PHP_JSON_UNESCAPED_UNICODE 117 ext/json/json.c PHP_JSON_REGISTER_CONSTANT("JSON_UNESCAPED_UNICODE", PHP_JSON_UNESCAPED_UNICODE); PHP_JSON_UNESCAPED_UNICODE 306 ext/json/json_encoder.c if (options & PHP_JSON_UNESCAPED_UNICODE) { PHP_JSON_UNESCAPED_UNICODE 324 ext/json/json_encoder.c if (us >= 0x80 && !(options & PHP_JSON_UNESCAPED_UNICODE)) {