-
Notifications
You must be signed in to change notification settings - Fork 80
Expand file tree
/
Copy pathiterator-count.xml
More file actions
160 lines (148 loc) · 4 KB
/
iterator-count.xml
File metadata and controls
160 lines (148 loc) · 4 KB
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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: 70ac605e66b5ce0c03a345df92297f3e03f088ca Maintainer: rjhdby Status: ready -->
<!-- Reviewed: no -->
<refentry xml:id="function.iterator-count" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>iterator_count</refname>
<refpurpose>Подсчитывает количество элементов в итераторе</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>int</type><methodname>iterator_count</methodname>
<methodparam><type class="union"><type>Traversable</type><type>array</type></type><parameter>iterator</parameter></methodparam>
</methodsynopsis>
<para>
Функция подсчитывает количество элементов в итераторе.
Функция <function>iterator_count</function> не гарантирует сохранение текущей позиции
итератора <parameter>iterator</parameter>.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>iterator</parameter></term>
<listitem>
<para>
Итератор, в котором функция подсчитывает элементы.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Функция возвращает количество элементов в итераторе <parameter>iterator</parameter>.
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>8.2.0</entry>
<entry>
Тип параметра <parameter>iterator</parameter> расширили
с <type>Traversable</type> до <type class="union"><type>Traversable</type><type>array</type></type>.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Пример использования функции <function>iterator_count</function></title>
<programlisting role="php">
<![CDATA[
<?php
$iterator = new ArrayIterator(array('recipe'=>'pancakes', 'egg', 'milk', 'flour'));
var_dump(iterator_count($iterator));
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
int(4)
]]>
</screen>
</example>
<example>
<title>
Пример изменения позиции итератора функцией <function>iterator_count</function>
</title>
<programlisting role="php">
<![CDATA[
<?php
$iterator = new ArrayIterator(['one', 'two', 'three']);
var_dump($iterator->current());
var_dump(iterator_count($iterator));
var_dump($iterator->current());
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
string(3) "one"
int(3)
NULL
]]>
</screen>
</example>
<example>
<title>Пример работы функции <function>iterator_count</function> в цикле &foreach;</title>
<programlisting role="php">
<![CDATA[
<?php
$iterator = new ArrayIterator(['one', 'two', 'three']);
foreach ($iterator as $key => $value) {
echo "$key: $value (", iterator_count($iterator), ")\n";
}
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
0: one (3)
]]>
</screen>
</example>
</para>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->