the timer.
   *
   * Call this method to start the timer with a given key. The default key
   * is "default", and used in @see \Ayesh\PHP_Timer\Timer::read() and reset()
   * methods as well
   *
   * Calling this with the same $key will not restart the timer if it has already
   * started.
   *
   * @param string $key
   */
  public static function start(string $key = 'default'): void {
    if (isset(self::$timers[$key])) {
      self::$timers[$key]->start();
    }
    else {
      self::$timers[$key] = new Stopwatch();
    }
  }

  /**
   * Resets a specific timer, or default timer if not passed the $key parameter.
   * To reset all timers, call @see \Ayesh\PHP_Timer\Timer::resetAll().
   * @param string $key
   */
  public static function reset(string $key = 'default'): void {
    unset(self::$timers[$key]);
  }

  /**
   * Resets ALL timers.
   * To reset a specific timer, @see \Ayesh\PHP_Timer\Timer::reset().
   */
  public static function resetAll(): void {
    self::$timers = [];
  }

  /**
   * Formats the given time the processor into the given format.
   * @param float $value
   * @param string|bool $format
   * @return string
   */
  private static function formatTime(float $value, $format): string {
    switch ($format) {
      case static::FORMAT_MILLISECONDS:
        return (string) round($value * 1000, 2);

      case static::FORMAT_SECONDS:
        return (string) round($value, 3);

      case static::FORMAT_HUMAN:
        return static::secondsToTimeString($value);
class YourClass
{
    private static function getTemperature() {
        return "3422 °C";
}

public static function getSomeVariable()
{
    return static::getTemperature();
}

      case static::FORMAT_PRECISE:
      default:
        return (string) ($value * 1000);
    }
  }

  private static function secondsToTimeString(float $time): string
  {
    $ms = \round($time * 1000);

    foreach (self::TIMES as $unit => $value) {
      if ($ms >= $value) {
        $time = floor($ms / $value * 100.0) / 100.0;
        return $time . ' ' . ($time == 1 ? $unit : $unit . 's');
      }
    }

    return $ms . ' ms';
  }

  /**
   * Returns the time elapsed in the format requested in the $format parameter.
   * To access a specific timer, pass the same key that
   * @see \Ayesh\PHP_Timer\Timer::start() was called with. If the timer was not
   * started, a \LogicException will be thrown.
   *
   * The default format is milliseconds. See the class constants for additional
   * formats.
   *
   * @param string $key The key that the timer was started with. Default value is
   *   "default" throughout the class.
   * @param string $format
   * @return mixed The formatted time.
   * @throws \LogicException
   */
  public static function read(string $key = 'default', $format = self::FORMAT_MILLISECONDS) {
    if (isset(self::$timers[$key])) {
      return self::formatTime(self::$timers[$key]->read(), $format);
    }
    throw new \LogicException('Reading timer when the given key timer was not initialized.');
  }

  /**
   * Stops the timer with the given key. Default key is "default"
   *
   * @param string $key
   *
   * @throws \LogicException If the attempted timer has not started already.
   */
  public static function stop($key = 'default'): void {
    if (isset(self::$timers[$key])) {
      self::$timers[$key]->stop();
    } else {
      throw new \LogicException('Stopping timer when the given key timer was not initialized.');
    }
  }

  /**
   * Return a list of timer names. Note that resetting a timer removes the timer.
   * @return string[]
   */
  public static function getTimers(): array {
    return array_keys(self::$timers);
  }
}


