CURLOPT_RESOLVE
Constant  • Added in PHP 5.5  
CURLOPT_RESOLVE is one of the accepted parameters for curl_setopt parameter #2.
CURLOPT_RESOLVE — Provide an array of colon-separated strings
with custom addresses for specific host and port pairs in the following format:
 array( "example.com:80:127.0.0.1", "example2.com:443:127.0.0.2", ) 
Available as of cURL 7.21.3.
CURLOPT_RESOLVE = 10203;Changes to the CURLOPT_RESOLVE Constant 
PHP 5.5
- Constant added
CURLOPT_RESOLVE Constant Availability
CURLOPT_RESOLVE Constant Availability| PHP Version | Availability | 
|---|---|
| PHP 8.6Future Release | Yes | 
| PHP 8.5Upcoming Release | Yes | 
| PHP 8.4Supported (Latest) | Yes | 
| PHP 8.3Supported | Yes | 
| PHP 8.2Security-Fixes Only | 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 |