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