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Editing File: /home/maglabs/multicerame/wp-content/plugins/code-snippets/php/settings/settings.php

<?php
/**
 * This file registers the settings
 *
 * @package    Code_Snippets
 * @subpackage Settings
 */

namespace Code_Snippets\Settings;

use Code_Snippets\Welcome_API;
use function Code_Snippets\clean_snippets_cache;
use function Code_Snippets\code_snippets;

const CACHE_KEY = 'code_snippets_settings';
const OPTION_GROUP = 'code-snippets';
const OPTION_NAME = 'code_snippets_settings';

/**
 * Add a new option for either the current site or the current network
 *
 * @param bool   $network Whether to add a network-wide option.
 * @param string $option  Name of option to add. Expected to not be SQL-escaped.
 * @param mixed  $value   Option value, can be anything. Expected to not be SQL-escaped.
 *
 * @return bool False if the option was not added. True if the option was added.
 */
function add_self_option( bool $network, string $option, $value ): bool {
	return $network ? add_site_option( $option, $value ) : add_option( $option, $value );
}

/**
 * Retrieves an option value based on an option name from either the current site or the current network
 *
 * @param bool   $network       Whether to get a network-wide option.
 * @param string $option        Name of option to retrieve. Expected to not be SQL-escaped.
 * @param mixed  $default_value Optional value to return if option doesn't exist. Default false.
 *
 * @return mixed Value set for the option.
 */
function get_self_option( bool $network, string $option, $default_value = false ) {
	return $network ? get_site_option( $option, $default_value ) : get_option( $option, $default_value );
}

/**
 * Update the value of an option that was already added on the current site or the current network
 *
 * @param bool   $network Whether to update a network-wide option.
 * @param string $option  Name of option. Expected to not be SQL-escaped.
 * @param mixed  $value   Option value. Expected to not be SQL-escaped.
 *
 * @return bool False if value was not updated. True if value was updated.
 */
function update_self_option( bool $network, string $option, $value ): bool {
	return $network ? update_site_option( $option, $value ) : update_option( $option, $value );
}

/**
 * Returns 'true' if plugin settings are unified on a multisite installation
 * under the Network Admin settings menu
 *
 * This option is controlled by the "Enable administration menus" setting on the Network Settings menu
 *
 * @return bool
 */
function are_settings_unified(): bool {
	if ( ! is_multisite() ) {
		return false;
	}

$menu_perms = get_site_option( 'menu_items', array() );
	return empty( $menu_perms['snippets_settings'] );
}

/**
 * Retrieve the setting values from the database.
 * If a setting does not exist in the database, the default value will be returned.
 *
 * @return array<string, array<string, mixed>>
 */
function get_settings_values(): array {
	$settings = wp_cache_get( CACHE_KEY );
	if ( $settings ) {
		return $settings;
	}

$settings = get_default_settings();
	$saved = get_self_option( are_settings_unified(), OPTION_NAME, array() );

foreach ( $settings as $section => $fields ) {
		if ( isset( $saved[ $section ] ) ) {
			$settings[ $section ] = array_replace( $fields, $saved[ $section ] );
		}
	}

wp_cache_set( CACHE_KEY, $settings );
	return $settings;
}

/**
 * Retrieve an individual setting field value
 *
 * @param string $section ID of the section the setting belongs to.
 * @param string $field   ID of the setting field.
 *
 * @return mixed
 */
function get_setting( string $section, string $field ) {
	$settings = get_settings_values();

return $settings[ $section ][ $field ] ?? null;
}

/**
 * Update a single setting to a new value.
 *
 * @param string $section   ID of the section the setting belongs to.
 * @param string $field     ID of the setting field.
 * @param mixed  $new_value Setting value. Expected to not be SQL-escaped.
 *
 * @return bool False if value was not updated. True if value was updated.
 */
function update_setting( string $section, string $field, $new_value ): bool {
	$settings = get_settings_values();

$settings[ $section ][ $field ] = $new_value;

wp_cache_set( CACHE_KEY, $settings );
	return update_self_option( are_settings_unified(), OPTION_NAME, $settings );
}

/**
 * Retrieve the settings sections
 *
 * @return array<string, string> Settings sections.
 */
function get_settings_sections(): array {
	$sections = array(
		'general' => __( 'General', 'code-snippets' ),
		'editor'  => __( 'Code Editor', 'code-snippets' ),
		'debug'   => __( 'Debug', 'code-snippets' ),
	);

return apply_filters( 'code_snippets_settings_sections', $sections );
}

/**
 * Register settings sections, fields, etc
 */
function register_plugin_settings() {
	if ( are_settings_unified() ) {
		if ( ! get_site_option( OPTION_NAME ) ) {
			add_site_option( OPTION_NAME, get_default_settings() );
		}
	} elseif ( ! get_option( OPTION_NAME ) ) {
		add_option( OPTION_NAME, get_default_settings() );
	}

