-
Notifications
You must be signed in to change notification settings - Fork 59
Expand file tree
/
Copy pathcallbackfilteriterator.xml
More file actions
138 lines (117 loc) · 4.28 KB
/
callbackfilteriterator.xml
File metadata and controls
138 lines (117 loc) · 4.28 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
<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: 4d17b7b4947e7819ff5036715dd706be87ae4def Maintainer: seros Status: ready -->
<!-- Reviewed: yes Maintainer: seros -->
<reference xml:id="class.callbackfilteriterator" role="class" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude">
<title>La clase CallbackFilterIterator</title>
<titleabbrev>CallbackFilterIterator</titleabbrev>
<partintro>
<!-- {{{ CallbackFilterIterator intro -->
<section xml:id="callbackfilteriterator.intro">
&reftitle.intro;
<para>
</para>
</section>
<!-- }}} -->
<section xml:id="callbackfilteriterator.synopsis">
&reftitle.classsynopsis;
<!-- {{{ Synopsis -->
<classsynopsis class="class">
<ooclass>
<classname>CallbackFilterIterator</classname>
</ooclass>
<ooclass>
<modifier>extends</modifier>
<classname>FilterIterator</classname>
</ooclass>
<classsynopsisinfo role="comment">&Methods;</classsynopsisinfo>
<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.callbackfilteriterator')/db:refentry/db:refsect1[@role='description']/descendant::db:constructorsynopsis[@role='CallbackFilterIterator'])">
<xi:fallback/>
</xi:include>
<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.callbackfilteriterator')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[@role='CallbackFilterIterator'])">
<xi:fallback/>
</xi:include>
<classsynopsisinfo role="comment">&InheritedMethods;</classsynopsisinfo>
<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.filteriterator')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[@role='FilterIterator'])">
<xi:fallback/>
</xi:include>
<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.iteratoriterator')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[@role='IteratorIterator'])">
<xi:fallback/>
</xi:include>
</classsynopsis>
<!-- }}} -->
</section>
<!-- {{{ examples -->
<section xml:id="callbackfilteriterator.examples">
&reftitle.examples;
<para>
La llamada de retorno debería aceptar hasta tres argumentos:
el elemento actual, la clave actual y el iterador, respectivamente.
</para>
<example xml:id="callbackfilteriterator.examples.args">
<title>Argumentos disponibles de la llamada de retorno</title>
<programlisting role="php">
<![CDATA[
<?php
/**
* Llamada de retorno para CallbackFilterIterator
*
* @param $current Valor del elemento actual
* @param $key Clave del elemento actual
* @param $iterator Iterador a filtrar
* @return boolean TRUE para aceptar el elemento actual, de lo contrario FALSE
*/
function my_callback($current, $key, $iterator) {
// Aquí el código de filtrado
}
?>
]]>
</programlisting>
</example>
<para>
Se posría usar algún <type>callable</type>,como un string que contenga
nombre de función, un array para un método, o una función anónima.
</para>
<example xml:id="callbackfilteriterator.examples.basic">
<title>Ejemplos básicos de llamada de retorno</title>
<programlisting role="php">
<![CDATA[
<?php
$dir = new FilesystemIterator(__DIR__);
// Filtrar ficheros de gran tamaño ( > 100MB)
function is_large_file($current) {
return $current->isFile() && $current->getSize() > 104857600;
}
$large_files = new CallbackFilterIterator($dir, 'is_large_file');
// Filtrar directorios
$files = new CallbackFilterIterator($dir, function ($current, $key, $iterator) {
return $current->isDir() && ! $iterator->isDot();
});
?>
]]>
</programlisting>
</example>
</section>
<!-- }}} -->
</partintro>
&reference.spl.entities.callbackfilteriterator;
</reference>
<!-- 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
-->