FM

/home/u523506497/domains/mymelon.in/public_html/wp-includes UP

<?php
/**
 * WordPress Customize Setting classes
 *
 * @package WordPress
 * @subpackage Customize
 * @since 3.4.0
 */

// Don't load directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Customize Setting class.
 *
 * Handles saving and sanitizing of settings.
 *
 * @since 3.4.0
 *
 * @see WP_Customize_Manager
 * @link https://developer.wordpress.org/themes/customize-api
 */
#[AllowDynamicProperties]
class WP_Customize_Setting {
	/**
	 * Customizer bootstrap instance.
	 *
	 * @since 3.4.0
	 * @var WP_Customize_Manager
	 */
	public $manager;

	/**
	 * Unique string identifier for the setting.
	 *
	 * @since 3.4.0
	 * @var string
	 */
	public $id;

	/**
	 * Type of customize settings.
	 *
	 * @since 3.4.0
	 * @var string
	 */
	public $type = 'theme_mod';

	/**
	 * Capability required to edit this setting.
	 *
	 * @since 3.4.0
	 * @var string|array
	 */
	public $capability = 'edit_theme_options';

	/**
	 * Theme features required to support the setting.
	 *
	 * @since 3.4.0
	 * @var string|string[]
	 */
	public $theme_supports = '';

	/**
	 * The default value for the setting.
	 *
	 * @since 3.4.0
	 * @var string
	 */
	public $default = '';

	/**
	 * Options for rendering the live preview of changes in Customizer.
	 *
	 * Set this value to 'postMessage' to enable a custom JavaScript handler to render changes to this setting
	 * as opposed to reloading the whole page.
	 *
	 * @since 3.4.0
	 * @var string
	 */
	public $transport = 'refresh';

	/**
	 * Server-side validation callback for the setting's value.
	 *
	 * @since 4.6.0
	 * @var callable
	 */
	public $validate_callback = '';

	/**
	 * Callback to filter a Customize setting value in un-slashed form.
	 *
	 * @since 3.4.0
	 * @var callable
	 */
	public $sanitize_callback = '';

	/**
	 * Callback to convert a Customize PHP setting value to a value that is JSON serializable.
	 *
	 * @since 3.4.0
	 * @var callable
	 */
	public $sanitize_js_callback = '';

	/**
	 * Whether or not the setting is initially dirty when created.
	 *
	 * This is used to ensure that a setting will be sent from the pane to the
	 * preview when loading the Customizer. Normally a setting only is synced to
	 * the preview if it has been changed. This allows the setting to be sent
	 * from the start.
	 *
	 * @since 4.2.0
	 * @var bool
	 */
	public $dirty = false;

	/**
	 * ID Data.
	 *
	 * @since 3.4.0
	 * @var array
	 */
	protected $id_data = array();

	/**
	 * Whether or not preview() was called.
	 *
	 * @since 4.4.0
	 * @var bool
	 */
	protected $is_previewed = false;

	/**
	 * Cache of multidimensional values to improve performance.
	 *
	 * @since 4.4.0
	 * @var array
	 */
	protected static $aggregated_multidimensionals = array();

	/**
	 * Whether the multidimensional setting is aggregated.
	 *
	 * @since 4.4.0
	 * @var bool
	 */
	protected $is_multidimensional_aggregated = false;

	/**
	 * Constructor.
	 *
	 * Any supplied $args override class property defaults.
	 *
	 * @since 3.4.0
	 *
	 * @param WP_Customize_Manager $manager Customizer bootstrap instance.
	 * @param string               $id      A specific ID of the setting.
	 *                                      Can be a theme mod or option name.
	 * @param array                $args    {
	 *     Optional. Array of properties for the new Setting object. Default empty array.
	 *
	 *     @type string          $type                 Type of the setting. Default 'theme_mod'.
	 *     @type string          $capability           Capability required for the setting. Default 'edit_theme_options'
	 *     @type string|string[] $theme_supports       Theme features required to support the panel. Default is none.
	 *     @type string          $default              Default value for the setting. Default is empty string.
	 *     @type string          $transport            Options for rendering the live preview of changes in Customizer.
	 *                                                 Using 'refresh' makes the change visible by reloading the whole preview.
	 *                                                 Using 'postMessage' allows a custom JavaScript to handle live changes.
	 *                                                 Default is 'refresh'.
	 *     @type callable        $validate_callback    Server-side validation callback for the setting's value.
	 *     @type callable        $sanitize_callback    Callback to filter a Customize setting value in un-slashed form.
	 *     @type callable        $sanitize_js_callback Callback to convert a Customize PHP setting value to a value that is
	 *                                                 JSON serializable.
	 *     @type bool            $dirty                Whether or not the setting is initially dirty when created.
	 * }
	 */
	public function __construct( $manager, $id, $args = array() ) {
		$keys = array_keys( get_object_vars( $this ) );
		foreach ( $keys as $key ) {
			if ( isset( $args[ $key ] ) ) {
				$this->$key = $args[ $key ];
			}
		}

