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docs/en/designers/language-variables/language-assigned-variables.xml Normal file
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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision$ -->
<sect1 id="language.assigned.variables">
<title>Variables assigned from PHP</title>
<para>
Variables that are assigned from PHP are referenced by preceding them with
a dollar sign <literal>$</literal>. Variables assigned from within the
template with the <link linkend="language.function.assign">assign</link>
function are also displayed this way.
</para>
<example>
<title>assigned variables</title>
<programlisting>
<![CDATA[
Hello {$firstname}, glad to see you could make it.
<br />
Your last login was on {$lastLoginDate}.
]]>
</programlisting>
<para>
This will output:
</para>
<screen>
<![CDATA[
Hello Doug, glad to see you could make it.
<br />
Your last login was on January 11th, 2001.
]]>
</screen>
</example>
<sect2 id="language.variables.assoc.arrays">
<title>Associative arrays</title>
<para>
You can also reference associative array variables that are
assigned from PHP by specifying the key after the '.' (period)
symbol.
</para>
<example>
<title>accessing associative array variables</title>
<programlisting role="php">
<![CDATA[
<?php
$smarty = new Smarty;
$smarty->assign('Contacts',
array('fax' => '555-222-9876',
'email' => 'zaphod@slartibartfast.com',
'phone' => array('home' => '555-444-3333',
'cell' => '555-111-1234')));
$smarty->display('index.tpl');
?>
]]>
</programlisting>
<para>
where the content of index.tpl is:
</para>
<programlisting>
<![CDATA[
{$Contacts.fax}<br />
{$Contacts.email}<br />
{* you can print arrays of arrays as well *}
{$Contacts.phone.home}<br />
{$Contacts.phone.cell}<br />
]]>
</programlisting>
<para>
this will output:
</para>
<screen>
<![CDATA[
555-222-9876<br />
zaphod@slartibartfast.com<br />
555-444-3333<br />
555-111-1234<br />
]]>
</screen>
</example>
</sect2>
<sect2 id="language.variables.array.indexes">
<title>Array indexes</title>
<para>
You can reference arrays by their index, much like native PHP
syntax.
</para>
<example>
<title>accessing arrays by index</title>
<programlisting role="php">
<![CDATA[
<?php
$smarty = new Smarty;
$smarty->assign('Contacts',
array('555-222-9876',
'zaphod@slartibartfast.com',
array('555-444-3333',
'555-111-1234')));
$smarty->display('index.tpl');
?>
]]>
</programlisting>
<para>
where index.tpl is:
</para>
<programlisting>
<![CDATA[
{$Contacts[0]}<br />
{$Contacts[1]}<br />
{* you can print arrays of arrays as well *}
{$Contacts[2][0]}<br />
{$Contacts[2][1]}<br />
]]>
</programlisting>
<para>
This will output:
</para>
<screen>
<![CDATA[
555-222-9876<br />
zaphod@slartibartfast.com<br />
555-444-3333<br />
555-111-1234<br />
]]>
</screen>
</example>
</sect2>
<sect2 id="language.variables.objects">
<title>Objects</title>
<para>
Properties of objects assigned from PHP can be referenced
by specifying the property name after the '-&gt;' symbol.
</para>
<example>
<title>accessing object properties</title>
<programlisting>
<![CDATA[
name: {$person->name}<br />
email: {$person->email}<br />
]]>
</programlisting>
<para>
this will output:
</para>
<screen>
<![CDATA[
name: Zaphod Beeblebrox<br />
email: zaphod@slartibartfast.com<br />
]]>
</screen>
</example>
</sect2>
</sect1>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"../../../../manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->