File: get-called-class.xml

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.get-called-class" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>get_called_class</refname>
  <refpurpose>The "Late Static Binding" class name</refpurpose>
 </refnamediv>
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>string</type><methodname>get_called_class</methodname>
   <void/>
  </methodsynopsis>
  <para>
   Gets the name of the class the static method is called in.
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  &no.function.parameters;
 </refsect1>
 
 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns the class name.
  </para>
 </refsect1>
 <refsect1 role="errors">
  &reftitle.errors;
  <para>
   If <function>get_called_class</function> is called from outside a class,
   an <classname>Error</classname> is thrown. Prior to PHP 8.0.0,
   an <constant>E_WARNING</constant> level error was raised.
  </para>
 </refsect1>
 <refsect1 role="changelog">
  &reftitle.changelog;
  <para>
   <informaltable>
    <tgroup cols="2">
     <thead>
      <row>
       <entry>&Version;</entry>
       <entry>&Description;</entry>
      </row>
     </thead>
     <tbody>
      <row>
       <entry>8.0.0</entry>
       <entry>
        Calling this function from outside a class,
        will now throw an <classname>Error</classname>.
        Previously, an <constant>E_WARNING</constant> was raised
        and the function returned &false;.
       </entry>
      </row>
     </tbody>
    </tgroup>
   </informaltable>
  </para>
 </refsect1>
 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Using <function>get_called_class</function></title>
    <programlisting role="php">
<![CDATA[
<?php

class foo {
    static public function test() {
        var_dump(get_called_class());
    }
}

class bar extends foo {
}

foo::test();
bar::test();

?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
string(3) "foo"
string(3) "bar"
]]>
    </screen>
   </example>
  </para>
 </refsect1>
 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>get_parent_class</function></member>
    <member><function>get_class</function></member>
    <member><function>is_subclass_of</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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