language/predefined/arrayaccess/offsetexists.xml
09003ff79e20ff948b2c9efb2745f7625637d7e4
09003ff79e20ff948b2c9efb2745f7625637d7e4
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<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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<refentry xml:id="arrayaccess.offsetexists" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
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<refnamediv>
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<refname>ArrayAccess::offsetExists</refname>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<modifier>abstract</modifier> <modifier>public</modifier> <type>bool</type><methodname>ArrayAccess::offsetExists</methodname>
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<methodsynopsis role="ArrayAccess">
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<modifier>public</modifier> <type>bool</type><methodname>ArrayAccess::offsetExists</methodname>
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<methodparam><type>mixed</type><parameter>offset</parameter></methodparam>
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</methodsynopsis>
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<para>
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</para>
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<note>
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<para>
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The return value will be casted to <type>boolean</type> if non-boolean was returned.
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The return value will be casted to <type>bool</type> if non-boolean was returned.
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</para>
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</note>
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</refsect1>
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<programlisting role="php">
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<![CDATA[
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<?php
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class obj implements arrayaccess {
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public function offsetSet($offset, $value) {
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class obj implements ArrayAccess {
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public function offsetSet($offset, $value): void {
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var_dump(__METHOD__);
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}
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public function offsetExists($var) {
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public function offsetExists($var): bool {
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var_dump(__METHOD__);
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if ($var == "foobar") {
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return true;
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}
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return false;
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}
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public function offsetUnset($var) {
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public function offsetUnset($var): void {
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var_dump(__METHOD__);
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}
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#[\ReturnTypeWillChange]
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public function offsetGet($var) {
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var_dump(__METHOD__);
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return "value";
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-->
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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