- Fixed bug #20087 (Assertion failure when the value was empty)

diff --git a/ext/mbstring/mbstring.c b/ext/mbstring/mbstring.c
index d48c937a933697d846b4a6015a693c8ce5eecf2c..00dd6e01e48c177f0fe19f35f7507d22e6245ab4 100644 (file)
--- a/ext/mbstring/mbstring.c
+++ b/ext/mbstring/mbstring.c
@@ -1794,7 +1794,7 @@ PHP_FUNCTION(mb_parse_str)
                }
                n++;
                /* add variable to symbol table */
-               php_register_variable_safe(var, val, val_len, track_vars_array TSRMLS_CC);
+               php_register_variable_safe(var, val ? val : "", val_len, track_vars_array TSRMLS_CC);
                mbfl_string_clear(&resvar);
                mbfl_string_clear(&resval);
        }