Re: file upload: validate if file is image

it's probably better to show the whole validation in my controller:

if ( !empty( $this->data ) ){ //check if form is submitted

if (!$this->data['User']['name']) { //check for uploaded file
in $this->data

$this->set('error','Du hast kein Bild angegeben');
$this->render('previewprofileimage','ajax');

} else {

if (($this->data['User']['name']['type'] != 'image/jpeg') ||
($this->data['User']['name']['type'] != 'image/png') || ($this-
>data['User']['name']['type'] != 'image/gif')) {

$this->set('error','Du kannst nur Bilder hochladen(jpeg, png,
gif)');
$this->render('previewprofileimage','ajax');

} else { // process upload and resizing and saving the image

$image_path = $this->Image->upload_image_and_thumbnail($this-
>data,"",200,150,$this->Session->read('User.username'), true);

$updates = $this->User->findByUsername($this->Session-
>read('User.username'));
$updates['User']['image_path']= $updates['User']['username']."/".
$updates['User']['username'].".jpg";
$this->User->save($updates);

$this->render('previewprofileimage','ajax');
}
}
}

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