		$this->manager = $manager;
		$this->id      = $id;

		// Parse the ID for array keys.
		$this->id_data['keys'] = preg_split( '/\[/', str_replace( ']', '', $this->id ) );
		$this->id_data['base'] = array_shift( $this->id_data['keys'] );

		// Rebuild the ID.
		$this->id = $this->id_data['base'];
		if ( ! empty( $this->id_data['keys'] ) ) {
			$this->id .= '[' . implode( '][', $this->id_data['keys'] ) . ']';
		}

		if ( $this->validate_callback ) {
			add_filter( "customize_validate_{$this->id}", $this->validate_callback, 10, 3 );
		}
		if ( $this->sanitize_callback ) {
			add_filter( "customize_sanitize_{$this->id}", $this->sanitize_callback, 10, 2 );
		}
		if ( $this->sanitize_js_callback ) {
			add_filter( "customize_sanitize_js_{$this->id}", $this->sanitize_js_callback, 10, 2 );
		}

		if ( 'option' === $this->type || 'theme_mod' === $this->type ) {
			// Other setting types can opt-in to aggregate multidimensional explicitly.
			$this->aggregate_multidimensional();

			// Allow option settings to indicate whether they should be autoloaded.
			if ( 'option' === $this->type && isset( $args['autoload'] ) ) {
				self::$aggregated_multidimensionals[ $this->type ][ $this->id_data['base'] ]['autoload'] = $args['autoload'];
			}
		}
	}

	/**
	 * Get parsed ID data for multidimensional setting.
	 *
	 * @since 4.4.0
	 *
	 * @return array {
	 *     ID data for multidimensional setting.
	 *
	 *     @type string $base ID base
	 *     @type array  $keys Keys for multidimensional array.
	 * }
	 */
	final public function id_data() {
		return $this->id_data;
	}

	/**
	 * Set up the setting for aggregated multidimensional values.
	 *
	 * When a multidimensional setting gets aggregated, all of its preview and update
	 * calls get combined into one call, greatly improving performance.
	 *
	 * @since 4.4.0
	 */
	protected function aggregate_multidimensional() {
		$id_base = $this->id_data['base'];
		if ( ! isset( self::$aggregated_multidimensionals[ $this->type ] ) ) {
			self::$aggregated_multidimensionals[ $this->type ] = array();
		}
		if ( ! isset( self::$aggregated_multidimensionals[ $this->type ][ $id_base ] ) ) {
			self::$aggregated_multidimensionals[ $this->type ][ $id_base ] = array(
				'previewed_instances'       => array(), // Calling preview() will add the $setting to the array.
				'preview_applied_instances' => array(), // Flags for which settings have had their values applied.
				'root_value'                => $this->get_root_value( array() ), // Root value for initial state, manipulated by preview and update calls.
			);
		}

		if ( ! empty( $this->id_data['keys'] ) ) {
			// Note the preview-applied flag is cleared at priority 9 to ensure it is cleared before a deferred-preview runs.
			add_action( "customize_post_value_set_{$this->id}", array( $this, '_clear_aggregated_multidimensional_preview_applied_flag' ), 9 );
			$this->is_multidimensional_aggregated = true;
		}
	}

	/**
	 * Reset `$aggregated_multidimensionals` static variable.
	 *
	 * This is intended only for use by unit tests.
	 *
	 * @since 4.5.0
	 * @ignore
	 */
	public static function reset_aggregated_multidimensionals() {
		self::$aggregated_multidimensionals = array();
	}

	/**
	 * The ID for the current site when the preview() method was called.
	 *
	 * @since 4.2.0
	 * @var int
	 */
	protected $_previewed_blog_id;

