CallFuncMemorySniffer - Code Metrics - Inspection of "Add CallbackContainerBuilder, LoggableContainerBui..." - onoi/callback-container - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#4)

by mw

created 2016-11-26 15:52 UTC

CallFuncMemorySniffer A

↳ Parent: Project

Complexity

Total Complexity

Size/Duplication

Total Lines	85
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Test Coverage

Coverage

96.3%

Importance

Changes

Metric	Value
wmc	9
lcom	1
cbo	0
dl	0
loc	85
ccs	26
cts	27
cp	0.963
rs	10
c	0
b	0
f	0

4 Methods

Rating	Name	Size	Complexity
A	memoryTick()	5	2
B	call()	30	5
A	getMemoryUsed()	3	1
A	getTimeUsed()	3	1

<?php

namespace Onoi\CallbackContainer;

use RuntimeException;

/**
 * @see http://stackoverflow.com/questions/19973037/benchmark-memory-usage-in-php
 *
 * @license GNU GPL v2+
 * @since 2.0
 */
class CallFuncMemorySniffer {

	/**
	 * @var integer
	 */
	private static $max;

	/**
	 * @var integer
	 */
	private static $memory;

	/**
	 * @var integer
	 */
	private $time;

	/**
	 * @since 2.0
	 */
	public static function memoryTick() {
		self::$memory = memory_get_usage() - self::$memory;
		self::$max    = self::$memory > self::$max ? self::$memory : self::$max;
		self::$memory = memory_get_usage();
	}

	/**
	 * @since 2.0
	 *
	 * @param Closure|callable $func
	 * @param array|null $args
	 *
	 * @return mixed
	 * @throws RuntimeException
	 */
	public function call( $func, $args = null ) {

		if ( !is_callable( $func ) ) {
			throw new RuntimeException( "Function is not callable" );
		}

		// HHVM ... Fatal error: Call to undefined function
		if ( !function_exists( 'register_tick_function' ) ) {
			return is_array( $args ) ? call_user_func_array( $func, $args ): call_user_func( $func );
		}

		declare( ticks=1 );

		self::$memory = memory_get_usage();
		self::$max    = 0;

		register_tick_function(
			'call_user_func_array',
			array( '\Onoi\CallbackContainer\CallFuncMemorySniffer', 'memoryTick' ),
			array()
		);

		$this->time = microtime( true );
$answer = 42;

$correct = false;

$correct = (bool) $answer;
		$result = is_array( $args ) ? call_user_func_array( $func, $args ): call_user_func( $func );
		$this->time = microtime( true ) - $this->time;
$answer = 42;

$correct = false;

$correct = (bool) $answer;

		unregister_tick_function( 'call_user_func_array' );

		return $result;
	}

	/**
	 * @since 2.0
	 *
	 * @return integer
	 */
	public function getMemoryUsed() {
		return self::$max;
	}

	/**
	 * @since 2.0
	 *
	 * @return float
	 */
	public function getTimeUsed() {
		return $this->time;
	}

}


1		<?php
2
3		namespace Onoi\CallbackContainer;
4
5		use RuntimeException;
6
7		/**
8		* @see http://stackoverflow.com/questions/19973037/benchmark-memory-usage-in-php
9		*
10		* @license GNU GPL v2+
11		* @since 2.0
12		*/
13		class CallFuncMemorySniffer {
14
15		/**
16		* @var integer
17		*/
18		private static $max;
19
20		/**
21		* @var integer
22		*/
23		private static $memory;
24
25		/**
26		* @var integer
27		*/
28		private $time;
29
30		/**
31		* @since 2.0
32		*/
33	2	public static function memoryTick() {
34	2	self::$memory = memory_get_usage() - self::$memory;
35	2	self::$max = self::$memory > self::$max ? self::$memory : self::$max;
36	2	self::$memory = memory_get_usage();
37	2	}
38
39		/**
40		* @since 2.0
41		*
42		* @param Closure\|callable $func
43		* @param array\|null $args
44		*
45		* @return mixed
46		* @throws RuntimeException
47		*/
48	3	public function call( $func, $args = null ) {
49
50	3	if ( !is_callable( $func ) ) {
51	1	throw new RuntimeException( "Function is not callable" );
52		}
53
54		// HHVM ... Fatal error: Call to undefined function
55	2	if ( !function_exists( 'register_tick_function' ) ) {
56		return is_array( $args ) ? call_user_func_array( $func, $args ): call_user_func( $func );
57		}
58
59	2	declare( ticks=1 );
60
61	2	self::$memory = memory_get_usage();
62	2	self::$max = 0;
63
64	2	register_tick_function(
65	2	'call_user_func_array',
66	2	array( '\Onoi\CallbackContainer\CallFuncMemorySniffer', 'memoryTick' ),
67	2	array()
68	2	);
69
70	2	$this->time = microtime( true );
		0 ignored issues – show Documentation Bug introduced 2016-11-26 05:03 UTC by Report Bug Copy Issue Report The property `$time` was declared of type `integer`, but `microtime(true)` is of type `double`. Maybe add a type cast? This check looks for assignments to scalar types that may be of the wrong type. To ensure the code behaves as expected, it may be a good idea to add an explicit type cast. $answer = 42; $correct = false; $correct = (bool) $answer; Loading history...
71	2	$result = is_array( $args ) ? call_user_func_array( $func, $args ): call_user_func( $func );
72	2	$this->time = microtime( true ) - $this->time;
		0 ignored issues – show Documentation Bug introduced 2016-11-26 05:03 UTC by Report Bug Copy Issue Report The property `$time` was declared of type `integer`, but `microtime(true) - $this->time` is of type `double`. Maybe add a type cast? This check looks for assignments to scalar types that may be of the wrong type. To ensure the code behaves as expected, it may be a good idea to add an explicit type cast. $answer = 42; $correct = false; $correct = (bool) $answer; Loading history...
73
74	2	unregister_tick_function( 'call_user_func_array' );
75
76	2	return $result;
77		}
78
79		/**
80		* @since 2.0
81		*
82		* @return integer
83		*/
84	2	public function getMemoryUsed() {
85	2	return self::$max;
86		}
87
88		/**
89		* @since 2.0
90		*
91		* @return float
92		*/
93	2	public function getTimeUsed() {
94	2	return $this->time;
95		}
96
97		}
98

onoi / callback-container

Pull Request — master (#4)

CallFuncMemorySniffer A

Complexity

Size/Duplication

Coupling/Cohesion

Test Coverage

Importance

4 Methods

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