PHP Classes

File: example_extend.php

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File: example_extend.php
Role: Example script
Content type: text/plain
Description: example of class extend with db
Class: Simple access layer
Manage user resource access permissions
Author: By
Last change: more functional and understandable this way
Date: 16 years ago
Size: 1,225 bytes
 

Contents

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<?php
/**
 *
 * User access layer class.
 *
 * This is a simple user access layer resource.
 *
 *
 * @copyright 2008 Tal Cohen
 * @author Tal Cohen MSN: tal7814@hotmail.com
 * @version CVS: $Id:$
 *
 *
 */


/**
 * simple extend class for SimpleAcl
 *
 */

include_once("simple_acl.php");

class
NotSoSimpleAcl extends SimpleAcl {

  
/**
    * make sure user can edit only his post in the blog
    *
    */
  
public function editPost($db,$postId){

     
//admin can edit everything
     
if ($this->isAdmin()) {
         return
true;
      }

     
$postId = (int)$postId;

     
//let check user vs. db
     
$result = $db->fetchRow(
      
" SELECT * "
     
." FROM posts "
     
." WHERE post_id = $postId "
     
." AND user_id = $this->userId "
     
);

     
//good user
     
if (!empty($result)) {
          return
true;
      }
     
//bad user
     
else return false;
   }
}



/*

$userId = 127;
$userLevel = 4;

$acl = new NotSoSimpleAcl($userId,$userLevel);


$postId = 827;
$db="adodb or whatever";

if ($acl->editPost($db,$postId)) {
    echo "user can edit this post";
}
else {
   echo "user can't edit this post";
}

*/

?>