/usr/share/php/smarty3/plugins/validatecriteria.isfloat.php is in smarty-validate 3.0.3-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* Project: SmartyValidate: Form Validator for the Smarty Template Engine
* File: validate_criteria.isFloat.php
* Author: Monte Ohrt <monte at newdigitalgroup dot com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* @link http://www.phpinsider.com/php/code/SmartyValidate/
* @copyright 2001-2005 New Digital Group, Inc.
* @author Monte Ohrt <monte at newdigitalgroup dot com>
* @package SmartyValidate
*/
/**
* test if a value is a float
*
* @param string $value the value being tested
* @param boolean $empty if field can be empty
* @param array params validate parameter values
* @param array formvars form var values
*/
function smarty_validate_criteria_isFloat($value, $empty, &$params, &$formvars) {
if(strlen($value) == 0)
return $empty;
return preg_match('!^\-?\d+\.\d+?$!', $value);
}
?>
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