	/**
	 * Return true if the current site is not the same as the previewed site.
	 *
	 * @since 4.2.0
	 *
	 * @return bool If preview() has been called.
	 */
	public function is_current_blog_previewed() {
		if ( ! isset( $this->_previewed_blog_id ) ) {
			return false;
		}
		return ( get_current_blog_id() === $this->_previewed_blog_id );
	}

	/**
	 * Original non-previewed value stored by the preview method.
	 *
	 * @see WP_Customize_Setting::preview()
	 * @since 4.1.1
	 * @var mixed
	 */
	protected $_original_value;

	/**
	 * Add filters to supply the setting's value when accessed.
	 *
	 * If the setting already has a pre-existing value and there is no incoming
	 * post value for the setting, then this method will short-circuit since
	 * there is no change to preview.
	 *
	 * @since 3.4.0
	 * @since 4.4.0 Added boolean return value.
	 *
	 * @return bool False when preview short-circuits due no change needing to be previewed.
	 */
	public function preview() {
		if ( ! isset( $this->_previewed_blog_id ) ) {
			$this->_previewed_blog_id = get_current_blog_id();
		}

		// Prevent re-previewing an already-previewed setting.
		if ( $this->is_previewed ) {
			return true;
		}

		$id_base                 = $this->id_data['base'];
		$is_multidimensional     = ! empty( $this->id_data['keys'] );
		$multidimensional_filter = array( $this, '_multidimensional_preview_filter' );

		/*
		 * Check if the setting has a pre-existing value (an isset check),
		 * and if doesn't have any incoming post value. If both checks are true,
		 * then the preview short-circuits because there is nothing that needs
		 * to be previewed.
		 */
		$undefined     = new stdClass();
		$needs_preview = ( $undefined !== $this->post_value( $undefined ) );
		$value         = null;

		// Since no post value was defined, check if we have an initial value set.
		if ( ! $needs_preview ) {
			if ( $this->is_multidimensional_aggregated ) {
				$root  = self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['root_value'];
				$value = $this->multidimensional_get( $root, $this->id_data['keys'], $undefined );
			} else {
				$default       = $this->default;
				$this->default = $undefined; // Temporarily set default to undefined so we can detect if existing value is set.
				$value         = $this->value();
				$this->default = $default;
			}
			$needs_preview = ( $undefined === $value ); // Because the default needs to be supplied.
		}

		// If the setting does not need previewing now, defer to when it has a value to preview.
		if ( ! $needs_preview ) {
			if ( ! has_action( "customize_post_value_set_{$this->id}", array( $this, 'preview' ) ) ) {
				add_action( "customize_post_value_set_{$this->id}", array( $this, 'preview' ) );
			}
			return false;
		}

		switch ( $this->type ) {
			case 'theme_mod':
				if ( ! $is_multidimensional ) {
					add_filter( "theme_mod_{$id_base}", array( $this, '_preview_filter' ) );
				} else {
					if ( empty( self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'] ) ) {
						// Only add this filter once for this ID base.
						add_filter( "theme_mod_{$id_base}", $multidimensional_filter );
					}
					self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'][ $this->id ] = $this;
				}
				break;
			case 'option':
				if ( ! $is_multidimensional ) {
					add_filter( "pre_option_{$id_base}", array( $this, '_preview_filter' ) );
				} else {
					if ( empty( self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'] ) ) {
						// Only add these filters once for this ID base.
						add_filter( "option_{$id_base}", $multidimensional_filter );
						add_filter( "default_option_{$id_base}", $multidimensional_filter );
					}
					self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'][ $this->id ] = $this;
				}
				break;
			default:
				/**
				 * Fires when the WP_Customize_Setting::preview() method is called for settings
				 * not handled as theme_mods or options.
				 *
				 * The dynamic portion of the hook name, `$this->id`, refers to the setting ID.
				 *
				 * @since 3.4.0
				 *
				 * @param WP_Customize_Setting $setting WP_Customize_Setting instance.
				 */
				do_action( "customize_preview_{$this->id}", $this );

				/**
				 * Fires when the WP_Customize_Setting::preview() method is called for settings
				 * not handled as theme_mods or options.
				 *
				 * The dynamic portion of the hook name, `$this->type`, refers to the setting type.
				 *
				 * @since 4.1.0
				 *
				 * @param WP_Customize_Setting $setting WP_Customize_Setting instance.
				 */
				do_action( "customize_preview_{$this->type}", $this );
		}

