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-rw-r--r--ext/standard/pack.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/ext/standard/pack.c b/ext/standard/pack.c
index 80ef259356..4b9ac02798 100644
--- 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]);
}