defender-security / src / component / class-timer.php

class-timer.php in Defender Security – Malware Scanner, Login Security & Firewall trunk, at src/component/class-timer.php

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1	<?php
2	/**
3	* Handles time related tasks.
4	*
5	* @package WP_Defender\Component
6	*/
7
8	namespace WP_Defender\Component;
9
10	use Calotes\Base\Component;
11
12	/**
13	* Handles time related tasks.
14	*/
15	class Timer extends Component {
16
17	/**
18	* The start time of the timer.
19	*
20	* @var int
21	*/
22	protected $clock;
23
24	/**
25	* Constructor initializes and starts the timer.
26	*/
27	public function __construct() {
28	$this->start();
29	}
30
31	/**
32	* Retrieves the maximum execution time allowed for scripts, halved.
33	*
34	* @return int The half of the maximum execution time in seconds.
35	*/
36	public function get_max_time() {
37	$max = ini_get( 'max_execution_time' );
38	if ( ! filter_var( $max, FILTER_VALIDATE_INT ) ) {
39	$max = 30;
40	}
41
42	return $max / 2;
43	}
44
45	/**
46	* Starts or restarts the timer.
47	*
48	* @return void
49	*/
50	public function start(): void {
51	$this->clock = defender_get_current_time();
52	}
53
54	/**
55	* Checks if the elapsed time has exceeded half of the maximum execution time.
56	*
57	* @return bool True if the current elapsed time is less than half of the max execution time, false otherwise.
58	*/
59	public function check(): bool {
60	if ( ( $this->get_difference() / 1000 ) >= $this->get_max_time() ) {
61	return false;
62	}
63
64	return true;
65	}
66
67	/**
68	* Calculates the difference in seconds from when the timer was started to the current time.
69	*
70	* @return int The time difference in seconds.
71	*/
72	public function get_difference(): int {
73	return defender_get_current_time() - $this->clock;
74	}
75	}
76