interface iohandler_interface

Input-Output handler interface for the installer

Methods

send_response(bool $no_more_output = false)

Renders or returns response message

mixed
get_input(string $name, mixed $default, bool $multibyte = false)

Returns input variable

mixed
get_raw_input(string $name, mixed $default)

Returns raw input variable

mixed
get_server_variable(string $name, mixed $default = '')

Returns server variable

mixed
get_header_variable(string $name, mixed $default = '')

Wrapper function for request_interface::header()

bool
is_secure()

Returns true if the connection is encrypted

add_error_message(string|array $error_title, string|bool|array $error_description = false)

Adds an error message to the rendering queue

add_warning_message(string|array $warning_title, string|bool|array $warning_description = false)

Adds a warning message to the rendering queue

add_log_message(string|array $log_title, string|bool|array $log_description = false)

Adds a log message to the rendering queue

null
add_success_message(string|array $success_title, string|bool|array $success_description = false)

Adds a success message to the rendering queue

add_user_form_group(string $title, array $form)

Adds a requested data group to the rendering queue

string
generate_form_render_data(string $title, array $form)

Returns the rendering information for the form

set_task_count(int $task_count, bool $restart = false)

Sets the number of tasks belonging to the installer in the current mode.

set_progress(string $task_lang_key, int $task_number)

Sets the progress information

request_refresh()

Sends refresh request to the client

set_active_stage_menu(array $menu_path)

Marks stage as active in the navigation bar

set_finished_stage_menu(array $menu_path)

Marks stage as completed in the navigation bar

finish_progress(string $message_lang_key)

Finish the progress bar

add_download_link(string $route, string $title, string|null|array $msg = null)

Adds a download link

redirect(string $url, bool $use_ajax = false)

Redirects the user to a new page

render_update_file_status(array $status_array)

Renders the status of update files

set_cookie(string $cookie_name, string $cookie_value)

Sends and sets cookies

Details

at line 26
send_response(bool $no_more_output = false)

Renders or returns response message

Parameters

bool $no_more_output

Whether or not there will be more output in this output unit

at line 39
mixed get_input(string $name, mixed $default, bool $multibyte = false)

Returns input variable

Parameters

string $name

Name of the input variable to obtain

mixed $default

A default value that is returned if the variable was not set. This function will always return a value of the same type as the default.

bool $multibyte

If $default is a string this parameter has to be true if the variable may contain any UTF-8 characters Default is false, causing all bytes outside the ASCII range (0-127) to be replaced with question marks

Return Value

mixed

Value of the input variable

at line 50
mixed get_raw_input(string $name, mixed $default)

Returns raw input variable

Parameters

string $name

Name of the input variable to obtain

mixed $default

A default value that is returned if the variable was not set. This function will always return a value of the same type as the default.

Return Value

mixed

Value of the raw input variable

at line 62
mixed get_server_variable(string $name, mixed $default = '')

Returns server variable

This function should work the same as request_interface::server().

Parameters

string $name

Name of the server variable

mixed $default

Default value to return when the requested variable does not exist

Return Value

mixed

Value of the server variable

at line 72
mixed get_header_variable(string $name, mixed $default = '')

Wrapper function for request_interface::header()

Parameters

string $name

Name of the request header variable

mixed $default

Default value to return when the requested variable does not exist

Return Value

mixed

at line 79
bool is_secure()

Returns true if the connection is encrypted

Return Value

bool

at line 91
add_error_message(string|array $error_title, string|bool|array $error_description = false)

Adds an error message to the rendering queue

Note: When an array is passed into the parameters below, it will be resolved as printf($param[0], $param[1], ...).

Parameters

string|array $error_title

Title of the error message.

string|bool|array $error_description

Description of the error (and possibly guidelines to resolve it), or false if the error description is not available.

at line 103
add_warning_message(string|array $warning_title, string|bool|array $warning_description = false)

Adds a warning message to the rendering queue

Note: When an array is passed into the parameters below, it will be resolved as printf($param[0], $param[1], ...).

Parameters

string|array $warning_title

Title of the warning message

string|bool|array $warning_description

Description of the warning (and possibly guidelines to resolve it), or false if the warning description is not available

at line 115
add_log_message(string|array $log_title, string|bool|array $log_description = false)

Adds a log message to the rendering queue

Note: When an array is passed into the parameters below, it will be resolved as printf($param[0], $param[1], ...).

Parameters

string|array $log_title

Title of the log message

string|bool|array $log_description

Description of the log, or false if the log description is not available

at line 129
null add_success_message(string|array $success_title, string|bool|array $success_description = false)

Adds a success message to the rendering queue

Note: When an array is passed into the parameters below, it will be resolved as printf($param[0], $param[1], ...).

Parameters

string|array $success_title

Title of the success message

string|bool|array $success_description

Description of the success, or false if the success description is not available

Return Value

null

at line 137
add_user_form_group(string $title, array $form)

Adds a requested data group to the rendering queue

Parameters

string $title

Language variable with the title of the form

array $form

An array describing the required data (options etc)

at line 147
string generate_form_render_data(string $title, array $form)

Returns the rendering information for the form

Parameters

string $title

Language variable with the title of the form

array $form

An array describing the required data (options etc)

Return Value

string

Information to render the form

at line 155
set_task_count(int $task_count, bool $restart = false)

Sets the number of tasks belonging to the installer in the current mode.

Parameters

int $task_count

Number of tasks

bool $restart

Whether or not to restart the progress bar, false by default

at line 163
set_progress(string $task_lang_key, int $task_number)

Sets the progress information

Parameters

string $task_lang_key

Language key for the name of the task

int $task_number

Position of the current task in the task queue

at line 168
request_refresh()

Sends refresh request to the client

at line 175
set_active_stage_menu(array $menu_path)

Marks stage as active in the navigation bar

Parameters

array $menu_path

Array to the navigation elem

at line 182
set_finished_stage_menu(array $menu_path)

Marks stage as completed in the navigation bar

Parameters

array $menu_path

Array to the navigation elem

at line 189
finish_progress(string $message_lang_key)

Finish the progress bar

Parameters

string $message_lang_key

Language key for the message

Adds a download link

Parameters

string $route

Route for the link

string $title

Language key for the title

string|null|array $msg

Language key for the message

at line 206
redirect(string $url, bool $use_ajax = false)

Redirects the user to a new page

Parameters

string $url

URL to redirect to

bool $use_ajax

Whether or not to use AJAX redirect

at line 213
render_update_file_status(array $status_array)

Renders the status of update files

Parameters

array $status_array

Array containing files in groups to render

Sends and sets cookies

Parameters

string $cookie_name

Name of the cookie to set

string $cookie_value

Value of the cookie to set