<HTML ><HEAD ><TITLE >Basic syntax</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.44"><LINK REL="HOME" TITLE="PHP Manual" HREF="manual.html"><LINK REL="UP" TITLE="Language Reference" HREF="langref.html"><LINK REL="PREVIOUS" TITLE="Language Reference" HREF="langref.html"><LINK REL="NEXT" TITLE="Instruction separation" HREF="language.basic-syntax.instruction-separation.html"></HEAD ><BODY BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><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="langref.html" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="language.basic-syntax.instruction-separation.html" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="chapter" ><H1 ><A NAME="language.basic-syntax" >Chapter 5. Basic syntax</A ></H1 ><DIV CLASS="TOC" ><DL ><DT ><B >Table of Contents</B ></DT ><DT ><A HREF="language.basic-syntax.html#language.basic-syntax.phpmode" >Escaping from HTML</A ></DT ><DT ><A HREF="language.basic-syntax.instruction-separation.html" >Instruction separation</A ></DT ><DT ><A HREF="language.basic-syntax.comments.html" >Comments</A ></DT ></DL ></DIV ><DIV CLASS="sect1" ><H1 CLASS="sect1" ><A NAME="language.basic-syntax.phpmode" >Escaping from HTML</A ></H1 ><P > There are four ways of escaping from HTML and entering "PHP code mode":</P ><P > <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><P ><B >Example 5-1. Ways of escaping from HTML</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><PRE CLASS="programlisting" > 1 2 1. <? echo ("this is the simplest, an SGML processing instruction\n"); ?> 3 4 2. <?php echo("if you want to serve XML documents, do like this\n"); ?> 5 6 3. <script language="php"> 7 echo ("some editors (like FrontPage) don't 8 like processing instructions"); 9 </script> 10 11 4. <% echo ("You may optionally use ASP-style tags"); %> 12 <%= $variable; # This is a shortcut for "<%echo .." %> 13 </PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></P ><P > The first way is only available if short tags have been enabled. This can be done via the <B CLASS="function" >short_tags()</B > function, by enabling the <A HREF="configuration.html#ini.short-open-tag" >short_open_tag</A > configuration setting in the PHP config file, or by compiling PHP with the --enable-short-tags option to <B CLASS="command" >configure</B >.</P ><P > The fourth way is only available if ASP-style tags have been enabled using the <A HREF="configuration.html#ini.asp-tags" >asp_tags</A > configuration setting. <DIV CLASS="note" ><BLOCKQUOTE CLASS="note" ><P ><B >Note: </B >Support for ASP-style tags was added in 3.0.4.</P ></BLOCKQUOTE ></DIV ></P ><P > The closing tag for the block will include the immediately trailing newline if one is present.</P ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="langref.html" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="manual.html" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="language.basic-syntax.instruction-separation.html" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Language Reference</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="langref.html" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Instruction separation</TD ></TR ></TABLE ></DIV ></BODY ></HTML >