What is Smarty?
Why use it?
Use Cases and Work Flow
Syntax Comparison
Template Inheritance
Best Practices
Crash Course
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This is used to set a default value for a variable. If the variable is unset or an empty string, the given default value is printed instead. Default takes the one argument.
With
error_reporting(E_ALL)
,
undeclared variables will always throw an error within the template.
This function is useful for replacing null or zero length strings.
Parameter Position | Type | Required | Default | Description |
---|---|---|---|---|
1 | string | No | empty | This is the default value to output if the variable is empty. |
Example 5.9. default
<?php $smarty->assign('articleTitle', 'Dealers Will Hear Car Talk at Noon.'); $smarty->assign('email', ''); ?>
Where template is:
{$articleTitle|default:'no title'} {$myTitle|default:'no title'} {$email|default:'No email address available'}
Will output:
Dealers Will Hear Car Talk at Noon. no title No email address available
See also the default variable handling and the blank variable handling pages.