-
Notifications
You must be signed in to change notification settings - Fork 49
/
ctype-digit.xml
134 lines (126 loc) · 3.5 KB
/
ctype-digit.xml
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
<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: e20e74073379710a4f6316734c42996c8fbf9beb Maintainer: andresdzphp Status: ready -->
<!-- Reviewed: no -->
<!-- splitted from ./en/functions/ctype.xml, last change in rev 1.1 -->
<refentry xml:id="function.ctype-digit" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>ctype_digit</refname>
<refpurpose>Chequear posibles caracteres numéricos</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>ctype_digit</methodname>
<methodparam><type>mixed</type><parameter>text</parameter></methodparam>
</methodsynopsis>
<para>
Verifica si todos los caracteres en la <type>string</type> entregada,
<parameter>text</parameter>, son numéricos.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>text</parameter></term>
<listitem>
<para>
La cadena probada.
¬e.ctype.parameter.integer;
¬e.ctype.parameter.non-string;
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Devuelve &true; si cada caracter del <parameter>texto</parameter> es un
dígito decimal, o &false; de lo contrario.
&ctype.result.empty-string;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Un ejemplo de <function>ctype_digit</function></title>
<programlisting role="php">
<![CDATA[
<?php
$cadenas = array('1820.20', '10002', 'wsl!12');
foreach ($cadenas as $caso_prueba) {
if (ctype_digit($caso_prueba)) {
echo "La cadena $caso_prueba consiste completamente de dígitos.\n";
} else {
echo "La cadena $caso_prueba no consiste completamente de dígitos.\n";
}
}
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
La cadena 1820.20 no consiste completamente de dígitos.
La cadena 10002 consiste completamente de dígitos.
La cadena wsl!12 no consiste completamente de dígitos.
]]>
</screen>
</example>
</para>
<para>
<example>
<title>Un ejemplo de <function>ctype_digit</function> comparando strings con integers</title>
<programlisting role="php">
<![CDATA[
<?php
$numeric_string = '42';
$integer = 42;
ctype_digit($numeric_string); // true
ctype_digit($integer); // false (ASCII 42 es el caracter *)
is_numeric($numeric_string); // true
is_numeric($integer); // true
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>ctype_alnum</function></member>
<member><function>ctype_xdigit</function></member>
<member><function>is_numeric</function></member>
<member><function>is_int</function></member>
<member><function>is_string</function></member>
<member><function>IntlChar::isdigit</function></member>
</simplelist>
</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
-->