- php_error_docref(NULL, E_WARNING, "Failed to convert '%.*s' from '%s' to '%s'", Z_STRLEN_P(entry), Z_STRVAL_P(entry), ie, oe);
+ php_error_docref(NULL, E_WARNING, "Failed to convert '%.*s' from '%s' to '%s'", (int) Z_STRLEN_P(entry), Z_STRVAL_P(entry), ie, oe);