SQLSTATE[HY000] [2002] Nenhuma conexão pôde ser feita porque a máquina de destino as recusou ativamente<br />
<b>Warning</b>:  Undefined variable $conn in <b>C:\xampp\htdocs\mobile\expimgcoleta.php</b> on line <b>16</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function prepare() on null in C:\xampp\htdocs\mobile\expimgcoleta.php:16
Stack trace:
#0 {main}
  thrown in <b>C:\xampp\htdocs\mobile\expimgcoleta.php</b> on line <b>16</b><br />