PHP JSON的解析函数

$json = '{"foo-bar": 12345}';

$obj = json_decode($json);
print $obj->{'foo-bar'};

 // 12345

$arr = array ('a'=>1,'b'=>2,'c'=>3,'d'=>4,'e'=>5);

echo json_encode($arr);

//输出结果

{"a":1,"b":2,"c":3,"d":4,"e":5}