Administrator / test_3

  <?php
  
  namespace common\behaviors;
  
  use yii;
  use yii\base\Behavior;
  
  class ShowImage extends Behavior
  {
      function minImg($dir, $width, $height=null){

          if(empty($dir)){
              return $dir;
          }
  

          if($width=='original'){
              $preg = '/\/(.[^\/]*)$/';
              preg_match('/\.(.[^.]*)$/', $dir, $type);
              $row = preg_replace( $preg, '/original.'.$type[1],  $dir);
          } else {
              $preg = '/\/(.[^\/]*)$/';
              preg_match('/\.(.[^.]*)$/', $dir, $type);
              $row =  preg_replace( $preg, '/'.$width.'X'.$height.'.'.$type[1],  $dir);
          }
          
          return $row;
  
  
      }
  

      function ShowGallery($array){
  
          $gallery = explode(',', $array );
          if(is_array($gallery)){
              array_splice($gallery,-1);
              return $gallery;
          } else {
              return [];
          }
  
      }
  

  }