82 lines
2.9 KiB
PHP
82 lines
2.9 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2008-2010 (original work) Deutsche Institut für Internationale Pädagogische Forschung (under the project TAO-TRANSFER);
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* 2009-2012 (update and modification) Public Research Centre Henri Tudor (under the project TAO-SUSTAIN & TAO-DEV);
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*
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*/
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/**
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* Validate string lenght
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*
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* @access public
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* @author Joel Bout, <joel.bout@tudor.lu>
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* @package tao
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*/
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class tao_helpers_form_validators_Length extends tao_helpers_form_Validator
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{
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public function setOptions(array $options)
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{
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parent::setOptions($options);
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if ($this->hasOption('min') && $this->hasOption('max')) {
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$this->setMessage(__('Invalid field length') . " (minimum " . $this->getOption('min') . ", maximum " . $this->getOption('max') . ")");
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} elseif ($this->hasOption('min') && !$this->hasOption('max')) {
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$this->setMessage(__('This field is too short') . " (minimum " . $this->getOption('min') . ")");
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} elseif (!$this->hasOption('min') && $this->hasOption('max')) {
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$this->setMessage(__('This field is too long') . " (maximum " . $this->getOption('max') . ")");
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} else {
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throw new Exception("Please set 'min' and/or 'max' options!");
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}
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}
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/**
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* Short description of method evaluate
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*
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* @access public
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* @author Joel Bout, <joel.bout@tudor.lu>
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* @param values
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* @return boolean
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*/
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public function evaluate($values)
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{
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$returnValue = (bool) false;
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$returnValue = true;
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$values = is_array($values) ? $values : [$values];
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foreach ($values as $value) {
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if ($this->hasOption('min') && mb_strlen($value) < $this->getOption('min')) {
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if ($this->hasOption('allowEmpty') && $this->getOption('allowEmpty') && empty($value)) {
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continue;
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} else {
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$returnValue = false;
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break;
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}
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}
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if ($this->hasOption('max') && mb_strlen($value) > $this->getOption('max')) {
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$returnValue = false;
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break;
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}
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}
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return (bool) $returnValue;
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}
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}
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