I want to fetch data [closed]

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I want to fetch data from the data base but I don't know how to fetch data in Smarty. Please help me.

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You fetch it like you would normally. You then "send" it to Smarty using $smarty->assign().

Like this:

$name = 'John';
$smarty = new Smarty();
$smarty->assign('firstname', $name);

In a Smarty template you can then use {$firstname} to access the data in $name:

<p>Hello, {$firstname}!</p>

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Smarty is a Frontend templating engine. Though there are (lengthy) workarounds, you shouldn't attempt to access your model layer (the "data base") directly from a template. Rather, you should access the database information in PHP, then pass information into the smarty templates by assigning variables.

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You dont fetch data in smarty... you only display data using smarty. Fetching data is done in your php page, and you assign the data array to a smarty variable, that displays the data in your .tpl file.