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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.uopz-flags" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>uopz_flags</refname>
<refpurpose>Get or set flags on function or class</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>int</type><methodname>uopz_flags</methodname>
<methodparam><type>string</type><parameter>function</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>flags</parameter><initializer>PHP_INT_MAX</initializer></methodparam>
</methodsynopsis>
<methodsynopsis>
<type>int</type><methodname>uopz_flags</methodname>
<methodparam><type>string</type><parameter>class</parameter></methodparam>
<methodparam><type>string</type><parameter>function</parameter></methodparam>
<methodparam choice="opt"><type>int</type><parameter>flags</parameter><initializer>PHP_INT_MAX</initializer></methodparam>
</methodsynopsis>
<para>
Get or set the flags on a class or function entry at runtime
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>class</parameter></term>
<listitem>
<para>
The name of a class
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>function</parameter></term>
<listitem>
<para>
The name of the function. If <parameter>class</parameter> is given and an empty string
is passed as <parameter>function</parameter>, <function>uopz_flags</function>
gets or sets the flags of the class entry.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>flags</parameter></term>
<listitem>
<para>
A valid set of ZEND_ACC_ flags.
If omitted, <function>uopz_flags</function> acts as getter.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
If setting, returns old flags, else returns flags
</para>
</refsect1>
<refsect1 role="errors">
&reftitle.errors;
<simpara>
As of PHP 7.4.0, if the parameter <parameter>flags</parameter> is passed,
<function>uopz_flags</function> throws a <classname>RuntimeException</classname>,
if <link linkend="book.opcache">OPcache</link> is enabled,
and the class entry of <parameter>class</parameter>
or the function entry of <parameter>function</parameter> is immutable.
</simpara>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>PECL uopz 5.0.0</entry>
<entry>
The <parameter>flags</parameter> parameter is now optional. Formerly,
<constant>ZEND_ACC_FETCH</constant> had to be passed to use <function>uopz_flags</function>
as getter.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title><function>uopz_flags</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
class Test {
public function method() {
return __CLASS__;
}
}
$flags = uopz_flags("Test", "method");
var_dump((bool) (uopz_flags("Test", "method") & ZEND_ACC_PRIVATE));
var_dump((bool) (uopz_flags("Test", "method") & ZEND_ACC_STATIC));
var_dump(uopz_flags("Test", "method", $flags|ZEND_ACC_STATIC|ZEND_ACC_PRIVATE));
var_dump((bool) (uopz_flags("Test", "method") & ZEND_ACC_PRIVATE));
var_dump((bool) (uopz_flags("Test", "method") & ZEND_ACC_STATIC));
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
bool(false)
bool(false)
int(1234567890)
bool(true)
bool(true)
]]>
</screen>
</example>
<example>
<title>"Unfinalize" a Class</title>
<programlisting role="php">
<![CDATA[
<?php
final class MyClass
{
}
$flags = uopz_flags(MyClass::class, '');
uopz_flags(MyClass::class, '', $flags & ~ZEND_ACC_FINAL);
var_dump((new ReflectionClass(MyClass::class))->isFinal());
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
bool(false)
]]>
</screen>
</example>
</refsect1>
</refentry>
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