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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
<?php
/**
* Foreach Runtime Methods count(), init(), restore()
*
* @package Smarty
* @subpackage PluginsInternal
* @author Uwe Tews
*
*/
class Smarty_Internal_Runtime_Foreach
{
/**
* Stack of saved variables
*
* @var array
*/
private $stack = array();
/**
* Init foreach loop
* - save item and key variables, named foreach property data if defined
* - init item and key variables, named foreach property data if required
* - count total if required
*
* @param \Smarty_Internal_Template $tpl
* @param mixed $from values to loop over
* @param string $item variable name
* @param bool $needTotal flag if we need to count values
* @param null|string $key variable name
* @param null|string $name of named foreach
* @param array $properties of named foreach
*
* @return mixed $from
*/
public function init(Smarty_Internal_Template $tpl, $from, $item, $needTotal = false, $key = null, $name = null,
$properties = array())
{
$saveVars = array();
if (!is_array($from) && !is_object($from)) {
settype($from, 'array');
}
$total = ($needTotal || isset($properties[ 'total' ])) ? $this->count($from) : 1;
if (isset($tpl->tpl_vars[ $item ])) {
$saveVars[ $item ] = $tpl->tpl_vars[ $item ];
}
$tpl->tpl_vars[ $item ] = new Smarty_Variable(null, $tpl->isRenderingCache);
if (empty($from)) {
$from = null;
$total = 0;
if ($needTotal) {
$tpl->tpl_vars[ $item ]->total = 0;
}
} else {
if ($key) {
if (isset($tpl->tpl_vars[ $key ])) {
$saveVars[ $key ] = $tpl->tpl_vars[ $key ];
}
$tpl->tpl_vars[ $key ] = new Smarty_Variable(null, $tpl->isRenderingCache);
}
if ($needTotal) {
$tpl->tpl_vars[ $item ]->total = $total;
}
}
if ($name) {
$namedVar = "__smarty_foreach_{$name}";
if (isset($tpl->tpl_vars[ $namedVar ])) {
$saveVars[ $namedVar ] = $tpl->tpl_vars[ $namedVar ];
}
$namedProp = array();
if (isset($properties[ 'total' ])) {
$namedProp[ 'total' ] = $total;
}
if (isset($properties[ 'iteration' ])) {
$namedProp[ 'iteration' ] = 0;
}
if (isset($properties[ 'index' ])) {
$namedProp[ 'index' ] = - 1;
}
if (isset($properties[ 'show' ])) {
$namedProp[ 'show' ] = ($total > 0);
}
$tpl->tpl_vars[ $namedVar ] = new Smarty_Variable($namedProp);
}
$this->stack[] = $saveVars;
return $from;
}
/**
* Restore saved variables
*
* @param \Smarty_Internal_Template $tpl
*/
public function restore(Smarty_Internal_Template $tpl)
{
foreach (array_pop($this->stack) as $k => $v) {
$tpl->tpl_vars[ $k ] = $v;
}
}
/*
*
* [util function] counts an array, arrayAccess/traversable or PDOStatement object
*
* @param mixed $value
*
* @return int the count for arrays and objects that implement countable, 1 for other objects that don't, and 0
* for empty elements
*/
public function count($value)
{
if (is_array($value) === true || $value instanceof Countable) {
return count($value);
} elseif ($value instanceof IteratorAggregate) {
// Note: getIterator() returns a Traversable, not an Iterator
// thus rewind() and valid() methods may not be present
return iterator_count($value->getIterator());
} elseif ($value instanceof Iterator) {
if ($value instanceof Generator) {
return 1;
}
return iterator_count($value);
} elseif ($value instanceof PDOStatement) {
return $value->rowCount();
} elseif ($value instanceof Traversable) {
return iterator_count($value);
} elseif ($value instanceof ArrayAccess) {
if ($value->offsetExists(0)) {
return 1;
}
} elseif (is_object($value)) {
return count($value);
}
return 0;
}
}
|
