Cakephp: How to validate an array to make sure that it has at least five items or more -

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hie guys need code. have form student selects subjects, marks , grades obtained. subjects , grades dropdown menu , in loop. want student enter @ least 5 subjects including english language. each subject referenced subject code. array of students details saved. can me this?

my controller function follows

public function add($app_id = null) {         if($app_id != null){              if ($this->request->is('post')) {          //saving data in variables                 $applicant_id = $this->data    ['applicantolevelqualification']['applicants_detail_id'];             $centre_number = $this->data['applicantolevelqualification']['centre_number'];             $candidate_number = $this->data['applicantolevelqualification']['candidate_number'];             $exam_body_code = $this->data['applicantolevelqualification']['exam_body_code'];             $year_written = $this->data['applicantolevelqualification']['year_written'];         $sittings=$this->request->data['applicantolevelqualification']['number_of_sittings'];     //  debug($sittings);die();          ($i = 1; $i < sizeof($this->data['applicantolevelqualification']['olevel_subject_code']); $i++) {                  if ($this->data['applicantolevelqualification']['olevel_subject_code'][$i] != "") {                     $this->applicantolevelqualification->create();                     $this->applicantolevelqualification->id = null;                     $this->applicantolevelqualification->set(array(                             'applicants_detail_id' => $app_id,                             'olevel_subject_code' => $this->data['applicantolevelqualification']['olevel_subject_code'][$i],                             'grade' => $this->data['applicantolevelqualification']['grade'][$i],                             'centre_number'=> $centre_number,                              'candidate_number'=> $candidate_number,                              'exam_body_code'=> $exam_body_code,                             'year_written'=> $year_written,                          )                     );                      //$appeng = $this->applicantolevelqualification->find('list',array('fields'=> array('olevel_subject_code','grade'), 'conditions'=>array('applicantolevelqualification.olevel_subject_code'=>'8900',)));                  //debug(($this->data->applicantolevelqualification);die();                  /*    if($appeng !="8900"){                    $this->session->setflash(__('english prerequisite application procceed'));                    $this->redirect(array('action' => 'add',$app_id));                       }  */                                         if ($this->applicantolevelqualification->save()) {                               $this->session->setflash(__('your o\'level qualifications have been saved'));                     }   else {                         $this->session->setflash(__('your o\'level qualifications failed save.'));                     }                 }             }

my model follows

public $validate = array( 'grade' => array(         'notempty ddd' => array(             'rule' => array('notempty'),             //'rule' => '/^[a-z]{1}$/i',             'message' => 'enter valid grade, in capital letters!',             //'allowempty' => false,             //'required' => false,             //'last' => false, // stop validation after rule             //'on' => 'create', // limit validation 'create' or 'update' operations         ),     ), 'olevel_subject_code' => array(         'numeric' => array(             'rule' => array('numeric'),             //'message' => 'your custom message here',             //'allowempty' => false,             //'required' => false,             //'last' => false, // stop validation after rule             //'on' => 'create', // limit validation 'create' or 'update' operations         ),     ), );

currently code captures subjects , grades details without checking if student has entered required minimum of 5 sujects , grades. please me if can. thank you.

you should write own custom validation rule(s). add $validate:

public $validate = array( 'grade' => array(         'notempty' => array(             'rule' => array('notempty'),             'message' => 'enter valid grade, in capital letters!',         ),         'mycustomrule' => array(             'rule' => array('mycustomgraderule'),             'message' => 'one or more of subjects not have grades'         )     ), 'olevel_subject_code' => array(         'numeric' => array(             'rule' => array('numeric'),         ),     ), );

where mycustomgraderule method in same model:

public function mycustomgraderule($check) { //   logic here     }

this method should return true when check validates , false when not. can same olevel_subject_code, if you're looking validate both @ least 5 subjects entered every subject has grade entered propose create 1 method both , put custom validation rule in 'olevel_subject_code' in $validate. $check parameter holds data field being validated. in (and every) custom rule can use model's $this->data property, holds of current model data.


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