Fixed bug #31479 (Fixed crash in chunk_split(), when chunklen > strlen).

diff --git a/ext/standard/string.c b/ext/standard/string.c
index 1c9ee20d69ab24ca5730897410253603bc5c8d04..1b8916ec0b60b90144ee8af17ad1869357d5b204 100644 (file)
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@@ -1890,6 +1890,10 @@ PHP_FUNCTION(chunk_split)
                RETURN_FALSE;
        }
 
+       if (chunklen > Z_STRLEN_PP(p_str)) {
+               RETURN_STRINGL(Z_STRVAL_PP(p_str), Z_STRLEN_PP(p_str), 1);      
+       }
+
        if (!Z_STRLEN_PP(p_str)) {
                RETURN_EMPTY_STRING();
        }