		$this->is_previewed = true;

		return true;
	}

	/**
	 * Clear out the previewed-applied flag for a multidimensional-aggregated value whenever its post value is updated.
	 *
	 * This ensures that the new value will get sanitized and used the next time
	 * that `WP_Customize_Setting::_multidimensional_preview_filter()`
	 * is called for this setting.
	 *
	 * @since 4.4.0
	 *
	 * @see WP_Customize_Manager::set_post_value()
	 * @see WP_Customize_Setting::_multidimensional_preview_filter()
	 */
	final public function _clear_aggregated_multidimensional_preview_applied_flag() {
		unset( self::$aggregated_multidimensionals[ $this->type ][ $this->id_data['base'] ]['preview_applied_instances'][ $this->id ] );
	}

	/**
	 * Callback function to filter non-multidimensional theme mods and options.
	 *
	 * If switch_to_blog() was called after the preview() method, and the current
	 * site is now not the same site, then this method does a no-op and returns
	 * the original value.
	 *
	 * @since 3.4.0
	 *
	 * @param mixed $original Old value.
	 * @return mixed New or old value.
	 */
	public function _preview_filter( $original ) {
		if ( ! $this->is_current_blog_previewed() ) {
			return $original;
		}

		$undefined  = new stdClass(); // Symbol hack.
		$post_value = $this->post_value( $undefined );
		if ( $undefined !== $post_value ) {
			$value = $post_value;
		} else {
			/*
			 * Note that we don't use $original here because preview() will
			 * not add the filter in the first place if it has an initial value
			 * and there is no post value.
			 */
			$value = $this->default;
		}
		return $value;
	}

	/**
	 * Callback function to filter multidimensional theme mods and options.
	 *
	 * For all multidimensional settings of a given type, the preview filter for
	 * the first setting previewed will be used to apply the values for the others.
	 *
	 * @since 4.4.0
	 *
	 * @see WP_Customize_Setting::$aggregated_multidimensionals
	 * @param mixed $original Original root value.
	 * @return mixed New or old value.
	 */
	final public function _multidimensional_preview_filter( $original ) {
		if ( ! $this->is_current_blog_previewed() ) {
			return $original;
		}

		$id_base = $this->id_data['base'];

		// If no settings have been previewed yet (which should not be the case, since $this is), just pass through the original value.
		if ( empty( self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'] ) ) {
			return $original;
		}

		foreach ( self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['previewed_instances'] as $previewed_setting ) {
			// Skip applying previewed value for any settings that have already been applied.
			if ( ! empty( self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['preview_applied_instances'][ $previewed_setting->id ] ) ) {
				continue;
			}

			// Do the replacements of the posted/default sub value into the root value.
			$value = $previewed_setting->post_value( $previewed_setting->default );
			$root  = self::$aggregated_multidimensionals[ $previewed_setting->type ][ $id_base ]['root_value'];
			$root  = $previewed_setting->multidimensional_replace( $root, $previewed_setting->id_data['keys'], $value );
			self::$aggregated_multidimensionals[ $previewed_setting->type ][ $id_base ]['root_value'] = $root;

			// Mark this setting having been applied so that it will be skipped when the filter is called again.
			self::$aggregated_multidimensionals[ $previewed_setting->type ][ $id_base ]['preview_applied_instances'][ $previewed_setting->id ] = true;
		}

		return self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['root_value'];
	}

	/**
	 * Checks user capabilities and theme supports, and then saves
	 * the value of the setting.
	 *
	 * @since 3.4.0
	 *
	 * @return void|false Void on success, false if cap check fails
	 *                    or value isn't set or is invalid.
	 */
	final public function save() {
		$value = $this->post_value();

		if ( ! $this->check_capabilities() || ! isset( $value ) ) {
			return false;
		}

		$id_base = $this->id_data['base'];

		/**
		 * Fires when the WP_Customize_Setting::save() method is called.
		 *
		 * The dynamic portion of the hook name, `$id_base` refers to
		 * the base slug of the setting name.
		 *
		 * @since 3.4.0
		 *
		 * @param WP_Customize_Setting $setting WP_Customize_Setting instance.
		 */
		do_action( "customize_save_{$id_base}", $this );

