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<refentry xml:id="function.strncasecmp" xmlns="http://docbook.org/ns/docbook">

<refnamediv>

<refname>strncasecmp</refname>

<refpurpose>Comparación binaria de strings insensible a mayúsculas/minúsculas</refpurpose>

</refnamediv>

<refsect1 role="description">

&reftitle.description;

<methodsynopsis>

<type>int</type><methodname>strncasecmp</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>

<function>strncasecmp</function> es similar a <function>strcasecmp</function>,

con la diferencia de que permite limitar el número de caracteres utilizados para

comparar <parameter>string1</parameter> y <parameter>string2</parameter>,

mediante el argumento <parameter>length</parameter>.

</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>

La longitud de los strings a utilizar en 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>strncasecmp</function></title>

<programlisting role="php">

<![CDATA[

<?php

$var1 = 'Hello John';

$var2 = 'hello Doe';

if (strncasecmp($var1, $var2, 5) === 0) {

echo 'Los 5 primeros caracteres de $var1 y $var2 son iguales en una comparación de strings insensible a mayúsculas/minúsculas.';

}

?>

]]>

</programlisting>

</example>

</para>

</refsect1>

<refsect1 role="seealso">

&reftitle.seealso;

<para>

<simplelist>

<member><function>strncmp</function></member>

<member><function>preg_match</function></member>

<member><function>substr_compare</function></member>

<member><function>strcasecmp</function></member>

<member><function>stristr</function></member>

<member><function>substr</function></member>

</simplelist>

</para>

</refsect1>

</refentry>

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