Fix UNKNOWN default values in ext/standard

Author: kocsismate

Zend/zend_API.h

@@ -1511,6 +1511,9 @@ ZEND_API ZEND_COLD void zend_argument_value_error(uint32_t arg_num, const char *
 #define Z_PARAM_ARRAY_HT(dest) \
 	Z_PARAM_ARRAY_HT_EX(dest, 0, 0)
 
+#define Z_PARAM_ARRAY_HT_OR_NULL(dest) \
+	Z_PARAM_ARRAY_HT_EX(dest, 1, 0)
+
 /* old "H" */
 #define Z_PARAM_ARRAY_OR_OBJECT_HT_EX2(dest, check_null, deref, separate) \
 		Z_PARAM_PROLOGUE(deref, separate); \

ext/bz2/bz2.stub.php

@@ -15,7 +15,7 @@ function bzread($bz, int $length = 1024): string|false {}
  * @param resource $bz
  * @alias fwrite
  */
-function bzwrite($bz, string $str, int $length = UNKNOWN): int|false {}
+function bzwrite($bz, string $str, ?int $length = null): int|false {}
 
 /**
  * @param resource $bz

ext/bz2/bz2_arginfo.h

@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: a5c534b7cd92619dfa0fdf29bd0a94fcda27f089 */
+ * Stub hash: 9bcd75ddbde225e65ee9f00d86d16677d671b4e4 */
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_bzopen, 0, 0, 2)
 	ZEND_ARG_INFO(0, file)
@@ -14,7 +14,7 @@ ZEND_END_ARG_INFO()
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_bzwrite, 0, 2, MAY_BE_LONG|MAY_BE_FALSE)
 	ZEND_ARG_INFO(0, bz)
 	ZEND_ARG_TYPE_INFO(0, str, IS_STRING, 0)
-	ZEND_ARG_TYPE_INFO(0, length, IS_LONG, 0)
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, length, IS_LONG, 1, "null")
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_bzflush, 0, 1, _IS_BOOL, 0)

ext/standard/basic_functions.c

@@ -734,7 +734,7 @@ PHP_FUNCTION(getenv)
 
 	ZEND_PARSE_PARAMETERS_START(0, 2)
 		Z_PARAM_OPTIONAL
-		Z_PARAM_STRING(str, str_len)
+		Z_PARAM_STRING_OR_NULL(str, str_len)
 		Z_PARAM_BOOL(local_only)
 	ZEND_PARSE_PARAMETERS_END();
 
@@ -1424,22 +1424,17 @@ PHP_FUNCTION(error_log)
 {
 	char *message, *opt = NULL, *headers = NULL;
 	size_t message_len, opt_len = 0, headers_len = 0;
-	int opt_err = 0, argc = ZEND_NUM_ARGS();
 	zend_long erropt = 0;
 
 	ZEND_PARSE_PARAMETERS_START(1, 4)
 		Z_PARAM_STRING(message, message_len)
 		Z_PARAM_OPTIONAL
 		Z_PARAM_LONG(erropt)
-		Z_PARAM_PATH(opt, opt_len)
-		Z_PARAM_STRING(headers, headers_len)
+		Z_PARAM_PATH_OR_NULL(opt, opt_len)
+		Z_PARAM_STRING_OR_NULL(headers, headers_len)
 	ZEND_PARSE_PARAMETERS_END();
 
-	if (argc > 1) {
-		opt_err = (int)erropt;
-	}
-
-	if (_php_error_log_ex(opt_err, message, message_len, opt, headers) == FAILURE) {
+	if (_php_error_log_ex((int) erropt, message, message_len, opt, headers) == FAILURE) {
 		RETURN_FALSE;
 	}
 
@@ -2265,16 +2260,17 @@ PHP_FUNCTION(connection_status)
 PHP_FUNCTION(ignore_user_abort)
 {
 	zend_bool arg = 0;
+	zend_bool arg_is_null = 1;
 	int old_setting;
 
 	ZEND_PARSE_PARAMETERS_START(0, 1)
 		Z_PARAM_OPTIONAL
-		Z_PARAM_BOOL(arg)
+		Z_PARAM_BOOL_OR_NULL(arg, arg_is_null)
 	ZEND_PARSE_PARAMETERS_END();
 
 	old_setting = (unsigned short)PG(ignore_user_abort);
 
-	if (ZEND_NUM_ARGS()) {
+	if (!arg_is_null) {
 		zend_string *key = zend_string_init("ignore_user_abort", sizeof("ignore_user_abort") - 1, 0);
 		zend_alter_ini_entry_chars(key, arg ? "1" : "0", 1, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
 		zend_string_release_ex(key, 0);