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92 lines
2.5 KiB
XML
92 lines
2.5 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!-- $Revision$ -->
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<sect1 id="language.syntax.quotes">
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<title>Embedding Vars in Double Quotes</title>
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<itemizedlist>
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<listitem>
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<para>
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Smarty will recognize <link
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linkend="api.assign">assigned</link>
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<link linkend="language.syntax.variables">variables</link>
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embedded in "double quotes" so long as the variable name contains only numbers,
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letters, under_scores and brackets[].
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See <ulink url="&url.php-manual;language.variables">naming</ulink>
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for more detail.
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</para></listitem>
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<listitem><para>
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With any other characters, for example a .period or
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<literal>$object>reference</literal>, then the variable must be
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surrounded by <literal>`backticks`</literal>.
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</para></listitem>
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<listitem><para>You cannot embed
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<link linkend="language.modifiers">modifiers</link>, they must always
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be applied outside of quotes.
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</para></listitem>
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</itemizedlist>
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<example>
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<title>Syntax examples</title>
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<programlisting>
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<![CDATA[
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{func var="test $foo test"} <-- sees $foo
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{func var="test $foo_bar test"} <-- sees $foo_bar
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{func var="test $foo[0] test"} <-- sees $foo[0]
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{func var="test $foo[bar] test"} <-- sees $foo[bar]
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{func var="test $foo.bar test"} <-- sees $foo (not $foo.bar)
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{func var="test `$foo.bar` test"} <-- sees $foo.bar
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{func var="test `$foo.bar` test"|escape} <-- modifiers outside quotes!
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]]>
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</programlisting>
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</example>
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<example>
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<title>Practical examples</title>
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<programlisting>
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<![CDATA[
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{* will replace $tpl_name with value *}
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{include file="subdir/$tpl_name.tpl"}
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{* doesn't replace $tpl_name *}
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{include file='subdir/$tpl_name.tpl'} <--
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{* must have backticks as it contains a . *}
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{cycle values="one,two,`$smarty.config.myval`"}
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{* same as $module['contact'].'.tpl' in a php script
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{include file="`$module.contact`.tpl"}
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{* same as $module[$view].'.tpl' in a php script
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{include file="`$module.$view`.tpl"}
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]]>
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</programlisting>
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</example>
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<para>
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See also <link linkend="language.modifier.escape"><varname>escape</varname></link>.
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</para>
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</sect1>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../../../manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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