| Smarty - the compiling PHP template engine |
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Chapter 5. Variable Modifiers |
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default[默认值]
| Parameter Position |
Type |
Required |
Default |
Description |
| 1 |
string |
No |
empty
|
This is the default value to output if the
variable is empty.
这是变量为空的时候的默认输出。 |
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.
为空变量设置一个默认值。
当变量为空或者未分配的时候,将由给定的默认值替代输出。
Example 5-10. default
index.php:
$smarty = new Smarty;
$smarty->assign('articleTitle', 'Dealers Will Hear Car Talk at Noon.');
$smarty->display('index.tpl');
index.tpl:
{$articleTitle|default:"no title"}
{$myTitle|default:"no title"}
OUTPUT:
Dealers Will Hear Car Talk at Noon.
no title
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