<HTML ><HEAD ><TITLE >Objects</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="PHP Manual" HREF="index.html"><LINK REL="UP" TITLE="Types" HREF="language.types.html"><LINK REL="PREVIOUS" TITLE="Arrays" HREF="language.types.array.html"><LINK REL="NEXT" TITLE="Resource" HREF="language.types.resource.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-1"></HEAD ><BODY CLASS="sect1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="language.types.array.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 7. Types</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="language.types.resource.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="sect1" ><H1 CLASS="sect1" ><A NAME="language.types.object" ></A >Objects</H1 ><DIV CLASS="sect2" ><H2 CLASS="sect2" ><A NAME="language.types.object.init" ></A >Object Initialization</H2 ><P > To initialize an object, you use the <TT CLASS="literal" >new</TT > statement to instantiate the object to a variable. <DIV CLASS="informalexample" ><A NAME="AEN3796" ></A ><P ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="php" ><?php class foo { function do_foo() { echo "Doing foo."; } } $bar = new foo; $bar->do_foo(); ?></PRE ></TD ></TR ></TABLE ><P ></P ></DIV > </P ><P > For a full discussion, please read the section <A HREF="language.oop.html" >Classes and Objects</A >. </P ></DIV ><DIV CLASS="sect2" ><H2 CLASS="sect2" ><A NAME="language.types.object.casting" ></A >Converting to object</H2 ><P > If an object is converted to an object, it is not modified. If a value of any other type is converted to an object, a new instace of the <TT CLASS="literal" >stdClass</TT > built in class is created. If the value was null, the new instance will be empty. For any other value, a member variable named <TT CLASS="literal" >scalar</TT > will contain the value. <DIV CLASS="informalexample" ><A NAME="AEN3805" ></A ><P ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="php" ><?php $obj = (object) 'ciao'; echo $obj-&gt;scalar; // outputs 'ciao' ?></PRE ></TD ></TR ></TABLE ><P ></P ></DIV > </P ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="language.types.array.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="language.types.resource.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Arrays</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="language.types.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Resource</TD ></TR ></TABLE ></DIV ></BODY ></HTML >