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How-to articles, tricks, and solutions about CURL

Call to undefined function curl_init() even it is enabled in php7

The error message "Call to undefined function curl_init()" typically indicates that the cURL extension for PHP is not installed or is not enabled.

php ubuntu curl

Can't connect to HTTPS site using cURL. Returns 0 length content instead. What can I do?

There are several possible reasons why cURL is returning a 0 length response when trying to connect to an HTTPS site.

php curl https

Compiling php with curl, where is curl installed?

The location of the curl installation depends on the operating system and the method used to install it.

php linux curl installation compilation

CURL and HTTPS, "Cannot resolve host"

It sounds like you are trying to use curl to make a request to an HTTPS url and are encountering an error that says "Cannot resolve host." This error can occur for a few reasons:

php curl

Curl and PHP - how can I pass a json through curl by PUT,POST,GET

To pass a JSON object through cURL using the PUT method, you can use the following command:

php curl post get put

curl error 18 - transfer closed with outstanding read data remaining

Error 18 means that the transfer was closed with outstanding read data remaining.

php curl

Curl error 60, SSL certificate issue: self signed certificate in certificate chain

This error message appears when curl is unable to verify the SSL/TLS certificate presented by the server.

php curl oauth vk

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

This error is usually caused by a network issue, such as a lost connection or a network timeout.

php curl yii

curl POST format for CURLOPT_POSTFIELDS

To make a POST request with PHP's cURL functions, you can use the CURLOPT_POST option to send POST data.

php curl post

curl posting with header application/x-www-form-urlencoded

To make a POST request using curl and include a header of Content-Type: application/x-www-form-urlencoded, you can use the following command:

php curl api php-5.3