ONIG_ENCODING_UTF32_LE 137 ext/mbstring/oniguruma/regext.c else if (from == ONIG_ENCODING_UTF32_LE) { ONIG_ENCODING_UTF32_LE 146 ext/mbstring/oniguruma/regext.c else if (to == ONIG_ENCODING_UTF32_LE) { ONIG_ENCODING_UTF32_LE 141 ext/mbstring/php_mbregex.c ONIG_ENCODING_UTF32_LE