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clearConfig()
clears assigned config variables
Description
===========
void
clearConfig
string
var
This clears all assigned [config variables](#language.config.variables).
If a variable name is supplied, only that variable is cleared.
<?php
// clear all assigned config variables.
$smarty->clearConfig();
// clear one variable
$smarty->clearConfig('foobar');
?>
See also [`getConfigVars()`](#api.get.config.vars),
[`config variables`](#language.config.variables),
[`config files`](#config.files),
[`{config_load}`](#language.function.config.load),
[`configLoad()`](#api.config.load) and
[`clearAssign()`](#api.clear.assign).
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