php file_get_contents encoding issue

Question

I am trying to Integrate an SMS service into my website. I need to make a HTTP call with a param named "msg" (urlencoded).

Currently, I am constructing the entire URL with msg param being urlencoded (ie $msg = urlencode($msg) ), and I am sending the SMS.

$msg = urlencode("Hello World");

Although what I receive on my phone is "Hello+World" and NOT "Hello World".

So is there an issue with file_get_contents ?

Also, is there anyway, I can see the string "file_get_contents" finally sends out ?

Answer 1

Try using rawurlencode() instead.

The principal difference (although there are others) is that it encodes spaces as %20 instead of + . This is quite likely the source of your problem.

Answer 2

I figured what was the issue:

I was using http_build_query to create the query string, and I was passing a urlencode 'd param to it. Hence it was being encoded twice.

So is there an issue with file_get_contents ?

No.

Also, is there any way, I can see the string file_get_contents finally sends out ?

Yes, with a network sniffer.

Answer 3

您需要在检索数据后使用urldecode（）然后显示给用户