FILTER_FLAG_EMPTY_STRING_NULL 265 ext/filter/filter.c REGISTER_LONG_CONSTANT("FILTER_FLAG_EMPTY_STRING_NULL", FILTER_FLAG_EMPTY_STRING_NULL, CONST_CS | CONST_PERSISTENT); FILTER_FLAG_EMPTY_STRING_NULL 208 ext/filter/sanitizing_filters.c if (flags & FILTER_FLAG_EMPTY_STRING_NULL) { FILTER_FLAG_EMPTY_STRING_NULL 288 ext/filter/sanitizing_filters.c } else if (flags & FILTER_FLAG_EMPTY_STRING_NULL && Z_STRLEN_P(value) == 0) {