json_decode
$json = "{\"ERRORno\":0,\"errormsg\":\"可以\",\"data\":{\"guid\":\"5762340\",\"username\":\"wiu370468\"}}";
echo "<pre>";
var_dump(json_decode($json,true));array(3) {
["errorno"]=>
int(0)
["errormsg"]=>
string(6) "可以"
["data"]=>
array(2) {
["guid"]=>
string(7) "5762340"
["username"]=>
string(9) "wiu370468"
}
}