get_extension_funcs()

get_extension_funcs() — Returns an array with the names of the functions of a module.

Built-in function of PHP 8.5. The manual lists it as available in PHP 4, PHP 5, PHP 7, PHP 8. This page is the reference card: signature, parameters and return value, plus the changelog and the example the manual provides.

What it does

This function returns the names of all the functions defined in the module indicated by extension.

Signature

get_extension_funcs(string $extension): array|false

Parameters

Parameter	Type	What it takes
$extension	string	The module name.

Return value

Returns an array with all the functions, or false if extension is not a valid extension.

Example

A runnable snippet:

print_r(get_extension_funcs("xml"));

Output:

Array ( [0] => xml_parser_create [1] => xml_parser_create_ns [2] => xml_set_object [3] => xml_set_element_handler [4] => xml_set_character_data_handler [5] => xml_set_processing_instruction_handler [6] => xml_set_default_handler [7] => xml_set_unparsed_entity_decl_handler [8] => xml_set_notation_decl_handler [9] => xml_set_external_entity_ref_handler [10] => xml_set_start_namespace_decl_handler [11] => xml_set_end_namespace_decl_handler [12] => xml_parse [13] => xml_parse_into_struct [14] => xml_get_error_code [15] => xml_error_string [16] => xml_get_current_line_number [17] => xml_get_current_column_number [18] => xml_get_current_byte_index [19] => xml_parser_free [20] => xml_parser_set_option [21] => xml_parser_get_option )