php-doc-en/reference/classobj/functions/call-user-method.xml

<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- splitted from ./en/functions/classobj.xml, last change in rev 1.4 -->
  <refentry id="function.call-user-method">
   <refnamediv>
    <refname>call_user_method</refname>
    <refpurpose>
     Call a user method on an specific object [deprecated]
    </refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
     <methodsynopsis>
      <type>mixed</type><methodname>call_user_method</methodname>
      <methodparam><type>string</type><parameter>method_name</parameter></methodparam>
      <methodparam><type>object</type><parameter>obj</parameter></methodparam>
      <methodparam choice="opt"><type>mixed</type><parameter>parameter</parameter></methodparam>
      <methodparam choice="opt"><type>mixed</type><parameter>...</parameter></methodparam>
     </methodsynopsis>
    <warning>
     <para>
      The <function>call_user_method</function> function is deprecated
      as of PHP 4.1.0, use the <function>call_user_func</function> variety 
      with the <literal>array(&amp;$obj, "method_name")</literal> syntax instead.
     </para>
    </warning>
    <para>
     Calls the method referred by <parameter>method_name</parameter> from
     the user defined <parameter>obj</parameter> object. An example of usage
     is below, where we define a class, instantiate an object and use
     <function>call_user_method</function> to call indirectly its
     <varname>print_info</varname> method.
    </para>
    <para>
     <informalexample>
      <programlisting role="php">
<![CDATA[
<?php
class Country {
    var $NAME;
    var $TLD;
    
    function Country($name, $tld) 
    {
        $this->NAME = $name;
        $this->TLD = $tld;
    }

    function print_info($prestr = "") 
    {
        echo $prestr . "Country: " . $this->NAME . "\n";
        echo $prestr . "Top Level Domain: " . $this->TLD . "\n";
    }
}

$cntry = new Country("Peru", "pe");

echo "* Calling the object method directly\n";
$cntry->print_info();

echo "\n* Calling the same method indirectly\n";
call_user_method("print_info", $cntry, "\t");
?>
]]>
      </programlisting>
     </informalexample>
    </para>
    <simpara>
     See also <function>call_user_func_array</function>, and
     <function>call_user_func</function>.
    </simpara>
   </refsect1>
  </refentry>

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