diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index 4221bceacc8c7..ec622a681b257 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -609,10 +609,10 @@ PHP_FUNCTION(gzfile)
 	int flags = REPORT_ERRORS;
 	char buf[8192] = {0};
 	int i = 0;
-	zend_long use_include_path = 0;
+	bool use_include_path = false;
 	php_stream *stream;
 
-	if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS(), "p|l", &filename, &filename_len, &use_include_path)) {
+	if (SUCCESS != zend_parse_parameters(ZEND_NUM_ARGS(), "p|b", &filename, &filename_len, &use_include_path)) {
 		RETURN_THROWS();
 	}
 
@@ -649,9 +649,9 @@ PHP_FUNCTION(gzopen)
 	size_t filename_len, mode_len;
 	int flags = REPORT_ERRORS;
 	php_stream *stream;
-	zend_long use_include_path = 0;
+	bool use_include_path = false;
 
-	if (zend_parse_parameters(ZEND_NUM_ARGS(), "ps|l", &filename, &filename_len, &mode, &mode_len, &use_include_path) == FAILURE) {
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "ps|b", &filename, &filename_len, &mode, &mode_len, &use_include_path) == FAILURE) {
 		RETURN_THROWS();
 	}
 
@@ -676,9 +676,9 @@ PHP_FUNCTION(readgzfile)
 	int flags = REPORT_ERRORS;
 	php_stream *stream;
 	size_t size;
-	zend_long use_include_path = 0;
+	bool use_include_path = false;
 
-	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|l", &filename, &filename_len, &use_include_path) == FAILURE) {
+	if (zend_parse_parameters(ZEND_NUM_ARGS(), "p|b", &filename, &filename_len, &use_include_path) == FAILURE) {
 		RETURN_THROWS();
 	}
 
diff --git a/ext/zlib/zlib.stub.php b/ext/zlib/zlib.stub.php
index 1083564f76505..5708d9242d3a8 100644
--- a/ext/zlib/zlib.stub.php
+++ b/ext/zlib/zlib.stub.php
@@ -169,15 +169,15 @@ function zlib_get_coding_type(): string|false {}
  * @return array<int, string>|false
  * @refcount 1
  */
-function gzfile(string $filename, int $use_include_path = 0): array|false {}
+function gzfile(string $filename, bool $use_include_path = false): array|false {}
 
 /**
  * @return resource|false
  * @refcount 1
  */
-function gzopen(string $filename, string $mode, int $use_include_path = 0) {}
+function gzopen(string $filename, string $mode, bool $use_include_path = false) {}
 
-function readgzfile(string $filename, int $use_include_path = 0): int|false {}
+function readgzfile(string $filename, bool $use_include_path = false): int|false {}
 
 /** @refcount 1 */
 function zlib_encode(string $data, int $encoding, int $level = -1): string|false {}
diff --git a/ext/zlib/zlib_arginfo.h b/ext/zlib/zlib_arginfo.h
index 1b89be7ecd847..de5a538453861 100644
--- a/ext/zlib/zlib_arginfo.h
+++ b/ext/zlib/zlib_arginfo.h
@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 3660ad3239f93c84b6909c36ddfcc92dd0773c70 */
+ * Stub hash: 65271ce06d23b397180a8dbbcecdb0cde5c6942b */
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_ob_gzhandler, 0, 2, MAY_BE_STRING|MAY_BE_FALSE)
 	ZEND_ARG_TYPE_INFO(0, data, IS_STRING, 0)
@@ -11,18 +11,18 @@ ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_gzfile, 0, 1, MAY_BE_ARRAY|MAY_BE_FALSE)
 	ZEND_ARG_TYPE_INFO(0, filename, IS_STRING, 0)
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, use_include_path, IS_LONG, 0, "0")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, use_include_path, _IS_BOOL, 0, "false")
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_INFO_EX(arginfo_gzopen, 0, 0, 2)
 	ZEND_ARG_TYPE_INFO(0, filename, IS_STRING, 0)
 	ZEND_ARG_TYPE_INFO(0, mode, IS_STRING, 0)
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, use_include_path, IS_LONG, 0, "0")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, use_include_path, _IS_BOOL, 0, "false")
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_readgzfile, 0, 1, MAY_BE_LONG|MAY_BE_FALSE)
 	ZEND_ARG_TYPE_INFO(0, filename, IS_STRING, 0)
-	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, use_include_path, IS_LONG, 0, "0")
+	ZEND_ARG_TYPE_INFO_WITH_DEFAULT_VALUE(0, use_include_path, _IS_BOOL, 0, "false")
 ZEND_END_ARG_INFO()
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_zlib_encode, 0, 2, MAY_BE_STRING|MAY_BE_FALSE)