(PHP 4 >= 4.0.2, PHP 5, PHP 7, PHP 8)
curl_version — Gets cURL version information
Returns information about the cURL version.
This function has no parameters.
Returns an associative array with the following elements:
| Key | Value description |
|---|---|
| version_number | cURL 24 bit version number |
| version | cURL version number, as a string |
| ssl_version_number | OpenSSL 24 bit version number |
| ssl_version | OpenSSL version number, as a string |
| libz_version | zlib version number, as a string |
| host | Information about the host where cURL was built |
| age | |
| features | A bitmask of the CURL_VERSION_XXX constants |
| protocols | An array of protocols names supported by cURL |
| Version | Description |
|---|---|
| 8.0.0 |
The optional age parameter has been removed.
|
| 7.4.0 |
The optional age parameter has been deprecated;
if a value is passed, it is ignored.
|
Example #1 curl_version() example
This example will check which features that's available
in cURL build by using the 'features' bitmask returned
by curl_version().
<?php
// Get curl version array
$version = curl_version();
// These are the bitfields that can be used
// to check for features in the curl build
$bitfields = Array(
'CURL_VERSION_IPV6',
'CURL_VERSION_KERBEROS4',
'CURL_VERSION_SSL',
'CURL_VERSION_LIBZ'
);
foreach($bitfields as $feature)
{
echo $feature . ($version['features'] & constant($feature) ? ' matches' : ' does not match');
echo PHP_EOL;
}
?>