<?php
/**                                                                    
* wp-redactor                                                      
*                                                                      
* @package     wp-redactor                                         
* @author      DataSync Technologies                                       
* @copyright   2016 DataSync Technologies                                  
* @license                                                             
*                                                                      
*/                                                                     


function datasync_pluckColumn($key, $arrSource){
     $plucked = array();
      foreach ($arrSource as $row) {
        if (array_key_exists($key, $row)) {
          $plucked[] = $row->$key;
        }
      }
      unset($arrSource);

      return $plucked;
}