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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 292734 $ -->
<phpdoc:classref xml:id="class.arrayaccess" xmlns:phpdoc="http://php.net/ns/phpdoc" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xi="http://www.w3.org/2001/XInclude">
<title>The ArrayAccess interface</title>
<titleabbrev>ArrayAccess</titleabbrev>
<partintro>
<!-- {{{ ArrayAccess intro -->
<section xml:id="arrayaccess.intro">
&reftitle.intro;
<para>
Interface to provide accessing objects as arrays.
</para>
</section>
<!-- }}} -->
<section xml:id="arrayaccess.synopsis">
&reftitle.interfacesynopsis;
<!-- {{{ Synopsis -->
<classsynopsis>
<ooclass><classname>ArrayAccess</classname></ooclass>
<!-- {{{ Class synopsis -->
<classsynopsisinfo>
<ooclass>
<classname>ArrayAccess</classname>
</ooclass>
</classsynopsisinfo>
<!-- }}} -->
<classsynopsisinfo role="comment">&Methods;</classsynopsisinfo>
<xi:include xpointer="xmlns(db=http://docbook.org/ns/docbook) xpointer(id('class.arrayaccess')/db:refentry/db:refsect1[@role='description']/descendant::db:methodsynopsis[1])" />
</classsynopsis>
<!-- }}} -->
</section>
<section xml:id="arrayaccess.examples">
<example xml:id="arrayaccess.example.basic"><!-- {{{ -->
<title>Basic usage</title>
<programlisting role="php">
<![CDATA[
<?php
class obj implements arrayaccess {
private $container = array();
public function __construct() {
$this->container = array(
"one" => 1,
"two" => 2,
"three" => 3,
);
}
public function offsetSet($offset, $value) {
$this->container[$offset] = $value;
}
public function offsetExists($offset) {
return isset($this->container[$offset]);
}
public function offsetUnset($offset) {
unset($this->container[$offset]);
}
public function offsetGet($offset) {
return isset($this->container[$offset]) ? $this->container[$offset] : null;
}
}
$obj = new obj;
var_dump(isset($obj["two"]));
var_dump($obj["two"]);
unset($obj["two"]);
var_dump(isset($obj["two"]));
$obj["two"] = "A value";
var_dump($obj["two"]);
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
bool(true)
int(2)
bool(false)
string(7) "A value"
]]>
</screen>
</example><!-- }}} -->
</section>
</partintro>
&language.predefined.arrayaccess.offsetexists;
&language.predefined.arrayaccess.offsetget;
&language.predefined.arrayaccess.offsetset;
&language.predefined.arrayaccess.offsetunset;
</phpdoc:classref>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->
|
