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<?php
/**
* WooCommerceKlaviyo Options.
*
* Helper methods around fetching options and handling missing
* options for backwards compatibility.
*
* @package WooCommerceKlaviyo/Options
* @version 3.0.0
*/
/**
* Class WCK_Options
*
* What are we trying to solve here?
* - reduce the calls to get_option which we make several times in a single page load (is this a bad thing? the values are cached)
* - removing admin_settings_message and klaviyo_popup options from the options management but we still want to allow existing
* integrations to use them and future customers who expect them to be able to change them using a filter
* - we have duplicate properties saved in the options array e.g. klaviyo_public_api_key and public_api_key
*/
class WCK_Options {
/**
* Plugin settings that are no longer available to set. Values are the new default values to return.
*
* @var string[]
*/
const DEPRECATED_SETTINGS = array(
'admin_settings_message' => true,
'klaviyo_popup' => true,
);
/**
* WordPress option key for plugin settings.
*
* @var string
*/
const KLAVIYO_SETTINGS = 'klaviyo_settings';
/**
* Klaviyo plugin options array.
*
* @var bool|mixed|void $_options
*/
private $_options;
/**
* Constructor
*/
public function __construct() {
$this->_options = get_option( self::KLAVIYO_SETTINGS );
// Add hooks when settings are updated to ensure instance variable is up to date if no page refresh.
add_action( 'update_option_' . self::KLAVIYO_SETTINGS, array( $this, 'refresh_klaviyo_settings' ), 15, 2 );
add_action( 'add_option_' . self::KLAVIYO_SETTINGS, array( $this, 'refresh_klaviyo_settings' ), 15, 2 );
}
/**
* Gets the specific setting value from the klaviyo_settings option. Allows for deprecation of settings by first
* checking if the setting exists in the db, if not will check if the setting is deprecated and will expose a filter
* so customers can still adjust this value if absolutely necessary.
*
* @param string $option Name of sub-setting which is a key on the klaviyo_settings array.
* @param mixed|string|void $default Default value to return if option value isn't present.
* @return mixed|string|void
*/
public function get_klaviyo_option( $option, $default = '' ) {
$option_value = $default;
if ( isset( $this->_options[ $option ] ) ) {
$option_value = $this->_options[ $option ];
} elseif ( array_key_exists( $option, self::DEPRECATED_SETTINGS ) ) {
/**
* Allows for "setting" Klaviyo option if deprecated.
*
* @since 3.0.0
*/
$option_value = apply_filters( 'wck_option_' . $option, self::DEPRECATED_SETTINGS[ $option ] );
}
return htmlspecialchars( $option_value, $flags = ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML401 );
}
/**
* Refresh the instance variable when the 'klaviyo_settings' WordPress option is updated. This is hooked into the
* `update_option_klaviyo_settings` hook which is dynamically called in WordPress' update_option function.
*
* @param array $old_value Unused - this is passed along in the hook.
* @param array $new_value The new value to save to the instance variable.
*/
public function refresh_klaviyo_settings( $old_value, $new_value ) {
$this->_options = $new_value;
}
/**
* Gets all the settings values from the klaviyo_settings option. If not set returns an empty array.
*
* @return array
*/
public function get_all_options() {
return $this->_options ? $this->_options : array();
}
}
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