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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 1.3 $ -->
<refentry xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xml:id="normalizer.isnormalized">
<refnamediv>
<refname>Normalizer::isNormalized</refname>
<refname>normalizer_is_normalized</refname>
<refpurpose>
Checks if the provided string is already in the specified normalization
form.
</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<para>Object oriented style</para>
<methodsynopsis>
<modifier>static</modifier>
<type>boolean</type>
<methodname>Normalizer::isNormalized</methodname>
<methodparam><type>string</type><parameter>input</parameter></methodparam>
<methodparam choice="opt"><type>string</type><parameter>form</parameter></methodparam>
</methodsynopsis>
<para>Procedural style</para>
<methodsynopsis>
<type>boolean</type>
<methodname>normalizer_is_normalized</methodname>
<methodparam><type>string</type><parameter>input</parameter></methodparam>
<methodparam choice="opt"><type>string</type><parameter>form</parameter></methodparam>
</methodsynopsis>
<para>
Checks if the provided string is already in the specified normalization
form.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>input</parameter></term>
<listitem>
<para>The input string to normalize</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>form</parameter></term>
<listitem>
<para>One of the normalization forms. Defaults to Normalizer::FORM_C.</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>&true; if normalized, &false; otherwise or if there an error</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title>
<function>normalizer_is_normalized</function> example
</title>
<programlisting role="php">
<![CDATA[
<?php
$char_A_ring = "\xC3\x85"; // 'LATIN CAPITAL LETTER A WITH RING ABOVE' (U+00C5)
$char_combining_ring_above = "\xCC\x8A"; // 'COMBINING RING ABOVE' (U+030A)
$char_orig = 'A' . $char_combining_ring_above;
$char_norm = normalizer_normalize( 'A' . $char_combining_ring_above, Normalizer::FORM_C );
echo ( normalizer_is_normalized($char_orig, Normalizer::FORM_C) ) ? "normalized" : "not normalized";
echo '; ';
echo ( normalizer_is_normalized($char_norm, Normalizer::FORM_C) ) ? "normalized" : "not normalized";
?>
]]>
</programlisting>
</example>
<example>
<title>OO example</title>
<programlisting role="php">
<![CDATA[
<?php
$char_A_ring = "\xC3\x85"; // 'LATIN CAPITAL LETTER A WITH RING ABOVE' (U+00C5)
$char_combining_ring_above = "\xCC\x8A"; // 'COMBINING RING ABOVE' (U+030A)
$char_orig = 'A' . $char_combining_ring_above;
$char_norm = Normalizer::normalize( 'A' . $char_combining_ring_above, Normalizer::FORM_C );
echo ( Normalizer::isNormalized($char_orig, Normalizer::FORM_C) ) ? "normalized" : "not normalized";
echo '; ';
echo ( Normalizer::isNormalized($char_norm, Normalizer::FORM_C) ) ? "normalized" : "not normalized";
?>
]]>
</programlisting>
</example>
&example.outputs;
<screen>
<![CDATA[
not normalized; normalized
]]>
</screen>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>normalizer_normalize</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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