		$this->update( $value );
	}

	/**
	 * Fetch and sanitize the $_POST value for the setting.
	 *
	 * During a save request prior to save, post_value() provides the new value while value() does not.
	 *
	 * @since 3.4.0
	 *
	 * @param mixed $default_value A default value which is used as a fallback. Default null.
	 * @return mixed The default value on failure, otherwise the sanitized and validated value.
	 */
	final public function post_value( $default_value = null ) {
		return $this->manager->post_value( $this, $default_value );
	}

	/**
	 * Sanitize an input.
	 *
	 * @since 3.4.0
	 *
	 * @param string|array $value The value to sanitize.
	 * @return string|array|null|WP_Error Sanitized value, or `null`/`WP_Error` if invalid.
	 */
	public function sanitize( $value ) {

		/**
		 * Filters a Customize setting value in un-slashed form.
		 *
		 * @since 3.4.0
		 *
		 * @param mixed                $value   Value of the setting.
		 * @param WP_Customize_Setting $setting WP_Customize_Setting instance.
		 */
		return apply_filters( "customize_sanitize_{$this->id}", $value, $this );
	}

	/**
	 * Validates an input.
	 *
	 * @since 4.6.0
	 *
	 * @see WP_REST_Request::has_valid_params()
	 *
	 * @param mixed $value Value to validate.
	 * @return true|WP_Error True if the input was validated, otherwise WP_Error.
	 */
	public function validate( $value ) {
		if ( is_wp_error( $value ) ) {
			return $value;
		}
		if ( is_null( $value ) ) {
			return new WP_Error( 'invalid_value', __( 'Invalid value.' ) );
		}

		$validity = new WP_Error();

		/**
		 * Validates a Customize setting value.
		 *
		 * Plugins should amend the `$validity` object via its `WP_Error::add()` method.
		 *
		 * The dynamic portion of the hook name, `$this->ID`, refers to the setting ID.
		 *
		 * @since 4.6.0
		 *
		 * @param WP_Error             $validity Filtered from `true` to `WP_Error` when invalid.
		 * @param mixed                $value    Value of the setting.
		 * @param WP_Customize_Setting $setting  WP_Customize_Setting instance.
		 */
		$validity = apply_filters( "customize_validate_{$this->id}", $validity, $value, $this );

		if ( is_wp_error( $validity ) && ! $validity->has_errors() ) {
			$validity = true;
		}
		return $validity;
	}

	/**
	 * Get the root value for a setting, especially for multidimensional ones.
	 *
	 * @since 4.4.0
	 *
	 * @param mixed $default_value Value to return if root does not exist.
	 * @return mixed
	 */
	protected function get_root_value( $default_value = null ) {
		$id_base = $this->id_data['base'];
		if ( 'option' === $this->type ) {
			return get_option( $id_base, $default_value );
		} elseif ( 'theme_mod' === $this->type ) {
			return get_theme_mod( $id_base, $default_value );
		} else {
			/*
			 * Any WP_Customize_Setting subclass implementing aggregate multidimensional
			 * will need to override this method to obtain the data from the appropriate
			 * location.
			 */
			return $default_value;
		}
	}

	/**
	 * Set the root value for a setting, especially for multidimensional ones.
	 *
	 * @since 4.4.0
	 *
	 * @param mixed $value Value to set as root of multidimensional setting.
	 * @return bool Whether the multidimensional root was updated successfully.
	 */
	protected function set_root_value( $value ) {
		$id_base = $this->id_data['base'];
		if ( 'option' === $this->type ) {
			$autoload = true;
			if ( isset( self::$aggregated_multidimensionals[ $this->type ][ $this->id_data['base'] ]['autoload'] ) ) {
				$autoload = self::$aggregated_multidimensionals[ $this->type ][ $this->id_data['base'] ]['autoload'];
			}
			return update_option( $id_base, $value, $autoload );
		} elseif ( 'theme_mod' === $this->type ) {
			set_theme_mod( $id_base, $value );
			return true;
		} else {
			/*
			 * Any WP_Customize_Setting subclass implementing aggregate multidimensional
			 * will need to override this method to obtain the data from the appropriate
			 * location.
			 */
			return false;
		}
	}

