This is a nice extension idea. However, I found many issues using it.
Here is a corrected version of the validator:
/** * EPhotoValidator class file. * * @author emix * @link http://www.yiiframework.com/ * @copyright Copyright © 2009 emix * @license * * Copyright © 2008 by emix * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * - Neither the name of emix nor the names of its contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ class EPhotoValidator extends CFileValidator { /** * @var string Allowed mime type of the image, ie: image/jpeg */ public $mimeType; /** * @var string Mime type error message */ public $mimeTypeError; /** * @var int Minimum width of the image required. */ public $minWidth; /** * @var string Mime type error message */ public $minWidthError; /** * @var int Maximum width of the image allowed */ public $maxWidth; /** * @var string Mime type error message */ public $maxWidthError; /** * @var int Minimum height of the image required. */ public $minHeight; /** * @var string Mime type error message */ public $minHeightError; /** * @var int Maximum height of the image allowed. */ public $maxHeight; /** * @var string Mime type error message */ public $maxHeightError; /** * Validates the attribute of the object. * If there is any error, the error message is added to the object. * @param CModel the object being validated * @param string the attribute being validated */ protected function validateAttribute($object,$attribute) { parent::validateAttribute($object, $attribute); $file=$object->$attribute; if(!($file instanceof CUploadedFile)) $file=CUploadedFile::getInstance($object,$attribute); if($this->allowEmpty && ($file===null || $file->getError()==UPLOAD_ERR_NO_FILE)) return; $info=getimagesize($file->getTempName()); if (isset($this->minWidth)) { if ($info[0] < $this->minWidth) { $message=$this->minWidthError ? $this->minWidthError : Yii::t('yii','Photo should be at least {width}px in width'); $this->addError($object,$attribute,$message,array('{width}'=>$this->minWidth)); } } if (isset($this->maxWidth)) { if ($info[0] > $this->maxWidth) { $message=$this->maxWidthError ? $this->maxWidthError : Yii::t('yii','Photo should be at max {width}px in width'); $this->addError($object,$attribute,$message,array('{width}'=>$this->maxWidth)); } } if (isset($this->minHeight)) { if ($info[1] < $this->minHeight) { $message=$this->minHeightError ? $this->minHeightError : Yii::t('yii','Photo should be at least {height}px in height'); $this->addError($object,$attribute,$message,array('{height}'=>$this->minHeight)); } } if (isset($this->maxHeight)) { if ($info[1] > $this->maxHeight) { $message=$this->maxHeightError ? $this->maxHeightError : Yii::t('yii','Photo should be at max {height}px in height'); $this->addError($object,$attribute,$message,array('{height}'=>$this->maxHeight)); } } if (isset($this->mimeType)) { $mime=is_scalar($this->mimeType) ? array($this->mimeType) : $this->mimeType; if (!in_array($file->getType(), $mime)) { $message=$this->mimeTypeError ? $this->mimeTypeError : Yii::t('yii','This mime type of the photo is not allowed'); $this->addError($object,$attribute,$message); } } } }
Regards.