Fixed bug #21708 (ucfirst() trouble again)

# this bug is related to bug #21689

diff --git a/ext/standard/string.c b/ext/standard/string.c
index 543715df93958d91746b33520c3bad80234fe121..7a188f9cae201c5f479fdc69ae27878fd3f81e3a 100644 (file)
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@@ -2019,7 +2019,7 @@ PHP_FUNCTION(ucwords)
 
        *r = toupper((unsigned char) *r);
        for (r_end = r + Z_STRLEN_P(return_value) - 1; r < r_end; ) {
-               if (isspace((int) *r++)) {
+               if (isspace((int) *(unsigned char *)r++)) {
                        *r = toupper((unsigned char) *r);
                }
        }