doc-en/reference/uopz/functions/uopz-function.xml at master · php/doc-en · GitHub

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->

<refentry xml:id="function.uopz-function" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <refnamediv>
  <refname>uopz_function</refname>
  <refpurpose>Creates a function at runtime</refpurpose>
 </refnamediv>

 <refsynopsisdiv>
  &uopz.warn.removed.function-5-0-0;
 </refsynopsisdiv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>void</type><methodname>uopz_function</methodname>
   <methodparam><type>string</type><parameter>function</parameter></methodparam>
   <methodparam><type>Closure</type><parameter>handler</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>modifiers</parameter></methodparam>
  </methodsynopsis>
  <methodsynopsis>
   <type>void</type><methodname>uopz_function</methodname>
   <methodparam><type>string</type><parameter>class</parameter></methodparam>
   <methodparam><type>string</type><parameter>function</parameter></methodparam>
   <methodparam><type>Closure</type><parameter>handler</parameter></methodparam>
   <methodparam choice="opt"><type>int</type><parameter>modifiers</parameter></methodparam>
  </methodsynopsis>
  <para>
   Creates a function at runtime
  </para>

 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <variablelist>
   <varlistentry>
    <term><parameter>class</parameter></term>
    <listitem>
     <para>
      The name of the class to receive the new function
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>function</parameter></term>
    <listitem>
     <para>
      The name of the function
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>handler</parameter></term>
    <listitem>
     <para>
      The Closure for the function
     </para>
    </listitem>
   </varlistentry>
   <varlistentry>
    <term><parameter>modifiers</parameter></term>
    <listitem>
     <para>
      The modifiers for the function, by default copied or ZEND_ACC_PUBLIC
     </para>
    </listitem>
   </varlistentry>
  </variablelist>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>

  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <example>
   <title><function>uopz_function</function> example</title>
   <programlisting role="php">
<![CDATA[
<?php
uopz_function("my_strlen", function($arg) {
    return strlen($arg);
});
echo my_strlen("Hello World");
?>
]]>
   </programlisting>
   &example.outputs;
   <screen>
<![CDATA[
11
]]>
   </screen>
  </example>
  <example>
   <title><function>uopz_function</function> class example</title>
   <programlisting role="php">
<![CDATA[
<?php
class My {}

uopz_function(My::class, "strlen", function($arg) {
    return strlen($arg);
}, ZEND_ACC_STATIC);

echo My::strlen("Hello World");
?>
]]>
   </programlisting>
   &example.outputs;
   <screen>
<![CDATA[
11
]]>
   </screen>
  </example>
 </refsect1>


</refentry>

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