	/**
	 * Save the value of the setting, using the related API.
	 *
	 * @since 3.4.0
	 *
	 * @param mixed $value The value to update.
	 * @return bool The result of saving the value.
	 */
	protected function update( $value ) {
		$id_base = $this->id_data['base'];
		if ( 'option' === $this->type || 'theme_mod' === $this->type ) {
			if ( ! $this->is_multidimensional_aggregated ) {
				return $this->set_root_value( $value );
			} else {
				$root = self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['root_value'];
				$root = $this->multidimensional_replace( $root, $this->id_data['keys'], $value );
				self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['root_value'] = $root;
				return $this->set_root_value( $root );
			}
		} else {
			/**
			 * Fires when the WP_Customize_Setting::update() method is called for settings
			 * not handled as theme_mods or options.
			 *
			 * The dynamic portion of the hook name, `$this->type`, refers to the type of setting.
			 *
			 * @since 3.4.0
			 *
			 * @param mixed                $value   Value of the setting.
			 * @param WP_Customize_Setting $setting WP_Customize_Setting instance.
			 */
			do_action( "customize_update_{$this->type}", $value, $this );

			return (bool) has_action( "customize_update_{$this->type}" );
		}
	}

	/**
	 * Deprecated method.
	 *
	 * @since 3.4.0
	 * @deprecated 4.4.0 Deprecated in favor of update() method.
	 */
	protected function _update_theme_mod() {
		_deprecated_function( __METHOD__, '4.4.0', __CLASS__ . '::update()' );
	}

	/**
	 * Deprecated method.
	 *
	 * @since 3.4.0
	 * @deprecated 4.4.0 Deprecated in favor of update() method.
	 */
	protected function _update_option() {
		_deprecated_function( __METHOD__, '4.4.0', __CLASS__ . '::update()' );
	}

	/**
	 * Fetch the value of the setting.
	 *
	 * @since 3.4.0
	 *
	 * @return mixed The value.
	 */
	public function value() {
		$id_base      = $this->id_data['base'];
		$is_core_type = ( 'option' === $this->type || 'theme_mod' === $this->type );

		if ( ! $is_core_type && ! $this->is_multidimensional_aggregated ) {

			// Use post value if previewed and a post value is present.
			if ( $this->is_previewed ) {
				$value = $this->post_value( null );
				if ( null !== $value ) {
					return $value;
				}
			}

			$value = $this->get_root_value( $this->default );

			/**
			 * Filters a Customize setting value not handled as a theme_mod or option.
			 *
			 * The dynamic portion of the hook name, `$id_base`, refers to
			 * the base slug of the setting name, initialized from `$this->id_data['base']`.
			 *
			 * For settings handled as theme_mods or options, see those corresponding
			 * functions for available hooks.
			 *
			 * @since 3.4.0
			 * @since 4.6.0 Added the `$setting` instance as the second parameter.
			 *
			 * @param mixed                $default_value The setting default value. Default empty.
			 * @param WP_Customize_Setting $setting       The setting instance.
			 */
			$value = apply_filters( "customize_value_{$id_base}", $value, $this );
		} elseif ( $this->is_multidimensional_aggregated ) {
			$root_value = self::$aggregated_multidimensionals[ $this->type ][ $id_base ]['root_value'];
			$value      = $this->multidimensional_get( $root_value, $this->id_data['keys'], $this->default );

			// Ensure that the post value is used if the setting is previewed, since preview filters aren't applying on cached $root_value.
			if ( $this->is_previewed ) {
				$value = $this->post_value( $value );
			}
		} else {
			$value = $this->get_root_value( $this->default );
		}
		return $value;
	}

	/**
	 * Sanitize the setting's value for use in JavaScript.
	 *
	 * @since 3.4.0
	 *
	 * @return mixed The requested escaped value.
	 */
	public function js_value() {

		/**
		 * Filters a Customize setting value for use in JavaScript.
		 *
		 * The dynamic portion of the hook name, `$this->id`, refers to the setting ID.
		 *
		 * @since 3.4.0
		 *
		 * @param mixed                $value   The setting value.
		 * @param WP_Customize_Setting $setting WP_Customize_Setting instance.
		 */
		$value = apply_filters( "customize_sanitize_js_{$this->id}", $this->value(), $this );

		if ( is_string( $value ) ) {
			return html_entity_decode( $value, ENT_QUOTES, 'UTF-8' );
		}

		return $value;
	}

	/**
	 * Retrieves the data to export to the client via JSON.
	 *
	 * @since 4.6.0
	 *
	 * @return array Array of parameters passed to JavaScript.
	 */
	public function json() {
		return array(
			'value'     => $this->js_value(),
			'transport' => $this->transport,
			'dirty'     => $this->dirty,
			'type'      => $this->type,
		);
	}

