log.php

<?php

  if ($_POST['facebook'] == 1) {

  			$facebook = new FB_Post();

				// build message
				$data = array(
				 	'message' => $smsmessage,
				 	'name' => 'This is the name',
				 	'picture' => 'http://www.bumpp.me/Merchant_Image/' . $merch['comp_logo_2'],
				 	'link' => 'http://www.bumpp.me/',
				 	'description' => 'This is a description',
				 	'caption' => 'This is a caption'
				);
        

        // log out your data array
        error_log(json_encode(data));

				$facebook->postAsPage($merch['page_id'], $merch['fb_uid'], $fb_user_token, $data);

	}