http_match_request_headerhttp_support
(PECL pecl_http >= 0.15.0)
http_support — Check built-in HTTP support
Descrição
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.
Parâmetros
-
feature -
feature to probe for
Valor Retornado
Returns integer, whether requested feature is supported,
or a bitmask with all supported features if feature was omitted.
Exemplos
Exemplo #1 A http_support() example
<?php
if (!http_support(HTTP_SUPPORT_REQUESTS)) {
die("Need HTTP request support!\n");
}
?>
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