construct.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="appenditerator.construct" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>AppendIterator::__construct</refname>
  <refpurpose>Construit un objet <classname>AppendIterator</classname></refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <constructorsynopsis role="AppendIterator">
   <modifier>public</modifier> <methodname>AppendIterator::__construct</methodname>
   <void/>
  </constructorsynopsis>
  <para>
   Construit un objet <classname>AppendIterator</classname>.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>

 <refsect1 role="examples"><!-- {{{ -->
  &reftitle.examples;
  <para>
   <example xml:id="appenditerator.examples.foreach"><!-- {{{ -->
    <title>Itère un AppendIterator avec la structure foreach</title>
    <programlisting role="php">
<![CDATA[
<?php
$pizzas   = new ArrayIterator(array('Margarita', 'Siciliana', 'Hawaii'));
$toppings = new ArrayIterator(array('Cheese', 'Anchovies', 'Olives', 'Pineapple', 'Ham'));

$appendIterator = new AppendIterator;
$appendIterator->append($pizzas);
$appendIterator->append($toppings);

foreach ($appendIterator as $key => $item) {
    echo $key . ' => ' . $item . PHP_EOL;
}
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
0 => Margarita
1 => Siciliana
2 => Hawaii
0 => Cheese
1 => Anchovies
2 => Olives
3 => Pineapple
4 => Ham
]]>
    </screen>
   </example><!-- }}} -->
   <example xml:id="appenditerator.examples.api"><!-- {{{ -->
    <title>Itère un AppendIterator avec l'API AppendIterator</title>
    <programlisting role="php">
<![CDATA[
<?php
$pizzas   = new ArrayIterator(array('Margarita', 'Siciliana', 'Hawaii'));
$toppings = new ArrayIterator(array('Cheese', 'Anchovies', 'Olives', 'Pineapple', 'Ham'));

$appendIterator = new AppendIterator;
$appendIterator->append($pizzas);
$appendIterator->append($toppings);

while ($appendIterator->valid()) {
    printf(
        '%s => %s => %s%s',
        $appendIterator->getIteratorIndex(),
        $appendIterator->key(),
        $appendIterator->current(),
        PHP_EOL
    );
    $appendIterator->next();
}
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
0 => 0 => Margarita
0 => 1 => Siciliana
0 => 2 => Hawaii
1 => 0 => Cheese
1 => 1 => Anchovies
1 => 2 => Olives
1 => 3 => Pineapple
1 => 4 => Ham
]]>
    </screen>
   </example><!-- }}} -->
  </para>
 </refsect1><!-- }}} -->
 
 <refsect1 role="notes"><!-- {{{ -->
  &reftitle.notes;
  <caution>
   <para>
    Lors de l'utilisation de <function>iterator_to_array</function>
    pour copier les valeurs d'un AppendIterator dans un tableau,
    vous devez définir le paramètre optionnel
    <parameter>use_key</parameter> à &false;.
    Lorsque <parameter>use_key</parameter> ne vaut pas &false;,
    toutes les clés survenant de nouveaux dans l'itérateur inférieur
    seront écrasées dans le tableau résultant. Il n'y a aucun
    moyen de préserver les clés originales.
   </para>
  </caution>
 </refsect1><!-- }}} -->

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><methodname>AppendIterator::append</methodname></member>
   </simplelist>
  </para>
 </refsect1>

</refentry>
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