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