limititerator.xml

<?xml version="1.0" encoding="utf-8"?>
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<!-- EN-Revision: 14767af0f05dffa6fdb9b49e1a1f4e9ca7022a60 Maintainer: yannick Status: ready -->
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<reference xml:id="class.limititerator" role="class" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude">
 <title>&class.theclass; <classname>LimitIterator</classname></title>
 <titleabbrev>LimitIterator</titleabbrev>
 
 <partintro>
 
<!-- {{{ LimitIterator intro -->
  <section xml:id="limititerator.intro">
   &reftitle.intro;
   <para>
    La classe <classname>LimitIterator</classname> permet d'itérer sur une partie
    limitée d'entités depuis un <classname>Iterator</classname>.
   </para>
  </section>
<!-- }}} -->
 
  <section xml:id="limititerator.synopsis">
   &reftitle.classsynopsis;
 
<!-- {{{ Synopsis -->
   <classsynopsis class="class">
    <ooclass>
     <classname>LimitIterator</classname>
    </ooclass>

    <ooclass>
     <modifier>extends</modifier>
     <classname>IteratorIterator</classname>
    </ooclass>

    <classsynopsisinfo role="comment">&Methods;</classsynopsisinfo>
    <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.limititerator')/db:refentry/db:refsect1[@role='description']/descendant::db:constructorsynopsis[@role='LimitIterator'])">
     <xi:fallback/>
    </xi:include>
    <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.limititerator')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[@role='LimitIterator'])">
     <xi:fallback/>
    </xi:include>

    <classsynopsisinfo role="comment">&InheritedMethods;</classsynopsisinfo>
    <xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.iteratoriterator')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[@role='IteratorIterator'])">
     <xi:fallback/>
    </xi:include>
   </classsynopsis>
 
  </section>
 
 <!-- {{{ examples -->
  <section xml:id="limititerator.examples">
   &reftitle.examples;
   <para>
    <example>
     <title>Exemple d'utilisation de <classname>LimitIterator</classname></title>
     <programlisting role="php">
<![CDATA[
<?php

// Creér un itérateur à limiter
$fruits = new ArrayIterator(array(
    'apple',
    'banana',
    'cherry',
    'damson',
    'elderberry'
));

// Boucle sur les 3 premiers fruits uniquement
foreach (new LimitIterator($fruits, 0, 3) as $fruit) {
    var_dump($fruit);
}

echo "\n";

// Boucle depuis le 3ème fruit jusqu'au dernier
// Note: la clé démarre à zéro pour apple
foreach (new LimitIterator($fruits, 2) as $fruit) {
    var_dump($fruit);
}

?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
string(5) "apple"
string(6) "banana"
string(6) "cherry"

string(6) "cherry"
string(6) "damson"
string(10) "elderberry"
]]>
     </screen>
    </example>
   </para>
  </section>
 <!-- }}} -->

 </partintro>
 
 &reference.spl.entities.limititerator;
 
</reference>
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