<?php

function xml_parser_create(string $encoding = UNKNOWN): XmlParser|false {}

function xml_parser_create_ns(string $encoding = UNKNOWN, string $sep = ':'): XmlParser|false {}

function xml_set_object(XmlParser $parser, object $obj): bool {}

/**
 * @param callable $shdl
 * @param callable $ehdl
 */
function xml_set_element_handler(XmlParser $parser, $shdl, $ehdl): bool {}

/** @param callable $hdl */
function xml_set_character_data_handler(XmlParser $parser, $hdl): bool {}

/** @param callable $hdl */
function xml_set_processing_instruction_handler(XmlParser $parser, $hdl): bool {}

/** @param callable $hdl */
function xml_set_default_handler(XmlParser $parser, $hdl): bool {}

/** @param callable $hdl */
function xml_set_unparsed_entity_decl_handler(XmlParser $parser, $hdl): bool {}

/** @param callable $hdl */
function xml_set_notation_decl_handler(XmlParser $parser, $hdl): bool {}

/** @param callable $hdl */
function xml_set_external_entity_ref_handler(XmlParser $parser, $hdl): bool {}

/** @param callable $hdl */
function xml_set_start_namespace_decl_handler(XmlParser $parser, $hdl): bool {}

/** @param callable $hdl */
function xml_set_end_namespace_decl_handler(XmlParser $parser, $hdl): bool {}

function xml_parse(XmlParser $parser, string $data, bool $isfinal = false): int {}

function xml_parse_into_struct(XmlParser $parser, string $data, &$values, &$index = UNKNOWN): int {}

function xml_get_error_code(XmlParser $parser): int {}

function xml_error_string(int $code): ?string {}

function xml_get_current_line_number(XmlParser $parser): int {}

function xml_get_current_column_number(XmlParser $parser): int {}

function xml_get_current_byte_index(XmlParser $parser): int {}

function xml_parser_free(XmlParser $parser): bool {}

function xml_parser_set_option(XmlParser $parser, int $option, $value): bool {}

function xml_parser_get_option(XmlParser $parser, int $option) {}