Refactor PHP code (#7574)

* Use settings-get method
- get default, domain and user settings
- Replace _SESSION

* Simplify get domain paging

* Change isset using empty

* Fix token name and hash

* Add new default settings category: contact, name: default_sort_column, and default_sort_order

* Update app_config.php

* Update footer.php

* Fix require.php and core/dashboard/index.php (#7563)

* Fix require.php and core/dashboard/index.php

* Fix require.php and core/dashboard/index.php

* Fix require.php and core/dashboard/index.php

* Fix require.php and core/dashboard/index.php

* Fix require.php and core/dashboard/index.php

* Fix require.php and core/dashboard/index.php

* Fix require.php and core/dashboard/index.php

* Fix require.php and core/dashboard/index.php

* Fix require.php and core/dashboard/index.php

* Update destinations.php

* Update permission.php

* Update require.php

---------

Co-authored-by: FusionPBX <markjcrane@gmail.com>
Co-authored-by: FusionPBX <mark@fusionpbx.com>

* Update header.php

* Use settings get classes (#7567)

* access_control

* azure

* azure

* basic_operator_panel

* bridges

* call_block

* call_broadcast

* call_center

* call_flows

* call_forward

* call_recordings

* do_not_disturb

* feature_event_notify

* follow_me

* remove unused object properties

* fix esl command

* fix esl command

* conference_centers

* conference_centers - remove whitespace

* conference_controls

* conference_profiles

* conference_profiles

* Delete core/websockets/resources/classes/socket_exception.php.original~

* Delete core/websockets/resources/classes/websocket_server.php.original~

* conferences

* destinations

* device

* dialplan

* email_queue

* event_guard

* extension_settings

* extension

* fax

* fax_queue

* fifo

* gateways

* ivr_menu

* modules

* switch_music_on_hold

* number_translations

* phrases

* pin_numbers

* provision

* switch_recordings

* registrations

* ring_groups

* sip_profiles

* sofia_global_settings

* streams

* presence

* switch_files

* time_conditions

* vars

* voicemail_greetings

* voicemail

* ringbacks

* contacts

* xml_cdr

* authentication

* dashboard

* default_settings

* domain_settings

* email_templates

* permission

* user_logs

* user_settings

* users

* button

* cache

* captcha

* remove cli_option

* remove directory.php for switch_directory class

* email

* file

* groups

* event_socket use config object

* Use intval to give an integer port

* switch_settings

* tones

* fix object used before initialization

* menu

* fix copy paste error for switch_files.php

* always include require.php for framework files

* Fix missing properties

* set the action

* Use the $database object

* Add missing class properties

* Fix the domain_name

* Use public scope for domain_uuid and domain_name

* Add missing parameters

* Correct the user_uuid parameter

* Add json_validate and use it in the dashboard
update indentation on functions.php

* Intialize the active_registrations variable

* Define the $parameters

* Set a default value for user_setting_enabled

* Add condition domain_uuid not empty

* Add not empty condition for domain_uuid

* Declare the global variables

* Update how the defaults are set use ??

* Use ?? to set the default values

* Update call_center_queue_edit.php

* Prevent an error

* Add domain_name property

* Fix the null coalescing operator

* Removed domain_uuid from the URL

* Change condition to check sip_profile_domain_name

* Refactor domain_uuid declaration and comments

Removed redundant domain_uuid declaration and updated comments.

* Account for an empty value

* Refactor constructor to use settings array

Updated constructor to accept settings array for domain UUID and database initialization.

* Refactor xml_cdr.php to improve variable organization

Removed duplicate domain_uuid declaration and reorganized private variables for better structure.

* Enhance transcription button logic and icon display

Updated transcription button visibility conditions and improved application icon handling in the call flow summary.

* Refactor settings initialization in domains.php

Updated settings initialization to include domain_uuid and user_uuid.

* Modify domain change condition in require.php

Updated condition to check if 'domain_change' is not empty before proceeding.

* Set default_setting_enabled to true by default

* Enhance domain UUID check in access controls

* Enhance domain UUID check in settings list

* Refactor category display logic in vars.php

* Simplify list row URL generation

Removed domain UUID check from list row URL construction.

* Refactor module category display logic

* Fix SQL query by removing parameters variable

* Initialize result_count variable for call recordings

* Refactor leg variable usage in xml_cdr_details.php

* Update conference_room_edit.php

* Change GET to REQUEST for order and search variables

* Set timezone and SQL time format in recordings.php

Added timezone and SQL time format settings.

* Set default for ring group greeting

* Improve domain UUID check in stream listing

* Handle null voicemail_option_param safely

* Add file existence check for greeting files

Check if greeting file exists before getting size and date.

* Improve domain UUID check in email templates

* Update FIFO strategy dropdown and description text

* Add multilingual agent descriptions

Added multilingual descriptions for agents in the app_languages.php file.

* Add music on hold descriptions

* Add the chime list description

Updated copyright year from 2024 to 2025.

* Fix domain UUID check and handle email subject decoding

* Add null coalescing for $value in email_test.php

Ensure $value is not null by providing a default empty string.

* Handle undefined dialplan_uuid in input field

* Add translations for 'Status' label in multiple languages

* Fix typo in config instance check

---------

Co-authored-by: frytimo <tim@fusionpbx.com>

resources/classes/config.php

@@ -183,7 +183,7 @@ final class config {
 
 			//remove from the global namespace
 			unset($db_type, $db_host, $db_port, $db_name, $db_username, $db_password, $db_sslmode, $db_secure, $db_cert_authority);
-		} 
+		}
 		else {
 			//save the loaded and parsed conf file to the object
 			$this->configuration = parse_ini_file($this->file);
@@ -250,11 +250,11 @@ final class config {
 
 	/**
 	 * Get a configuration value using a key in the configuration file
-	 * @param string|null $key Match key on the left hand side of the '=' in the config file. If $key is null the default value is returned
-	 * @param string $default_value if no matching key is found, then this value will be returned
-	 * @return string returns a value in the config.conf file or an empty string
+	 * @param string $key Match key on the left hand side of the '=' in the config file. If $key is null the default value is returned
+	 * @param string|null $default_value if no matching key is found, then this value will be returned
+	 * @return string|null returns a value in the config.conf file or an empty string
 	 */
-	public function get(string $key, string $default_value = ''): string {
+	public function get(string $key, ?string $default_value = ''): ?string {
 		if (!empty($this->__get($key))) {
 			return $this->__get($key);
 		}