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http_support

(no version information, might be only in CVS)

http_support -- Check built-in HTTP support

说明

int http_support ( [int feature = 0] )

Check for features that require external libraries.

See the feature support constants table for possible values for the feature argument.

参数

feature

feature to probe for

返回值

Returns integer, whether requested feature is supported, or a bitmask with all supported features if feature was omitted.

范例

例 1. A http_support() example

<?php
if (!http_support(HTTP_SUPPORT_REQUESTS) {
    die("Need HTTP request support!\n");
}
?>

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