Runtime Configuration

The behaviour of these functions is affected by settings in php.ini.

cURL Configuration Options

Name	Default	Changeable	Changelog
curl.cainfo	NULL	PHP_INI_SYSTEM	Available since PHP 5.3.7.

For further details and definitions of the PHP_INI_* modes, see the Where a configuration setting may be set.

Here's a short explanation of the configuration directives.

curl.cainfo string

A default value for the CURLOPT_CAINFO option. This is required to be an absolute path.