fix #35690 (pack() tries to allocate huge memory block when packing float values...

diff --git a/ext/standard/pack.c b/ext/standard/pack.c
index 80ef259356bf76f63b171b5b49dde81b3d15611f..4b9ac0279809bbebac8cdbc4a3c91d0794f29bb8 100644 (file)
--- a/ext/standard/pack.c
+++ b/ext/standard/pack.c
@@ -184,6 +184,7 @@ PHP_FUNCTION(pack)
                                }
 
                                if (arg < 0) {
+                                       convert_to_string_ex(argv[currentarg]);
                                        arg = Z_STRLEN_PP(argv[currentarg]);
                                }