	/**
	 * Validate user capabilities whether the theme supports the setting.
	 *
	 * @since 3.4.0
	 *
	 * @return bool False if theme doesn't support the setting or user can't change setting, otherwise true.
	 */
	final public function check_capabilities() {
		if ( $this->capability && ! current_user_can( $this->capability ) ) {
			return false;
		}

		if ( $this->theme_supports && ! current_theme_supports( ...(array) $this->theme_supports ) ) {
			return false;
		}

		return true;
	}

	/**
	 * Multidimensional helper function.
	 *
	 * @since 3.4.0
	 *
	 * @param array $root
	 * @param array $keys
	 * @param bool  $create Default false.
	 * @return array|null Keys are 'root', 'node', and 'key'.
	 */
	final protected function multidimensional( &$root, $keys, $create = false ) {
		if ( $create && empty( $root ) ) {
			$root = array();
		}

		if ( ! isset( $root ) || empty( $keys ) ) {
			return null;
		}

		$last = array_pop( $keys );
		$node = &$root;

		foreach ( $keys as $key ) {
			if ( $create && ! isset( $node[ $key ] ) ) {
				$node[ $key ] = array();
			}

			if ( ! is_array( $node ) || ! isset( $node[ $key ] ) ) {
				return null;
			}

			$node = &$node[ $key ];
		}

		if ( $create ) {
			if ( ! is_array( $node ) ) {
				// Account for an array overriding a string or object value.
				$node = array();
			}
			if ( ! isset( $node[ $last ] ) ) {
				$node[ $last ] = array();
			}
		}

		if ( ! isset( $node[ $last ] ) ) {
			return null;
		}

		return array(
			'root' => &$root,
			'node' => &$node,
			'key'  => $last,
		);
	}

	/**
	 * Will attempt to replace a specific value in a multidimensional array.
	 *
	 * @since 3.4.0
	 *
	 * @param array $root
	 * @param array $keys
	 * @param mixed $value The value to update.
	 * @return mixed
	 */
	final protected function multidimensional_replace( $root, $keys, $value ) {
		if ( ! isset( $value ) ) {
			return $root;
		} elseif ( empty( $keys ) ) { // If there are no keys, we're replacing the root.
			return $value;
		}

		$result = $this->multidimensional( $root, $keys, true );

		if ( isset( $result ) ) {
			$result['node'][ $result['key'] ] = $value;
		}

		return $root;
	}

	/**
	 * Will attempt to fetch a specific value from a multidimensional array.
	 *
	 * @since 3.4.0
	 *
	 * @param array $root
	 * @param array $keys
	 * @param mixed $default_value A default value which is used as a fallback. Default null.
	 * @return mixed The requested value or the default value.
	 */
	final protected function multidimensional_get( $root, $keys, $default_value = null ) {
		if ( empty( $keys ) ) { // If there are no keys, test the root.
			return $root ?? $default_value;
		}

		$result = $this->multidimensional( $root, $keys );
		return isset( $result ) ? $result['node'][ $result['key'] ] : $default_value;
	}

	/**
	 * Will attempt to check if a specific value in a multidimensional array is set.
	 *
	 * @since 3.4.0
	 *
	 * @param array $root
	 * @param array $keys
	 * @return bool True if value is set, false if not.
	 */
	final protected function multidimensional_isset( $root, $keys ) {
		$result = $this->multidimensional_get( $root, $keys );
		return isset( $result );
	}
}

/**
 * WP_Customize_Filter_Setting class.
 */
require_once ABSPATH . WPINC . '/customize/class-wp-customize-filter-setting.php';

/**
 * WP_Customize_Header_Image_Setting class.
 */
require_once ABSPATH . WPINC . '/customize/class-wp-customize-header-image-setting.php';

/**
 * WP_Customize_Background_Image_Setting class.
 */
require_once ABSPATH . WPINC . '/customize/class-wp-customize-background-image-setting.php';

/**
 * WP_Customize_Nav_Menu_Item_Setting class.
 */
require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-setting.php';

/**
 * WP_Customize_Nav_Menu_Setting class.
 */
require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-setting.php';
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IXR-
PHPMailer-
Requests-
SimplePie-
Text-
abilities-api-
abilities-api.php32800V
abilities.php11797V
admin-bar.php40067V
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block-bindings-
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block-editor.php28724V
block-i18n.json316V
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wp-diff.php792V
Agile, Data-Driven Marketers Will Win 2024 (Part 2)
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Agile, Data-Driven Marketers Will Win 2024 (Part 2)

In Part 1 of Agile Marketing series,  we looked at the fundamental concepts of Agile and data-driven marketing and their ultimate significance. Now, in this part, we’ve examined advanced techniques & trends shaping Agile and data-driven marketing.

