?? validator.class
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<?php/** * GForge Project Management Facility * * Copyright 2002 GForge, LLC * http://gforge.org/ * * This file is part of GForge. * * GForge is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * GForge 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GForge; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 US *//*** This class is a simple utility to validate fields* * Sample usage:** $v = new Validator();* $v->check($summary, "summary");* $v->check($detail, "detail");* if (!$v->isClean()) {* print $v->formErrorMsg("The following fields were null:");* }**/class Validator { var $badfields; /** * Checks to see if a field is null; if so, the field name is added to an internal array * * @param field - a variable to check for null * @param name - the variable name */ function check($field, $name) { if (!$field) { $this->badfields[] = $name; } } /** * Returns true if no null fields have been checked so far * * @return boolean - True if there are no null fields so far */ function isClean() { return count($this->badfields) == 0; } /** * Returns an error message which contains the null field names which have been checked * * @param preamble string - A string with which to start the error message * @return string - A complete error message */ function formErrorMsg($preamble) { foreach ($this->badfields as $field) { $preamble = $preamble.$field.","; } return substr($preamble, 0, strlen($preamble)-1); }}?>
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