如何使用curl_setopt()将带有内联参数的cURL代码单行代码转换为一个格式

I'm trying to use an API from avalara.net to get sales tax data and their API documentation lists what appears to be essentially a single line of code with a long string in JSON format for connecting to their API via cURL; I'm not familiar with this single string style and am trying to convert it into a format that follows the php manual's style, for example setting options via curl_setopt() instead of as inline commands like -u and -d but I'm not getting anywhere.I'm trying to use an API from avalara.net to ge