ensure the merged header IS_STRING

diff --git a/php_http_message.c b/php_http_message.c
index c1c82e98e453bce6604d131adc76d32ac9a4ba5a..da0ac7d2331e8bc91aa919f1ce001edd8c04d555 100644 (file)
--- a/php_http_message.c
+++ b/php_http_message.c
@@ -158,7 +158,9 @@ PHP_HTTP_API zval *php_http_message_header(php_http_message_t *msg, char *key_st
                        php_http_buffer_init(&str);
                        MAKE_STD_ZVAL(header_str);
                        FOREACH_VAL(pos, *header, val) {
-                               php_http_buffer_appendf(&str, PHP_HTTP_BUFFER_LEN(&str) ? ", %s":"%s", Z_STRVAL_PP(val));
+                               zval *strval = php_http_zsep(IS_STRING, *val);
+                               php_http_buffer_appendf(&str, PHP_HTTP_BUFFER_LEN(&str) ? ", %s":"%s", Z_STRVAL_P(strval));
+                               zval_ptr_dtor(&strval);
                        }
                        php_http_buffer_fix(&str);
                        ZVAL_STRINGL(header_str, PHP_HTTP_BUFFER_VAL(&str), PHP_HTTP_BUFFER_LEN(&str), 0);