|
1
|
|
|
<?php |
|
2
|
|
|
if ( ! defined( 'ABSPATH' ) ) { |
|
3
|
|
|
exit; |
|
4
|
|
|
} |
|
5
|
|
|
|
|
6
|
|
|
/** |
|
7
|
|
|
* Cart Fees API. |
|
8
|
|
|
* |
|
9
|
|
|
* Fees are additional costs added to orders. Implemtns Iterator for backwards compatibility. |
|
10
|
|
|
* |
|
11
|
|
|
* @class WC_Cart_Fees |
|
12
|
|
|
* @version 2.7.0 |
|
13
|
|
|
* @package WooCommerce/Classes |
|
14
|
|
|
* @category Class |
|
15
|
|
|
* @author WooThemes |
|
16
|
|
|
*/ |
|
17
|
|
|
class WC_Cart_Fees implements Iterator { |
|
18
|
|
|
|
|
19
|
|
|
/** |
|
20
|
|
|
* An array of fee objects. |
|
21
|
|
|
* @var object[] |
|
22
|
|
|
*/ |
|
23
|
|
|
private $fees = array(); |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* Iterator Position. |
|
27
|
|
|
* @var integer |
|
28
|
|
|
*/ |
|
29
|
|
|
private $position = 0; |
|
30
|
|
|
|
|
31
|
|
|
/** |
|
32
|
|
|
* Constructor. |
|
33
|
|
|
*/ |
|
34
|
|
|
public function __construct() { |
|
35
|
|
|
$this->position = 0; |
|
36
|
|
|
} |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* Rewind Iterator. |
|
40
|
|
|
*/ |
|
41
|
|
|
public function rewind() { |
|
42
|
|
|
$this->position = 0; |
|
43
|
|
|
} |
|
44
|
|
|
|
|
45
|
|
|
/** |
|
46
|
|
|
* Current Iterator. |
|
47
|
|
|
*/ |
|
48
|
|
|
public function current() { |
|
49
|
|
|
return $this->fees[ $this->position ]; |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
/** |
|
53
|
|
|
* Key Iterator. |
|
54
|
|
|
*/ |
|
55
|
|
|
public function key() { |
|
56
|
|
|
return $this->position; |
|
57
|
|
|
} |
|
58
|
|
|
|
|
59
|
|
|
/** |
|
60
|
|
|
* Next Iterator. |
|
61
|
|
|
*/ |
|
62
|
|
|
public function next() { |
|
63
|
|
|
++$this->position; |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
/** |
|
67
|
|
|
* Valid Iterator. |
|
68
|
|
|
*/ |
|
69
|
|
|
public function valid() { |
|
70
|
|
|
return isset( $this->fees[ $this->position ] ); |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
|
|
/** |
|
74
|
|
|
* Allow 3rd parties to calculate and register fees. |
|
75
|
|
|
*/ |
|
76
|
|
|
public function calculate_fees() { |
|
77
|
|
|
// Remove any existing fees. |
|
78
|
|
|
$this->set_fees( false ); |
|
|
|
|
|
|
79
|
|
|
|
|
80
|
|
|
// Fire an action where developers can add their fees |
|
81
|
|
|
do_action( 'woocommerce_cart_calculate_fees', WC()->cart ); |
|
82
|
|
|
|
|
83
|
|
|
// Return fees |
|
84
|
|
|
return $this->get_fees(); |
|
85
|
|
|
} |
|
86
|
|
|
|
|
87
|
|
|
/** |
|
88
|
|
|
* Generate a unique ID for the fee being added. |
|
89
|
|
|
* |
|
90
|
|
|
* @param string $fee Fee name. |
|
91
|
|
|
* @return string fee key. |
|
92
|
|
|
*/ |
|
93
|
|
|
public function generate_key( $fee ) { |
|
94
|
|
|
return sanitize_title( $fee ); |
|
95
|
|
|
} |
|
96
|
|
|
|
|
97
|
|
|
/** |
|
98
|
|
|
* Get fees. |
|
99
|
|
|
* @return array |
|
100
|
|
|
*/ |
|
101
|
|
|
public function get_fees() { |
|
102
|
|
|
return $this->fees; |
|
103
|
|
|
} |
|
104
|
|
|
|
|
105
|
|
|
/** |
|
106
|
|
|
* Set fees. |
|
107
|
|
|
* @param object[] $value Array of fees. |
|
108
|
|
|
*/ |
|
109
|
|
|
public function set_fees( $value ) { |
|
110
|
|
|
$this->fees = array_filter( (array) $value ); |
|
111
|
|
|
} |
|
112
|
|
|
} |
|
113
|
|
|
|
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: