blob: fa14af131f10644689c0d0efffb6d8b9ceeac3f9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
|
<?php
namespace Core\Plugin;
/**
* Plugin Hooks Handler
*
* @package plugin
* @author Frederic Guillot
*/
class Hook
{
/**
* List of hooks
*
* @access private
* @var array
*/
private $hooks = array();
/**
* Bind something on a hook
*
* @access public
* @param string $hook
* @param mixed $value
*/
public function on($hook, $value)
{
if (! isset($this->hooks[$hook])) {
$this->hooks[$hook] = array();
}
$this->hooks[$hook][] = $value;
}
/**
* Get all bindings for a hook
*
* @access public
* @param string $hook
* @return array
*/
public function getListeners($hook)
{
return isset($this->hooks[$hook]) ? $this->hooks[$hook] : array();
}
/**
* Return true if the hook is used
*
* @access public
* @param string $hook
* @return boolean
*/
public function exists($hook)
{
return isset($this->hooks[$hook]);
}
/**
* Merge listener results with input array
*
* @access public
* @param string $hook
* @param array $values
* @param array $params
* @return array
*/
public function merge($hook, array &$values, array $params = array())
{
foreach ($this->getListeners($hook) as $listener) {
$result = call_user_func_array($listener, $params);
if (is_array($result) && ! empty($result)) {
$values = array_merge($values, $result);
}
}
return $values;
}
/**
* Execute only first listener
*
* @access public
* @param string $hook
* @param array $params
* @return mixed
*/
public function first($hook, array $params = array())
{
foreach ($this->getListeners($hook) as $listener) {
return call_user_func_array($listener, $params);
}
return null;
}
}
|