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Lorna Mitchell's Blog:
POSTing JSON Data With PHP cURL
November 22, 2011 @ 18:06:48

On her blog today Lorna Mitchell has a quick tip for anyone having an issue sending POSTed JSON data with the curl functionality that can be built into PHP. The trick to her method is sending things with the right header.

We can't send post fields, because we want to send JSON, not pretend to be a form (the merits of an API which accepts POST requests with data in form-format is an interesting debate). Instead, we create the correct JSON data, set that as the body of the POST request, and also set the headers correctly so that the server that receives this request will understand what we sent.

She includes a code example (about ten lines) showing the POSTing process that sets up options using curl's curl_setopt. Be sure to set up the headers to send as "application/json" - that's the trick to letting the remote end know the format.

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post data tutorial json curl curlsetopt


Tobias Schlitt's Blog:
Sending HEAD requests with ext/curl
June 27, 2008 @ 08:48:02

In a new post, Tobias Schlitt looks at how to send HEAD requests right along with the rest of your payload with the ext/curl extension for PHP.

I recently wanted to perform a HEAD request to a file, after which I wanted to perform some more advanced HTTP interaction, so CURL was also the tool of choice here.

He started with the (slow?) command line to get the parameters right before moving into PHP. After picking out the right ones ("curl -I -X HEAD http://localhost/admin/") he transfers them into a series of curl_setopt calls that specifies a HEAD request type and no content to send (with CURLOPT_NOBODY).

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head request curl extension tutorial curlsetopt curlopt



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