Undefined variable: ch
app/Api.php:14 Base->{closure}(8,'Undefined variable: ch','/srv/piphone/piphone-front/app/Api.php',14,array('url'=>'http://piphone.dev.laquadrature.net/restapi/campaigns/1/?format=json','curl'=>NULL))
app/Api.php:14 Base->{closure}(8,'Undefined variable: ch','/srv/piphone/piphone-front/app/Api.php',14,array('url'=>'http://piphone.dev.laquadrature.net/restapi/campaigns/1/?format=json','curl'=>NULL))