#5708: Can't use validation rule 'extension' with allowEmpty
-------------------------------+--------------------------------------------
    Reporter:  obache          |          Type:  Bug    
      Status:  new             |      Priority:  Medium 
   Milestone:  2.0.0.x         |     Component:  General
     Version:  RC3             |      Severity:  Normal 
    Keywords:                  |   Php_version:  PHP 5  
Cake_version:  1.2.0.7692 RC3  |  
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 I want to use file extension validation if upload file is specified, then
 add following settings in model:

 {{{
 #!php
  $validate = array(
          'pict' => array (
                    'notempty' => array(
                           'rule' => 'notEmpty',
                            'on' => 'create',
                            'last' => 'true',
                            'message' => 'picture is required for regist'),
                     'extcheck' => array(
                            'rule' => array('extension', array('jpeg',
 'jpg')),
                            'allowEmpty' => true,
                            'message' => 'only jpeg is allowed'
                    )
           )
  )

 }}}

 But even if upload file is not specified, extensin validation is used and
 error message is appeared.

 Attached patch change to treat error != UPLOAD_ERR_OK same as empty input
 and works as I expected.

-- 
Ticket URL: <https://trac.cakephp.org/ticket/5708>
CakePHP : The Rapid Development Framework for PHP <https://trac.cakephp.org/>
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Our primary goal is to provide a structured framework that enables PHP users at 
all levels to rapidly develop robust web applications, without any loss to 
flexibility.
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