php-doc-en/reference/intl/examples.xml

<?xml version="1.0" encoding="utf-8"?>
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<chapter xml:id="intl.examples" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 &reftitle.examples;

 <section xml:id="intl.examples.basic">
  <title>Basic usage of this extension</title>
  <para>
   Each module provides two kind of APIs: a procedural one and an object
   oriented one. Both are actually identical and described in the
   corresponding document.
  </para>
  <note>
   <para>
    All input strings must be in UTF-8 encoding. All output strings are
    also in UTF-8.
   </para>
  </note>
  <example>
   <title>Example of using the procedural API</title>
   <programlisting role="php">
<![CDATA[
<?php
$coll  = collator_create('en_US');
$result = collator_compare($coll, "string#1", "string#2");
?>
]]>
   </programlisting>
  </example>

  <example>
   <title>Example of using the object-oriented API</title>
   <programlisting role="php">
<![CDATA[
<?php
$coll = new Collator('en_US');
$al   = $coll->getLocale(Locale::ACTUAL_LOCALE);
echo "Actual locale: $al\n";

$formatter = new NumberFormatter('en_US', NumberFormatter::DECIMAL);
echo $formatter->format(1234567);
?>
]]>
   </programlisting>
  </example>
 </section>

</chapter>

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