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strncmp.xml
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139 lines (131 loc) · 3.6 KB
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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<!-- EN-Revision: 9b68bf2b63200534e022bc65e800cae6c75abf26 Maintainer: PhilDaiguille Status: ready -->
<!-- Reviewed: yes -->
<refentry xml:id="function.strncmp" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>strncmp</refname>
<refpurpose>Comparación binaria de los n primeros caracteres</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>int</type><methodname>strncmp</methodname>
<methodparam><type>string</type><parameter>string1</parameter></methodparam>
<methodparam><type>string</type><parameter>string2</parameter></methodparam>
<methodparam><type>int</type><parameter>length</parameter></methodparam>
</methodsynopsis>
<para>
Idéntica a la función <function>strcmp</function>, con la diferencia
de que se puede especificar el número máximo de caracteres a utilizar para la
comparación de <parameter>string1</parameter> con <parameter>string2</parameter>
mediante el parámetro <parameter>length</parameter>.
</para>
<para>
Tenga en cuenta que esta comparación es sensible a mayúsculas y minúsculas.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>string1</parameter></term>
<listitem>
<para>
El primer string.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>string2</parameter></term>
<listitem>
<para>
El segundo string.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>length</parameter></term>
<listitem>
<para>
Número de caracteres a utilizar para la comparación.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
&strings.comparison.return;
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
&standard.changelog.binary-safe-string-comparison;
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title>Ejemplo con <function>strncmp</function></title>
<programlisting role="php">
<![CDATA[
<?php
$var1 = 'Hello John';
$var2 = 'Hello Doe';
if (strncmp($var1, $var2, 5) === 0) {
echo 'Los 5 primeros caracteres de $var1 y $var2 son iguales en una comparación de strings sensibles a mayúsculas y minúsculas.';
}
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>strncasecmp</function></member>
<member><function>preg_match</function></member>
<member><function>substr_compare</function></member>
<member><function>strcmp</function></member>
<member><function>strstr</function></member>
<member><function>substr</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
-->