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smarty/docs/pt_BR/designers/language-basic-syntax/language-syntax-variables.xml

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2006-10-14 04:39:19 +00:00
<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision$ -->
<!-- EN-Revision: 1.14 Maintainer: fernandoc Status: ready -->
<sect1 id="language.syntax.variables">
<title>Variables</title>
<para>
Vaiaveis do template come<6D>am com o sinal de $dollar. Elas podem conter n<>meros,
letras e sublinhados, parecido com
<ulink url="&url.php-manual;language.variables">vari<EFBFBD>vel PHP</ulink>.
Voc<6F> pode referenciar arrays
pelo <20>ndice n<>mero ou n<>o num<75>rico. Tamb<6D>m pode
referenciar propriedades e metodos de objetos.</para>
<para>
<link linkend="language.config.variables">Vari<EFBFBD>veis do arquivo de configura<72><61>o</link>
s<>o excess<73>es a sintaxe de $dollar
e s<>o ao inv<6E>s referenciadas com #cancelas#, ou
via a vari<72>vel
<link linkend="language.variables.smarty.config">$smarty.config</link>.
</para>
<example>
<title>Vari<EFBFBD>veis</title>
<programlisting>
<![CDATA[
{$foo} <-- mostrando uma vari<EFBFBD>vel simples (n<EFBFBD>o array/objeto)
{$foo[4]} <-- mostrando o quito elemento de uma array que come<EFBFBD>a em zero
{$foo.bar} <-- mostrando o valor da chave "bar" da array, similar ao PHP $foo['bar']
{$foo.$bar} <-- display variable key value of an array, similar to PHP $foo[$bar]
{$foo->bar} <-- display the object property "bar"
{$foo->bar()} <-- display the return value of object method "bar"
{#foo#} <-- display the config file variable "foo"
{$smarty.config.foo} <-- synonym for {#foo#}
{$foo[bar]} <-- syntax only valid in a section loop, see {section}
{assign var=foo value='baa'}{$foo} <-- displays "baa", see {assign}
Many other combinations are allowed
{$foo.bar.baz}
{$foo.$bar.$baz}
{$foo[4].baz}
{$foo[4].$baz}
{$foo.bar.baz[4]}
{$foo->bar($baz,2,$bar)} <-- passing parameters
{"foo"} <-- static values are allowed
{* display the server variable "SERVER_NAME" ($_SERVER['SERVER_NAME'])*}
{$smarty.server.SERVER_NAME}
]]>
</programlisting>
</example>
<para>Vari<EFBFBD>veis de requisi<73><69>o como $_GET, $_SESSION etc est<73>o dispon<6F>veis atrav<61>s
da vari<72>vel reservada <emphasis role="bold">
<link linkend="language.variables.smarty">$smarty</link></emphasis>.
</para>
<para>
Veja tamb<6D>m <link linkend="language.variables.smarty">Vari<EFBFBD>veis reservadas do $smarty</link>,
<link linkend="language.config.variables">Vari<EFBFBD>veis da Configura<72><61>o</link>
<link linkend="language.function.assign">{assign}</link>
e
<link linkend="api.assign">assign()</link>.
</para>
</sect1>
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