curl POST format for CURLOPT_POSTFIELDS

In case you are sending a string, urlencode() it. Otherwise if array, it should be key=>value paired and the Content-type header is automatically set to multipart/form-data. Also, you don’t have to create extra functions to build the query for your arrays, you already have that:

What exactly is cacert.pem for?

cacert.pem is a bundle of CA certificates that you use to verify that the server is really the correct site you’re talking to (when it presents its certificate in the SSL handshake). The bundle can be used by tools like curl or wget, as well as other TLS/SSL speaking software. The bundle should contain the … Read more

How do I make curl ignore the proxy?

I assume curl is reading the proxy address from the environment variable http_proxy and that the variable should keep its value. Then in a shell like bash, export http_proxy=”; before a command (or in a shell script) would temporarily change its value. (See curl’s manual for all the variables it looks at, under the ENVIRONMENT heading.)

Binary Data Posting with curl

You don’t need –header “Content-Length: $LENGTH”. curl –request POST –data-binary “@template_entry.xml” $URL Note that GET request does not support content body widely. Also remember that POST request have 2 different coding schema. This is first form: $ nc -l -p 6666 & $ curl –request POST –data-binary “@README” http://localhost:6666 POST / HTTP/1.1 User-Agent: curl/7.21.0 (x86_64-pc-linux-gnu) libcurl/7.21.0 OpenSSL/0.9.8o … Read more

cURL error 60: SSL certificate: unable to get local issuer certificate

How to solve this problem: download and extract cacert.pem following the instructions at https://curl.se/docs/caextract.html save it on your filesystem somewhere (for example, XAMPP users might use C:\xampp\php\extras\ssl\cacert.pem) in your php.ini, put this file location in the [curl] section (putting it in the [openss] section is also a good idea): openssl.cafile = “C:\xampp\php\extras\ssl\cacert.pem” restart your webserver (e.g. Apache) and PHP FPM server if applicable … Read more

curl: (35) SSL connect error

curl 7.19.7 (x86_64-redhat-linux-gnu) libcurl/7.19.7 NSS/3.19.1 Basic ECC zlib/1.2.3 libidn/1.18 libssh2/1.4.2 You are using a very old version of curl. My guess is that you run into the bug described 6 years ago. Fix is to update your curl.

CURL ERROR: Recv failure: Connection reset by peer – PHP Curl

Introduction The remote server has sent you a RST packet, which indicates an immediate dropping of the connection, rather than the usual handshake. Possible Causes A. TCP/IP It might be a TCP/IP issue you need to resolve with your host or upgrade your OS most times connection is closed with remote server before it finished downloading … Read more