PHP curl_version function
PHP curl_version function
(PHP 5> = 5.5.0)
curl_version - Gets cURL version information.
Explanation
array curl_version ([ int $age = CURLVERSION_NOW ] )
Returns information about the cURL version of.
parameter
age
return value
It returns an associative array containing the following elements:
| Indice | 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 building cURL host |
| age | |
| features | A bit mask constants CURL_VERSION_XXX |
| protocols | An array of protocols names supported by cURL |
Examples
This example will check the current cURL version curl_version () returns 'features' bitmask which features are available.
<?php
// 获取cURL版本数组
$version = curl_version();
// 在cURL编译版本中使用位域来检查某些特性
$bitfields = Array(
'CURL_VERSION_IPV6',
'CURL_VERSION_KERBEROS4',
'CURL_VERSION_SSL',
'CURL_VERSION_LIBZ'
);
foreach($bitfields as $feature)
{
echo $feature . ($version['features'] & constant($feature) ? ' matches' : ' does not match');
echo PHP_EOL;
}
?>