Clarify and optimize

diff --git a/ext/standard/head.c b/ext/standard/head.c
index cb0bba7128596d6bc561120df1fc472010229f24..34d59454f0931ead460a8e81f3b47a2241cae5a8 100644 (file)
--- a/ext/standard/head.c
+++ b/ext/standard/head.c
@@ -132,7 +132,7 @@ PHP_FUNCTION(setcookie)
                len += Z_STRLEN_PP(z_domain);
        }
        cookie = emalloc(len + 100);
-       if (z_value && (!Z_STRVAL_PP(z_value) || (Z_STRVAL_PP(z_value) && !Z_STRVAL_PP(z_value)[0]))) {
+       if (z_value && Z_STRLEN_PP(z_value)==0) {
                /* 
                 * MSIE doesn't delete a cookie when you set it to a null value
                 * so in order to force cookies to be deleted, even on MSIE, we