// Register the setting.
	register_setting(
		OPTION_GROUP,
		OPTION_NAME,
		[ 'sanitize_callback' => __NAMESPACE__ . '\\sanitize_settings' ]
	);

// Register settings sections.
	foreach ( get_settings_sections() as $section_id => $section_name ) {
		add_settings_section( $section_id, $section_name, '__return_empty_string', 'code-snippets' );
	}

// Register settings fields.
	foreach ( get_settings_fields() as $section_id => $fields ) {
		foreach ( $fields as $field_id => $field ) {
			$field_object = new Setting_Field( $section_id, $field_id, $field );
			add_settings_field( $field_id, $field['name'], [ $field_object, 'render' ], 'code-snippets', $section_id );
		}
	}

// Add editor preview as a field.
	add_settings_field(
		'editor_preview',
		__( 'Editor Preview', 'code-snippets' ),
		__NAMESPACE__ . '\\render_editor_preview',
		'code-snippets',
		'editor'
	);
}

add_action( 'admin_init', __NAMESPACE__ . '\\register_plugin_settings' );

/**
 * Sanitize a single setting value.
 *
 * @param array<string, mixed> $field       Setting field information.
 * @param mixed                $input_value User input setting value, or null if missing.
 *
 * @return mixed Sanitized setting value, or null if unset.
 */
function sanitize_setting_value( array $field, $input_value ) {
	switch ( $field['type'] ) {

case 'checkbox':
			return 'on' === $input_value;

case 'number':
			return intval( $input_value );

case 'select':
			$select_options = array_map( 'strval', array_keys( $field['options'] ) );
			return in_array( strval( $input_value ), $select_options, true ) ? $input_value : null;

case 'checkboxes':
			$results = [];

if ( ! empty( $input_value ) ) {
				foreach ( $field['options'] as $option_id => $option_label ) {
					if ( isset( $input_value[ $option_id ] ) && 'on' === $input_value[ $option_id ] ) {
						$results[] = $option_id;
					}
				}
			}

return $results;

case 'text':
		case 'hidden':
			return trim( sanitize_text_field( $input_value ) );

case 'callback':
			return isset( $field['sanitize_callback'] ) && is_callable( $field['sanitize_callback'] ) ?
				call_user_func( $field['sanitize_callback'], $input_value ) :
				null;

default:
			return null;
	}
}

/**
 * Process settings actions.
 *
 * @param array $input Provided settings input.
 *
 * @return array|null New $input value to return, or null to continue with settings update process.
 */
function process_settings_actions( array $input ): ?array {

if ( isset( $input['reset_settings'] ) ) {
		add_settings_error(
			OPTION_NAME,
			'settings_reset',
			__( 'All settings have been reset to their defaults.', 'code-snippets' ),
			'updated'
		);

delete_option( 'code_snippets_cloud_settings' );
		return [];
	}

if ( isset( $input['debug']['database_update'] ) ) {
		code_snippets()->db->create_or_upgrade_tables();

add_settings_error(
			OPTION_NAME,
			'database_update_done',
			__( 'Successfully performed database table upgrade.', 'code-snippets' ),
			'updated'
		);
	}

if ( isset( $input['debug']['reset_caches'] ) ) {
		Welcome_API::clear_cache();
		clean_snippets_cache( code_snippets()->db->get_table_name( false ) );

if ( is_multisite() ) {
			clean_snippets_cache( code_snippets()->db->get_table_name( true ) );
		}

add_settings_error(
			OPTION_NAME,
			'snippet_caches_reset',
			__( 'Successfully reset snippets caches.', 'code-snippets' ),
			'updated'
		);
	}

return null;
}

/**
 * Validate the settings
 *
 * @param array<string, array<string, mixed>> $input The received settings.
 *
 * @return array<string, array<string, mixed>> The validated settings.
 */
function sanitize_settings( array $input ): array {
	wp_cache_delete( CACHE_KEY );
	$result = process_settings_actions( $input );

if ( ! is_null( $result ) ) {
		return $result;
	}

$settings = get_settings_values();
	$updated = false;

// Don't directly loop through $input as it does not include as deselected checkboxes.
	foreach ( get_settings_fields() as $section_id => $fields ) {
		foreach ( $fields as $field_id => $field ) {

// Fetch the corresponding input value from the posted data.
			$input_value = $input[ $section_id ][ $field_id ] ?? null;

// Attempt to sanitize the setting value.
			$sanitized_value = sanitize_setting_value( $field, $input_value );

if ( ! is_null( $sanitized_value ) && $settings[ $section_id ][ $field_id ] !== $sanitized_value ) {
				$settings[ $section_id ][ $field_id ] = $sanitized_value;
				$updated = true;
			}
		}
	}

// Add an updated message.
	if ( $updated ) {
		add_settings_error(
			OPTION_NAME,
			'settings-saved',
			__( 'Settings saved.', 'code-snippets' ),
			'updated'
		);
	}

return $settings;
}

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