Name
registerPlugin() — dynamically register plugins
Description
void registerPlugin(string type,
string name,
mixed callback,
bool cacheable,
mixed cache_attrs);This method registers functions or methods defined in your script as plugin. It uses the following parameters:
typedefines the type of the plugin. Valid values are "function", "block", "compiler" and "modifier".namedefines the name of the plugin.-
callbackdefines the PHP callback. it can be either:A string containing the function
nameAn array of the form
array(&$object, $method)with&$objectbeing a reference to an object and$methodbeing a string containing the method-nameAn array of the form
array($class, $method)with$classbeing the class name and$methodbeing a method of the class.
cacheableandcache_attrscan be omitted in most cases. See controlling cacheability of plugins output on how to use them properly.
Example 14.39. register a function plugin
<?php
$smarty->registerPlugin("function","date_now", "print_current_date");
function print_current_date($params, $smarty)
{
if(empty($params["format"])) {
$format = "%b %e, %Y";
} else {
$format = $params["format"];
}
return strftime($format,time());
}
?>
And in the template
{date_now}
{* or to format differently *}
{date_now format="%Y/%m/%d"}
Example 14.40. register block function plugin
<?php
// function declaration
function do_translation ($params, $content, $smarty, &$repeat, $template)
{
if (isset($content)) {
$lang = $params["lang"];
// do some translation with $content
return $translation;
}
}
// register with smarty
$smarty->registerPlugin("block","translate", "do_translation");
?>
Where the template is:
{translate lang="br"}Hello, world!{/translate}
Example 14.41. register modifier plugin
<?php
// let's map PHP's stripslashes function to a Smarty modifier.
$smarty->registerPlugin("modifier","ss", "stripslashes");
?>
In the template, use ss to strip slashes.
<?php
{$var|ss}
?>
See also
unregisterPlugin(),
plugin functions,
plugin block functions,
plugin compiler functions,
and the
creating plugin modifiers section.