php - Check value of textbox is blank or not when form submit using yii framework -


i new in yii framework.i doing search search operation using yii framework.my requirement check textbox value null or not in controller.i can print textbox value in variable '$experience'.but cant check blank or not.controler name sitecontroller.php,view search.php , model job.php

my controller sitecontroller.php

<?php  class sitecontroller extends controller  {  public function actionsearch()   {    $user_id = trim($_get['id']);      $model = new job ;    if(isset($_post['job']))       {         if(yii::app()->getrequest()->getisajaxrequest())           {             echo cactiveform::validate(array($jobprofilem2));              yii::app()->end();            }           $model->attributes=$_post['job'];           if($model->validate())            {              $title=$_post['job']['title'];              $experience=$_post['job']['experience'];              echo "data".$experience=trim($experience);              if($_post['job']['experience'] == " ")              {                 echo "hai";              }   $model=job::model()->findall(array('select'=>'*',"condition"=>"(title '%$title%')   or   (key_skills '%$title%')",));              $number=count($model); //$this->redirect($this->createurl('site/search_result',array('title'=>$title,)));              }            else            {              yii::app()->user->setflash('error', "validation failed!");            }                                      }    $this->render('search',array('model' =>$model));  }  }   ?>

//view-search.php

<div class="form">   <?php $form=$this->beginwidget('cactiveform', array( 'id'=>'login-form', 'enableclientvalidation'=>false, 'htmloptions' => array(),     'clientoptions'=>array(     'validateonsubmit'=>true ),  )); ?>   <?php foreach(yii::app()->user->getflashes() $key => $message) {     echo '<div class="flash-' . $key . '">' . $message . "</div>\n";    }  ?>    <div class="row">    <?php echo $form->labelex($model,'keyword'); ?>      <?php echo $form->textfield($model,'title'); ?>     <?php echo $form->error($model,'keyword'); ?> </div>    <div class="row">    <?php echo $form->labelex($model,'experience'); ?>     <?php echo $form->textfield($model,'experience'); ?>     <?php echo $form->error($model,'experience'); ?> </div>  <div class="row buttons">     <?php echo chtml::submitbutton('search'); ?> </div>    <?php $this->endwidget(); ?>   </div>

i cant print 'hai' message when experince textbox blank.anybody me?

if($_post['job']['experience'] == " ") {     echo "hai"; }

this not check whatever string empty. check whatever there space. want check "". if not supposed continue follow michiel suggestion.


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