smarty/docs/en/designers/language-variables/language-assigned-variables.xml

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   <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>
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