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[Sync-En] array: add example on updating values with array_walk_recursive() #1140

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Merged
julionc merged 1 commit into from
Aug 28, 2026
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[Sync-En] array: add example on updating values with array_walk_recursive() #1140

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40 changes: 39 additions & 1 deletion reference/array/functions/array-walk-recursive.xml
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
<?xml version="1.0" encoding="utf-8"?>
<!-- EN-Revision: 63f09f4d816aa29c3f8fba9d12a8c6ce2f1755de Maintainer: PhilDaiguille Status: ready -->
<!-- EN-Revision: 0d8ee2131b4da66a4d274c576da9137c2a7963d5 Maintainer: PhilDaiguille Status: ready -->
<refentry xml:id="function.array-walk-recursive" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>array_walk_recursive</refname>
Expand Down Expand Up @@ -133,6 +133,44 @@ La clave sour contiene el elemento lemon
</para>
</example>
</para>
<simpara>
<function>array_walk_recursive</function> también puede utilizarse para
actualizar los valores in situ pasando el parámetro de la retrollamada por referencia.
</simpara>
<para>
<example>
<title>Actualización de los valores in situ</title>
<programlisting role="php">
<![CDATA[
<?php
$sweet = ['a' => 'apple', 'b' => 'banana'];
$fruits = ['sweet' => $sweet, 'sour' => 'lemon'];

function test_update(&$item)
{
$item = strtoupper($item);
}

function test_print($item, $key)
{
echo "La clave $key contiene el elemento $item\n";
}

array_walk_recursive($fruits, 'test_update');
array_walk_recursive($fruits, 'test_print');
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
La clave a contiene el elemento APPLE
La clave b contiene el elemento BANANA
La clave sour contiene el elemento LEMON
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
Expand Down