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POFatal error: Using $this when not in object context
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copied!<p>I'm creating my class like I always do. I create the member variables, I setup the setter and getter and the I use $this to call the values of the member variables. but for some reason now I'm get the <strong>fatal error: Using $this when not in object context</strong></p> <p>Here is the regular php file which should populates the member variables with their value</p> <pre><code>try { $add_advert = new Site(); $add_advert->add_time = mysqli_real_escape_string($link, $_POST['time']); $add_advert->add_url = mysqli_real_escape_string($link, $_POST['URL']); $add_advert->add_advertisement($_FILES); $feedback = "<div class='succes'>Advertisement succesfully added!</div>"; } catch(Exception $e) { $feedback = "<div class='error'>"; $feedback .= $e->getMessage(); $feedback .= "</div>"; } </code></pre> <p>the member variables:</p> <pre><code>class Site { protected $add_url; protected $add_time; protected $extend_id; </code></pre> <p>the setter and getter:</p> <pre><code>public function __set($p_sProperty, $p_sValue) { switch($p_sProperty) { case "add_url": $this->add_url = $p_sValue; break; case "add_time": $this->add_time = $p_sValue; break; case "extend_id": $this->extend_id = $p_sValue; break; } }//end of setter public function __get($p_sProperty) { $vResult = ""; switch($p_sProperty) { case "add_url": $vResult = $this->add_url; break; case "add_time": $vResult = $this->add_time; break; case "extend_id": $vResult = $this->extend_id; break; } return $vResult; }// end of getter </code></pre> <p>and the function where I use the $this object (it's only a part of the function), it's the $this->add_time that is causing the problem:</p> <pre><code>public static function add_advertisement($files) { global $link, $userid, $useridentify; if(!isset($files['image']['tmp_name']) || empty($files['image']['tmp_name'])): throw new exception("No image given, enter an image please."); endif; if($_POST['URL'] == NULL || $_POST['URL'] == "http://"): throw new exception("No url given, enter a valid url please."); endif; if($_POST['time'] == NULL): throw new exception("You did not select any option to advertise. Select one of the available advertising options."); endif; if(!$path = Uploader::upload_file($files, 'images/', 'gif|jpg|jpeg|jpe|png', 300000)): throw new exception("Could not upload the image."); endif; if(self::get_balance() >= $this->add_time): </code></pre>

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