mirror of
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50 lines
1.7 KiB
XML
50 lines
1.7 KiB
XML
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<?xml version="1.0" encoding="iso-8859-1"?>
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<!-- $Revision$ -->
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<sect1 id="language.syntax.variables">
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<title>Variables</title>
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<para>
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Template variables start with a dollar sign. They can contain numbers,
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letters and underscores, much like a PHP variable. You can reference arrays
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that are indexed numerically or non-numerically. You can also reference
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object properties and methods. Config file variables are an exception to the
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dollar sign syntax. They can be referenced with surrounding hashmarks, or
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with the special $smarty.config variable.
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</para>
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<example>
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<title>Variables</title>
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<programlisting>
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<![CDATA[
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{$foo} <-- displaying a simple variable (non array/object)
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{$foo[4]} <-- display the 5th element of a zero-indexed array
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{$foo.bar} <-- display the "bar" key value of an array, similar to PHP $foo['bar']
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{$foo.$bar} <-- display the key value of an array denoted by the value $bar
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{$foo->bar} <-- display the object property "bar"
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{$foo->bar()} <-- display the object method return value for "bar"
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{#foo#} <-- display the config file variable "foo"
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{$smarty.config.foo} <-- synonym for {#foo#}
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{$foo[bar]} <-- syntax only valid in a section loop, see {section}
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]]>
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</programlisting>
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</example>
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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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