(PECL pecl_http >= 0.15.0)
http_support — Check built-in HTTP support
$feature
= 0
] )Check for features that require external libraries.
See the feature support constants table
for possible values for the feature
argument.
feature
feature to probe for
Returns integer, whether requested feature is supported,
or a bitmask with all supported features if feature
was omitted.
Пример #1 A http_support() example
<?php
if (!http_support(HTTP_SUPPORT_REQUESTS)) {
die("Need HTTP request support!\n");
}
?>