php debug

.txt

        $postArr = array("url"=>$url,"type"=> $type);
        $file = 'C:\jacob\debug\log.txt';
        $postJSON = json_encode($postArr);
        file_put_contents($file, $postJSON);

$this一定要在被new實體化之後才會產生 http://stackoverflow.com/questions/4323411/how-can-i-write-to-console-in-php

   
    $output = "";
    echo $output;