Funções para HTTP
PHP Manual

http_support

(PECL pecl_http >= 0.15.0)

http_supportCheck 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");
}
?>


Funções para HTTP
PHP Manual