+/* {{{ proto int http_support([int feature = 0])
+ *
+ * Check for feature that require external libraries.
+ *
+ * Accpepts an optional in parameter specifying which feature to probe for.
+ * If the parameter is 0 or omitted, the return value contains a bitmask of
+ * all supported features that depend on external libraries.
+ *
+ * Available features to probe for are:
+ * <ul>
+ * <li> HTTP_SUPPORT: always set
+ * <li> HTTP_SUPPORT_REQUESTS: whether ext/http was linked against libcurl,
+ * and HTTP requests can be issued
+ * <li> HTTP_SUPPORT_SSLREQUESTS: whether libcurl was linked against openssl,
+ * and SSL requests can be issued
+ * <li> HTTP_SUPPORT_ENCODINGS: whether ext/http was linked against zlib,
+ * and compressed HTTP responses can be decoded
+ * <li> HTTP_SUPPORT_MAGICMIME: whether ext/http was linked against libmagic,
+ * and the HttpResponse::guessContentType() method is usable
+ * </ul>
+ *
+ * Returns int, whether requested feature is supported, or a bitmask with
+ * all supported features.
+ */
+PHP_FUNCTION(http_support)
+{
+ long feature = 0;
+
+ RETVAL_LONG(0L);
+
+ if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|l", &feature)) {
+ RETVAL_LONG(http_support(feature));