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<?php
namespace dokuwiki\plugin\config\core\Setting;
/**
* Class setting_numericopt
*/
class SettingNumericopt extends SettingNumeric
{
// just allow an empty config
protected $pattern = '/^(|[-]?\d+(?:[-+*]\d+)*)$/';
/**
* @inheritdoc
* Empty string is valid for numericopt
*/
public function update($input)
{
if ($input === '') {
if ($input == $this->local) return false;
$this->local = $input;
return true;
}
return parent::update($input);
}
}
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