archived-doc-pt-br/reference/array/functions/ksort.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.ksort" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>ksort</refname>
  <refpurpose>Ordena um array pelas chaves em ordem crescente</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>true</type><methodname>ksort</methodname>
   <methodparam><type>array</type><parameter role="reference">array</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>flags</parameter><initializer><constant>SORT_REGULAR</constant></initializer></methodparam>
  </methodsynopsis>
  <para>
   Ordena o <parameter>array</parameter> pelas chaves
   em ordem crescente.
  </para>
  &note.sort-unstable;
  &note.reset-index;
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>array</parameter></term>
     <listitem>
      <para>
       O array de entrada.
      </para>
     </listitem>
    </varlistentry>
    &sort.flags.parameter;
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.true.always;
  </para>
 </refsect1>

 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      &return.type.true;
      <row>
       <entry>8.2.0</entry>
       <entry>
        Esta função agora faz comparação numérica de string com a constante
        <constant>SORT_REGULAR</constant> usando as regras padrão do PHP 8.
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Exemplo da <function>ksort</function></title>
    <programlisting role="php">
<![CDATA[
<?php
$frutas = array("d"=>"limão", "a"=>"laranja", "b" =>"banana", "c"=>"maçã");
ksort($frutas);
foreach ($frutas as $chave => $valor) {
    echo "$chave = $valor\n";
}
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
a = laranja
b = banana
c = maçã
d = limão
]]>
     </screen>
   </example>
  </para>

  <para>
   <example>
    <title><function>ksort</function> com chaves <type>int</type></title>
    <programlisting role="php">
<![CDATA[
<?php
$a = [0 => 'Primeiro', 2 => 'Último', 1 => 'Intermediário'];
var_dump($a);
ksort($a);
var_dump($a);
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
array(3) {
  [0]=>
  string(5) "Primeiro"
  [2]=>
  string(4) "Último"
  [1]=>
  string(6) "Intermediário"
}
array(3) {
  [0]=>
  string(5) "Primeiro"
  [1]=>
  string(6) "Intermediário"
  [2]=>
  string(4) "Último"
}
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <simplelist>
   <member><function>sort</function></member>
   <member><function>krsort</function></member>
   <member>&seealso.array.sorting;</member>
  </simplelist>
 </refsect1>

</refentry>
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