CURLOPT_CONNECT_ONLY

ConstantAdded in PHP 5.5

CURLOPT_CONNECT_ONLY is one of the accepted parameters for curl_setopt parameter #2.

CURLOPT_CONNECT_ONLYtrue tells the library to perform all the required proxy authentication and connection setup, but no data transfer. This option is implemented for HTTP, SMTP and POP3. Available as of cURL 7.15.2.

PHP 5.3-5.4
PHP 5.5
Added
PHP 5.6
PHP 7
PHP 8.0
PHP 8.1
PHP 8.2
PHP 8.3
PHP 8.4
PHP 8.5
CURLOPT_CONNECT_ONLY = 141;

Changes to the CURLOPT_CONNECT_ONLY Constant

PHP 5.5

  • Constant added

CURLOPT_CONNECT_ONLY Constant Availability

PHP VersionAvailability
PHP 8.5Future Release Yes
PHP 8.4Upcoming Release Yes
PHP 8.3Supported (Latest) Yes
PHP 8.2Supported Yes
PHP 8.1Security-Fixes Only Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported No
PHP 5.3Unsupported No