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<HTML
><HEAD
><TITLE
>Basic syntax</TITLE
><META
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BGCOLOR="#FFFFFF"
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>PHP Manual</TH
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><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
>&#13;     There are four ways of escaping from HTML and entering "PHP code
     mode":</P
><P
>&#13;     <TABLE
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
CLASS="EXAMPLE"
><TR
><TD
><DIV
CLASS="example"
><A
NAME="AEN2285"
></A
><P
><B
>Example 5-1. Ways of escaping from HTML</B
></P
><TABLE
BORDER="0"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><PRE
CLASS="programlisting"
>&#13;1.  &#60;? echo ("this is the simplest, an SGML processing instruction\n"); ?&#62;
 
2.  &#60;?php echo("if you want to serve XML documents, do like this\n"); ?&#62;

3.  &#60;script language="php"&#62; 
        echo ("some editors (like FrontPage) don't
              like processing instructions");
    &#60;/script&#62;

4.  &#60;% echo ("You may optionally use ASP-style tags"); %&#62;
    &#60;%= $variable; # This is a shortcut for "&#60;%echo .." %&#62;
      </PRE
></TD
></TR
></TABLE
></DIV
></TD
></TR
></TABLE
></P
><P
>&#13;     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
>&#13;     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
>&#13;     The closing tag for the block will include the immediately
     trailing newline if one is present.</P
></DIV
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>Prev</A
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>Home</A
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>Language Reference</TD
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>Instruction separation</TD
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>