title: strpos always returning true
body: <p>My code always return "true" whatever the string is I tried a bunch of thing but they are only return false... I have no idea what I can do to fix this... my code:</p>
  
  <pre><code>public function isBlacklisted($string)
  {
      $apis = mysql_connect("mysql.hostinger.fr", "mysql user", "testpass") or die(mysql_error());
      mysql_select_db("u770656121_api", $apis);
      $sql = "SELECT * FROM blacklist";
      $result = mysql_query($sql, $apis);
      while($row = mysql_fetch_array($result)) {
          $username = $row['username'];
          if (strpos($string,$username) !== 0) {
              return true;
              break;
          } else {
              return false;
              break;
          }
      }
  }
  </code></pre>