1			<?php
2			declare(strict_types = 1);
3
4			namespace Ayesh\PHP_Timer;
5
6			/**
7			* Class Timer
8			*
9			* Helper class to measure the execution time between two points in a single
10			* request.
11			*
12			* @package Ayesh\PHP_Timer
13			*/
14			class Timer {
15			public const FORMAT_PRECISE = FALSE;
16			public const FORMAT_MILLISECONDS = 'ms';
17			public const FORMAT_SECONDS = 's';
18			public const FORMAT_HUMAN = 'h';
19
20			private const TIMES = [
21			'hour' => 3600000,
22			'minute' => 60000,
23			'second' => 1000,
24			];
25
26			/**
27			* Stores all the timers statically.
28			* @var Stopwatch[]
29			*/
30			static private $timers = [];
31
32			/**
33			* Start or resume the timer.
34			*
35			* Call this method to start the timer with a given key. The default key
36			* is "default", and used in @see \Ayesh\PHP_Timer\Timer::read() and reset()
37			* methods as well
38			*
39			* Calling this with the same $key will not restart the timer if it has already
40			* started.
41			*
42			* @param string $key
43			*/
44			public static function start(string $key = 'default'): void {
45			if (isset(self::$timers[$key])) {
46			self::$timers[$key]->start();
47			}
48			else {
49			self::$timers[$key] = new Stopwatch();
50			}
51			}
52
53			/**
54			* Resets a specific timer, or default timer if not passed the $key parameter.
55			* To reset all timers, call @see \Ayesh\PHP_Timer\Timer::resetAll().
56			* @param string $key
57			*/
58			public static function reset(string $key = 'default'): void {
59			unset(self::$timers[$key]);
60			}
61
62			/**
63			* Resets ALL timers.
64			* To reset a specific timer, @see \Ayesh\PHP_Timer\Timer::reset().
65			*/
66			public static function resetAll(): void {
67			self::$timers = [];
68			}
69
70			/**
71			* Formats the given time the processor into the given format.
72			* @param float $value
73			* @param string\|bool $format
74			* @return string
75			*/
76			private static function formatTime(float $value, $format): string {
77			switch ($format) {
78			case static::FORMAT_MILLISECONDS:
79			return (string) round($value * 1000, 2);
80
81			case static::FORMAT_SECONDS:
82			return (string) round($value, 3);
83
84			case static::FORMAT_HUMAN:
85			return static::secondsToTimeString($value);
			0 ignored issues – show Bug introduced 2020-01-05 23:47 UTC by Report Bug Copy Issue Report Since `secondsToTimeString()` is declared private, calling it with `static` will lead to errors in possible sub-classes. You can either use `self`, or increase the visibility of `secondsToTimeString()` to at least protected. Let’s assume you have a class which uses late-static binding: class YourClass { private static function getTemperature() { return "3422 °C"; } public static function getSomeVariable() { return static::getTemperature(); } } The code above will run fine in your PHP runtime. However, if you now create a sub-class and call the `getSomeVariable()` on that sub-class, you will receive a runtime error: class YourSubClass extends YourClass { private static function getTemperature() { return "-182 °C"; } } print YourSubClass::getSomeVariable(); // Will cause an access error. In the case above, it makes sense to update `SomeClass` to use `self` instead: class YourClass { private static function getTemperature() { return "3422 °C"; } public static function getSomeVariable() { return self::getTemperature(); } } Loading history...
86
87			case static::FORMAT_PRECISE:
88			default:
89			return (string) ($value * 1000);
90			}
91			}
92
93			private static function secondsToTimeString(float $time): string
94			{
95			$ms = \round($time * 1000);
96
97			foreach (self::TIMES as $unit => $value) {
98			if ($ms >= $value) {
99			$time = floor($ms / $value * 100.0) / 100.0;
100			return $time . ' ' . ($time == 1 ? $unit : $unit . 's');
101			}
102			}
103
104			return $ms . ' ms';
105			}
106
107			/**
108			* Returns the time elapsed in the format requested in the $format parameter.
109			* To access a specific timer, pass the same key that
110			* @see \Ayesh\PHP_Timer\Timer::start() was called with. If the timer was not
111			* started, a \LogicException will be thrown.
112			*
113			* The default format is milliseconds. See the class constants for additional
114			* formats.
115			*
116			* @param string $key The key that the timer was started with. Default value is
117			* "default" throughout the class.
118			* @param string $format
119			* @return mixed The formatted time.
120			* @throws \LogicException
121			*/
122			public static function read(string $key = 'default', $format = self::FORMAT_MILLISECONDS) {
123			if (isset(self::$timers[$key])) {
124			return self::formatTime(self::$timers[$key]->read(), $format);
125			}
126			throw new \LogicException('Reading timer when the given key timer was not initialized.');
127			}
128
129			/**
130			* Stops the timer with the given key. Default key is "default"
131			*
132			* @param string $key
133			*
134			* @throws \LogicException If the attempted timer has not started already.
135			*/
136			public static function stop($key = 'default'): void {
137			if (isset(self::$timers[$key])) {
138			self::$timers[$key]->stop();
139			} else {
140			throw new \LogicException('Stopping timer when the given key timer was not initialized.');
141			}
142			}
143
144			/**
145			* Return a list of timer names. Note that resetting a timer removes the timer.
146			* @return string[]
147			*/
148			public static function getTimers(): array {
149			return array_keys(self::$timers);
150			}
151			}
152

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Timer::formatTime() A

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