array-key-last.xml

<?xml version="1.0" encoding="utf-8"?>
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<refentry xml:id="function.array-key-last" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>array_key_last</refname>
  <refpurpose>Gets the last key of an array</refpurpose>
 </refnamediv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type class="union"><type>int</type><type>string</type><type>null</type></type><methodname>array_key_last</methodname>
   <methodparam><type>array</type><parameter>array</parameter></methodparam>
  </methodsynopsis>
  <para>
   Get the last key of the given <parameter>array</parameter> without affecting
   the internal array pointer.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   <varlistentry>
    <term><parameter>array</parameter></term>
    <listitem>
     <para>
      An array.
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the last key of <parameter>array</parameter> if the array is not empty;
   &null; otherwise.
  </para>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <simplelist>
   <member><function>array_key_first</function></member>
   <member><function>end</function></member>
  </simplelist>
 </refsect1>

</refentry>
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