Event::subscribeTo() - Code Metrics - Inspection of "fix : remove cyclic dependencies" - scrawler-labs/arca-orm - Measure and Improve Code Quality continuously with Scrutinizer

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by Pranjal

created 2023-12-07 13:44 UTC

Event::subscribeTo() A

↳ Parent: Event

Complexity

Conditions	2
Paths	2

Size

Total Lines	6
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	1	Features	0

Metric	Value
cc	2
eloc	3
c	1
b	1
f	0
nc	2
nop	3
dl	0
loc	6
rs	10

<?php
declare(strict_types=1);

namespace Scrawler\Arca;


/**
 * A simple event system for any PHP Project
 */
class Event
{
    static $events;

    /**
     * Register an event before it becoming available for use
     */
    private static function register(string $eventname): void
    {
        if (!isset(self::$events[$eventname])) {
            self::$events[$eventname] = array();
        }
    }

    /**
     * Subscribe to a defined event.
     */
    public static function subscribeTo(string $eventname, callable $callback, int $priority = 0): void
    {
        if (!self::isEvent($eventname)) {
            self::register($eventname);
        }
        self::$events[$eventname][$priority][] = $callback;
    }

    /**
     * Trigger an event, and call all subscribers, giving an array of params.
     * returns the data returned by the last subscriber.
     */
    public static function dispatch($eventname, $params) : mixed
    {
        $data = null;
        if (!self::isEvent($eventname)) {
            self::register($eventname);
        }
        foreach (self::$events[$eventname] as $key => $weight) {
            foreach ($weight as $callback) {
                $data = call_user_func_array($callback, $params);
            }
        }

        return $data;
    }

    /**
     * Check that an event is valid before interacting with it.
     *
     */
    private static function isEvent($eventname)
    {
        if (!isset(self::$events[$eventname]) || !is_array(self::$events[$eventname])) {
            return false;
        }
        return true;
    }
}



1			<?php
2			declare(strict_types=1);
3
4			namespace Scrawler\Arca;
5
6
7			/**
8			* A simple event system for any PHP Project
9			*/
10			class Event
11			{
12			static $events;
13
14			/**
15			* Register an event before it becoming available for use
16			*/
17			private static function register(string $eventname): void
18			{
19			if (!isset(self::$events[$eventname])) {
20			self::$events[$eventname] = array();
21			}
22			}
23
24			/**
25			* Subscribe to a defined event.
26			*/
27			public static function subscribeTo(string $eventname, callable $callback, int $priority = 0): void
28			{
29			if (!self::isEvent($eventname)) {
30			self::register($eventname);
31			}
32			self::$events[$eventname][$priority][] = $callback;
33			}
34
35			/**
36			* Trigger an event, and call all subscribers, giving an array of params.
37			* returns the data returned by the last subscriber.
38			*/
39			public static function dispatch($eventname, $params) : mixed
40			{
41			$data = null;
42			if (!self::isEvent($eventname)) {
43			self::register($eventname);
44			}
45			foreach (self::$events[$eventname] as $key => $weight) {
46			foreach ($weight as $callback) {
47			$data = call_user_func_array($callback, $params);
48			}
49			}
50
51			return $data;
52			}
53
54			/**
55			* Check that an event is valid before interacting with it.
56			*
57			*/
58			private static function isEvent($eventname)
59			{
60			if (!isset(self::$events[$eventname]) \|\| !is_array(self::$events[$eventname])) {
61			return false;
62			}
63			return true;
64			}
65			}
66
67

scrawler-labs / arca-orm

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Event::subscribeTo() A

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