Smarty Manual
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default

Parameter PositionTypeRequiredDefaultDescription
1stringNoemptyThis is the default value to output if the variable is empty.

This is used to set a default value for a variable. If the variable is empty or unset, the given default value is printed instead. Default takes one argument.

此函式用在設定變數的預設值，如果變數的值是空白或尚未設定的話，則會列印出預 設值，使用此函式時會預設需要一個參數。

Example 5-9. default

<?php

$smarty = new Smarty;
$smarty->assign('articleTitle', 'Dealers Will Hear Car Talk at Noon.');
$smarty->display('index.tpl');

?>

Where index.tpl is:

其中 index.tpl 的內容為： 

{$articleTitle|default:"no title"}
{$myTitle|default:"no title"}

This will output:

輸出的結果是： 

Dealers Will Hear Car Talk at Noon.
no title
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