Remove unnecessary haystack length check in stripos()

This falls out naturally from the following condition, because
either the needle length will be zero as well, or the needle
will be longer than the (empty) haystack.

diff --git a/ext/standard/string.c b/ext/standard/string.c
index 4ec66e35bfdc4d76122e9a24baad670e96d47008..0ddc1f695680ae7871e1a9afff8e18761df9f011 100644 (file)
--- a/ext/standard/string.c
+++ b/ext/standard/string.c
@@ -1940,10 +1940,6 @@ PHP_FUNCTION(stripos)
                RETURN_FALSE;
        }
 
-       if (ZSTR_LEN(haystack) == 0) {
-               RETURN_FALSE;
-       }
-
        if (ZSTR_LEN(needle) == 0 || ZSTR_LEN(needle) > ZSTR_LEN(haystack)) {
                RETURN_FALSE;
        }