Fix UNKNOWN default values in ext/curl

Closes GH-5734

Author: kocsismate

ext/curl/curl.stub.php

@@ -33,11 +33,11 @@ function curl_multi_setopt(CurlMultiHandle $multi_handle, int $option, mixed $va
 
 function curl_exec(CurlHandle $handle): string|bool {}
 
-function curl_file_create(string $filename, string $mimetype = UNKNOWN, string $postname = UNKNOWN): CURLFile {}
+function curl_file_create(string $filename, ?string $mimetype = null, ?string $postname = null): CURLFile {}
 
-function curl_getinfo(CurlHandle $handle, int $option = UNKNOWN): mixed {}
+function curl_getinfo(CurlHandle $handle, ?int $option = null): mixed {}
 
-function curl_init(string $url = UNKNOWN): CurlHandle|false {}
+function curl_init(?string $url = null): CurlHandle|false {}
 
 function curl_multi_add_handle(CurlMultiHandle $multi_handle, CurlHandle $handle): int {}
 

ext/curl/curl_arginfo.h

@@ -41,17 +41,17 @@ ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_OBJ_INFO_EX(arginfo_curl_file_create, 0, 1, CURLFile, 0)
 	ZEND_ARG_TYPE_INFO(0, filename, IS_STRING, 0)
-	ZEND_ARG_TYPE_INFO(0, mimetype, IS_STRING, 0)
-	ZEND_ARG_TYPE_INFO(0, postname, IS_STRING, 0)
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, mimetype, IS_STRING, 1, "null")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, postname, IS_STRING, 1, "null")
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_curl_getinfo, 0, 1, IS_MIXED, 0)
 	ZEND_ARG_OBJ_INFO(0, handle, CurlHandle, 0)
-	ZEND_ARG_TYPE_INFO(0, option, IS_LONG, 0)
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, option, IS_LONG, 1, "null")
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_OBJ_TYPE_MASK_EX(arginfo_curl_init, 0, 0, CurlHandle, MAY_BE_FALSE)
-	ZEND_ARG_TYPE_INFO(0, url, IS_STRING, 0)
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, url, IS_STRING, 1, "null")
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_curl_multi_add_handle, 0, 2, IS_LONG, 0)

ext/curl/curl_file.c

@@ -35,8 +35,8 @@ static void curlfile_ctor(INTERNAL_FUNCTION_PARAMETERS)
 	ZEND_PARSE_PARAMETERS_START(1,3)
 		Z_PARAM_PATH_STR(fname)
 		Z_PARAM_OPTIONAL
-		Z_PARAM_STR(mime)
-		Z_PARAM_STR(postname)
+		Z_PARAM_STR_OR_NULL(mime)
+		Z_PARAM_STR_OR_NULL(postname)
 	ZEND_PARSE_PARAMETERS_END();
 
 	zend_update_property_string(curl_CURLFile_class, cf, "name", sizeof("name")-1, ZSTR_VAL(fname));

ext/curl/curl_file.stub.php

@@ -4,11 +4,7 @@
 
 class CURLFile
 {
-    public function __construct(
-        string $filename,
-        string $mimetype = UNKNOWN,
-        string $postname = UNKNOWN
-    ) {}
+    public function __construct(string $filename, ?string $mimetype = null, ?string $postname = null) {}
 
     /** @return string */
     public function getFilename() {}

ext/curl/curl_file_arginfo.h

@@ -2,8 +2,8 @@
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_CURLFile___construct, 0, 0, 1)
 	ZEND_ARG_TYPE_INFO(0, filename, IS_STRING, 0)
-	ZEND_ARG_TYPE_INFO(0, mimetype, IS_STRING, 0)
-	ZEND_ARG_TYPE_INFO(0, postname, IS_STRING, 0)
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, mimetype, IS_STRING, 1, "null")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, postname, IS_STRING, 1, "null")
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_class_CURLFile_getFilename, 0, 0, 0)

ext/curl/interface.c

@@ -1861,7 +1861,7 @@ PHP_FUNCTION(curl_init)
 
 	ZEND_PARSE_PARAMETERS_START(0,1)
 		Z_PARAM_OPTIONAL
-		Z_PARAM_STR(url)
+		Z_PARAM_STR_OR_NULL(url)
 	ZEND_PARSE_PARAMETERS_END();
 
 	cp = curl_easy_init();
@@ -3008,17 +3008,18 @@ PHP_FUNCTION(curl_getinfo)
 {
 	zval		*zid;
 	php_curl	*ch;
-	zend_long	option = 0;
+	zend_long	option;
+	zend_bool option_is_null = 1;
 
 	ZEND_PARSE_PARAMETERS_START(1, 2)
 		Z_PARAM_OBJECT_OF_CLASS(zid, curl_ce)
 		Z_PARAM_OPTIONAL
-		Z_PARAM_LONG(option)
+		Z_PARAM_LONG_OR_NULL(option, option_is_null)
 	ZEND_PARSE_PARAMETERS_END();
 
 	ch = Z_CURL_P(zid);
 
-	if (ZEND_NUM_ARGS() < 2) {
+	if (option_is_null) {
 		char *s_code;
 		/* libcurl expects long datatype. So far no cases are known where
 		   it would be an issue. Using zend_long would truncate a 64-bit