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The first thing you probably will notice is that PHP's start and end
tags have changed. The old <? > form has been
replaced by three new possible forms:
Пример D-1. Migration: old start/end tags |
<? echo "This is PHP/FI 2.0 code.\n"; >
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As of version 2.0, PHP/FI also supports this variation:
Пример D-2. Migration: first new start/end tags |
<? echo "This is PHP 3.0 code!\n"; ?>
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Notice that the end tag now consists of a question mark and a
greater-than character instead of just greater-than. However, if
you plan on using XML on your server, you will get problems with
the first new variant, because PHP may try to execute the XML
markup in XML documents as PHP code. Because of this, the
following variation was introduced:
Пример D-3. Migration: second new start/end tags |
<?php echo "This is PHP 3.0 code!\n"; ?>
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Some people have had problems with editors that don't understand
the processing instruction tags at all. Microsoft FrontPage is one
such editor, and as a workaround for these, the following variation
was introduced as well:
Пример D-4. Migration: third new start/end tags |
<script language="php">
echo "This is PHP 3.0 code!\n";
</script>
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