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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.uopz-implement" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>uopz_implement</refname>
<refpurpose>Implements an interface at runtime</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>uopz_implement</methodname>
<methodparam><type>string</type><parameter>class</parameter></methodparam>
<methodparam><type>string</type><parameter>interface</parameter></methodparam>
</methodsynopsis>
<para>
Makes <parameter>class</parameter> implement <parameter>interface</parameter>
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>class</parameter></term>
<listitem>
<para>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>interface</parameter></term>
<listitem>
<para>
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
<refsect1 role="errors">
&reftitle.errors;
<simpara>
As of PHP 7.4.0, <function>uopz_implements</function> throws a <classname>RuntimeException</classname>,
if <link linkend="book.opcache">OPcache</link> is enabled,
and the class entry of <parameter>class</parameter> is immutable.
</simpara>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title><function>uopz_implement</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
interface myInterface {}
class myClass {}
uopz_implement(myClass::class, myInterface::class);
var_dump(class_implements(myClass::class));
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
array(1) {
["myInterface"]=>
string(11) "myInterface"
}
]]>
</screen>
</example>
</refsect1>
</refentry>
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