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Variables assigned from PHP {#language.assigned.variables}
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# Variables assigned from PHP
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===========================
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Assigned variables that are referenced by preceding them with a dollar
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Variables assigned from PHP are referenced by preceding them with a dollar
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(`$`) sign.
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(`$`) sign.
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## Examples
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```php
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PHP code
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<?php
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$smarty = new Smarty();
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    <?php
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    $smarty = new Smarty();
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    $smarty->assign('firstname', 'Doug');
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$smarty->assign('firstname', 'Doug');
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    $smarty->assign('lastname', 'Evans');
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$smarty->assign('lastname', 'Evans');
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    $smarty->assign('meetingPlace', 'New York');
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$smarty->assign('meetingPlace', 'New York');
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    $smarty->display('index.tpl');
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$smarty->display('index.tpl');
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    ?>
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```
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`index.tpl` source:
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`index.tpl` source:
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    Hello {$firstname} {$lastname}, glad to see you can make it.
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```smarty
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    <br />
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Hello {$firstname} {$lastname}, glad to see you can make it.
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    {* this will not work as $variables are case sensitive *}
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<br />
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    This weeks meeting is in {$meetingplace}.
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{* this will not work as $variables are case sensitive *}
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    {* this will work *}
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This weeks meeting is in {$meetingplace}.
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    This weeks meeting is in {$meetingPlace}.
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{* this will work *}
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This weeks meeting is in {$meetingPlace}.
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This above would output:
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```
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This above would output:
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    Hello Doug Evans, glad to see you can make it.
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    <br />
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```html
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    This weeks meeting is in .
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Hello Doug Evans, glad to see you can make it.
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    This weeks meeting is in New York.
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<br />
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This weeks meeting is in .
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This weeks meeting is in New York.
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```
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Associative arrays {#language.variables.assoc.arrays}
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------------------
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## Associative arrays
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You can also reference associative array variables by specifying the key
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after a dot \".\" symbol.
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You can also reference associative array variables by specifying the key
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after a dot "." symbol.
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    <?php
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    $smarty->assign('Contacts',
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```php
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        array('fax' => '555-222-9876',
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<?php
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              'email' => 'zaphod@slartibartfast.example.com',
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$smarty->assign('Contacts',
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              'phone' => array('home' => '555-444-3333',
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    array('fax' => '555-222-9876',
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                               'cell' => '555-111-1234')
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                               )
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          'email' => 'zaphod@slartibartfast.example.com',
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             );
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          'phone' => array('home' => '555-444-3333',
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                           'cell' => '555-111-1234')
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                           )
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         );
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$smarty->display('index.tpl');
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```
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    $smarty->display('index.tpl');
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    ?>
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`index.tpl` source:
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    {$Contacts.fax}<br />
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`index.tpl` source:
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    {$Contacts.email}<br />
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    {* you can print arrays of arrays as well *}
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```smarty
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    {$Contacts.phone.home}<br />
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{$Contacts.fax}<br />
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    {$Contacts.phone.cell}<br />
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{$Contacts.email}<br />
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{* you can print arrays of arrays as well *}
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{$Contacts.phone.home}<br />
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{$Contacts.phone.cell}<br />
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this will output:
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```
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this will output:
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    555-222-9876<br />
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    zaphod@slartibartfast.example.com<br />
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    555-444-3333<br />
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    555-111-1234<br />
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```html
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555-222-9876<br />
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zaphod@slartibartfast.example.com<br />
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555-444-3333<br />
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Array indexes {#language.variables.array.indexes}
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555-111-1234<br />
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-------------
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```
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You can reference arrays by their index, much like native PHP syntax.
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## Array indexes
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You can reference arrays by their index, much like native PHP syntax.
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```php
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<?php
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$smarty->assign('Contacts', array(
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                           '555-222-9876',
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    <?php
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    $smarty->assign('Contacts', array(
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                               '555-222-9876',
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                               'zaphod@slartibartfast.example.com',
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                           'zaphod@slartibartfast.example.com',
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                                array('555-444-3333',
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                                      '555-111-1234')
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                                ));
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    $smarty->display('index.tpl');
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    ?>
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                            array('555-444-3333',
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                                  '555-111-1234')
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                            ));
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`index.tpl` source:
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$smarty->display('index.tpl');
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```
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    {$Contacts[0]}<br />
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    {$Contacts[1]}<br />
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`index.tpl` source:
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    {* you can print arrays of arrays as well *}
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    {$Contacts[2][0]}<br />
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```smarty
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    {$Contacts[2][1]}<br />
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{$Contacts[0]}<br />
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{$Contacts[1]}<br />
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{* you can print arrays of arrays as well *}