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Example 5-1. 从HTML中脱离的方法
1. <? echo("this is the simplest, an SGML processing instruction\n"); ?> 2. <?php echo("if you want to serve XML documents, do like this\n"); ?> 3. <script language="php">
1. <? echo("this is the simplest, an SGML processing instruction\n"); ?>
2. <?php echo("if you want to serve XML documents, do like this\n"); ?>
3. <script language="php">
echo ("some editors (like FrontPage) don't like processing instructions"); </script>;
echo ("some editors (like FrontPage) don't
like processing instructions");
</script>;
4. <% echo("As of PHP 3.0.4 you may optionally use ASP-style tags"); %>
