diff --git a/ext/pdo_dblib/dblib_driver.c b/ext/pdo_dblib/dblib_driver.c
index 9f590c9071b6..389e3c805681 100644
--- a/ext/pdo_dblib/dblib_driver.c
+++ b/ext/pdo_dblib/dblib_driver.c
@@ -231,7 +231,7 @@ zend_string *dblib_handle_last_id(pdo_dbh_t *dbh, const zend_string *name)
 	pdo_dblib_db_handle *H = (pdo_dblib_db_handle *)dbh->driver_data;
 
 	RETCODE ret;
-	BYTE id[32];
+	BYTE id[40];
 	size_t len;
 
 	/*
@@ -264,7 +264,7 @@ zend_string *dblib_handle_last_id(pdo_dbh_t *dbh, const zend_string *name)
 		return NULL;
 	}
 
-	len = dbconvert(NULL, (dbcoltype(H->link, 1)) , (dbdata(H->link, 1)) , (dbdatlen(H->link, 1)), SQLCHAR, (BYTE *)id, (DBINT)-1);
+	len = dbconvert(NULL, (dbcoltype(H->link, 1)) , (dbdata(H->link, 1)) , (dbdatlen(H->link, 1)), SQLCHAR, (BYTE *)id, (DBINT)sizeof(id));
 	dbcancel(H->link);
 
 	return zend_string_init((const char *) id, len, 0);
@@ -544,7 +544,6 @@ static int pdo_dblib_handle_factory(pdo_dbh_t *dbh, zval *driver_options)
 		}
 
 		if (i==nvers) {
-			printf("Invalid version '%s'\n", vars[5].optval);
 			pdo_raise_impl_error(dbh, NULL, "HY000", "PDO_DBLIB: Invalid version specified in connection string.");
 			goto cleanup; /* unknown version specified */
 		}
diff --git a/ext/reflection/php_reflection.c b/ext/reflection/php_reflection.c
index eff61659d078..a208741b1590 100644
--- a/ext/reflection/php_reflection.c
+++ b/ext/reflection/php_reflection.c
@@ -2477,9 +2477,20 @@ ZEND_METHOD(ReflectionParameter, __construct)
 	switch (Z_TYPE_P(reference)) {
 		case IS_STRING:
 			{
-				zend_string *lcname = zend_string_tolower(Z_STR_P(reference));
-				fptr = zend_hash_find_ptr(EG(function_table), lcname);
-				zend_string_release(lcname);
+				zend_string *fname = Z_STR_P(reference);
+				zend_string *lcname;
+				if (UNEXPECTED(ZSTR_VAL(fname)[0] == '\\')) {
+					/* Ignore leading "\" */
+					ALLOCA_FLAG(use_heap)
+					ZSTR_ALLOCA_ALLOC(lcname, ZSTR_LEN(fname) - 1, use_heap);
+					zend_str_tolower_copy(ZSTR_VAL(lcname), ZSTR_VAL(fname) + 1, ZSTR_LEN(fname) - 1);
+					fptr = zend_fetch_function(lcname);
+					ZSTR_ALLOCA_FREE(lcname, use_heap);
+				} else {
+					lcname = zend_string_tolower(fname);
+					fptr = zend_fetch_function(lcname);
+					zend_string_release(lcname);
+				}
 				if (!fptr) {
 					zend_throw_exception_ex(reflection_exception_ptr, 0,
 						"Function %s() does not exist", Z_STRVAL_P(reference));
diff --git a/ext/reflection/tests/ReflectionParameter_leading_backslash.phpt b/ext/reflection/tests/ReflectionParameter_leading_backslash.phpt
new file mode 100644
index 000000000000..b0a7827c2764
--- /dev/null
+++ b/ext/reflection/tests/ReflectionParameter_leading_backslash.phpt
@@ -0,0 +1,17 @@
+--TEST--
+ReflectionParameter::__construct(): a leading "\" in the function name is ignored
+--FILE--
+<?php
+
+function demo(string $arg) {}
+
+$p = new ReflectionParameter("\\demo", 0);
+var_dump($p->getName());
+
+$p = new ReflectionParameter("demo", 0);
+var_dump($p->getName());
+
+?>
+--EXPECT--
+string(3) "arg"
+string(3) "arg"