FILTER_SANITIZE_SPECIAL_CHARS 55 ext/filter/filter.c { "special_chars", FILTER_SANITIZE_SPECIAL_CHARS, php_filter_special_chars }, FILTER_SANITIZE_SPECIAL_CHARS 245 ext/filter/filter.c REGISTER_LONG_CONSTANT("FILTER_SANITIZE_SPECIAL_CHARS", FILTER_SANITIZE_SPECIAL_CHARS, CONST_CS | CONST_PERSISTENT);