GH-15440: adding CURLOPT_TCP_KEEPCNT constant (8.9.0) (#15446)

close GH-15446

Author: devnexen

NEWS

@@ -17,6 +17,10 @@ PHP                                                                        NEWS
     As such, passing invalid types to exit/die may now result in a TypeError
     being thrown. (Girgias)
 
+- CURL:
+  . Added CURLOPT_TCP_KEEPCNT to set the number of probes to send before
+    dropping the connection. (David Carlier)
+
 - Hash:
   . Fix GH-15384 (Build fails on Alpine / Musl for amd64). (timwolla)
 

UPGRADING

@@ -917,6 +917,7 @@ PHP 8.4 UPGRADE NOTES
 - Curl:
   . CURL_HTTP_VERSION_3.
   . CURL_HTTP_VERSION_3ONLY.
+  . CURL_TCP_KEEPCNT
 
 - Intl:
   . The IntlDateFormatter class exposes now the new PATTERN constant

ext/curl/curl.stub.php

@@ -407,6 +407,13 @@
  * @cvalue CURLOPT_STDERR
  */
 const CURLOPT_STDERR = UNKNOWN;
+#if LIBCURL_VERSION_NUM >= 0x080900 /* Available since 8.9.0 */
+/**
+ * @var int
+ * @cvalue CURLOPT_TCP_KEEPCNT
+ */
+const CURLOPT_TCP_KEEPCNT = UNKNOWN;
+#endif
 /**
  * @var int
  * @cvalue CURLOPT_TELNETOPTIONS

ext/curl/curl_arginfo.h

@@ -1728,6 +1728,9 @@ static zend_result _php_curl_setopt(php_curl *ch, zend_long option, zval *zvalue
 #if LIBCURL_VERSION_NUM >= 0x075700 /* Available since 7.87.0 */
 		case CURLOPT_CA_CACHE_TIMEOUT:
 		case CURLOPT_QUICK_EXIT:
+#endif
+#if LIBCURL_VERSION_NUM >= 0x080900 /* Available since 8.9.0 */
+		case CURLOPT_TCP_KEEPCNT:
 #endif
 			lval = zval_get_long(zvalue);
 			if ((option == CURLOPT_PROTOCOLS || option == CURLOPT_REDIR_PROTOCOLS) &&