Advanced Data-Driven Insights…

In a data-driven marketing arena, gaining deeper insights from data is crucial. Advanced techniques such as predictive analytics, sentiment analysis, and advanced data visualization are taking center stage. These methods allow marketers to extract valuable information from vast datasets enabling them to make more informed decisions and create highly targeted campaigns.

Predictive Analytics

Predictive analytics uses historical data and machine learning algorithms to forecast future trends and outcomes. It enables marketers to anticipate customer behavior and preferences, optimize marketing strategies, and allocate resources more effectively.

Sentiment Analysis

Sentiment analysis also known as opinion mining determines the sentiment or emotional tone of text data. This technique is particularly valuable for understanding customer opinions and feedback on social media, product reviews, and customer support interactions.

By continuously monitoring customer reactions, sentiment analysis helps track significant shifts in consumer behaviors and attitudes about products. 

Advanced-Data Visualization

Advanced data visualization tools go beyond basic charts and graphs. They use interactive visuals such as heatmaps, network diagrams, and geographical mapping, to help marketers gain deeper insights from complex datasets. Data visualization tools enable marketers to spot patterns, trends, and correlations that might be challenging to identify through raw data alone.

Consider a global e-commerce platform that uses advanced data visualization to track user behavior on its website. They can create interactive dashboards that show how users from different regions navigate the site which products are popular in specific locations, and where users tend to drop off in the conversion funnel. This insight can inform localized marketing strategies and website optimizations.

Leveraging AI & Machine Learning

Artificial Intelligence (AI) and Machine Learning (ML) are revolutionizing data-driven marketing. These technologies enable marketers to automate tasks, personalize experiences, and make data-driven decisions at scale.

Chatbots

AI-powered conversational agents that interact with users in real-time. They can answer questions, provide product recommendations, and even assist with purchases. Research by Grand View Research estimates that the chatbot market size will reach $1.25 billion by 2025.

Recommendation Engines…

Recommendation engines, powered by ML algorithms, analyze user behavior and preferences to suggest relevant products or content. These engines are prevalent in e-commerce, streaming services, and content platforms.

Companies like Amazon and Netflix excel in this domain. Amazon’s recommendation engine drives approximately 35% of its total revenue by recommending products that users are likely to purchase based on their browsing and purchase history.

Emerging Marketing Channels

The marketing landscape continues to evolve with the emergence of new channels driven by data and technology. Let’s explore some of these channels and how they are reshaping marketing strategies.

Voice Search

Voice search is becoming increasingly popular with the proliferation of voice-activated devices like smartphones and smart speakers. Optimizing content for voice search is essential as it requires a different approach than traditional text-based search engine optimization (SEO).

Brands are adapting by creating content that answers voice queries and optimizing their websites for voice-based interactions.

Augmented Reality (AR) and Virtual Reality (VR) Marketing

AR and VR technologies offer immersive experiences for users as they showcase products, offer virtual tours, and create interactive brand experiences. The AR & VR market worldwide is projected to grow by 13.72% (2023-2027) resulting in a market volume of US$52.05bn in 2027

IKEA has adopted AR to allow customers to visualize furniture in their homes before making a purchase decision, enhancing the shopping experience.

The Role of Data in Content Creation

Data is reshaping content creation. Advanced strategies like dynamic content generation and AI-driven content recommendation engines are driving content success.

Dynamic Content Generation

Dynamic content generation involves creating content that adapts in real-time based on user interactions or preferences. It’s particularly useful in email marketing, where personalized content can significantly improve engagement and conversion rates.

Consider an e-commerce company sending personalized product recommendations in their email campaigns. Dynamic content generation can ensure that each recipient sees products tailored to their interests and past browsing behavior.

It’s no wonder that 65% of marketing executives cite dynamic content in email marketing as the most effective personalization tactic.

AI-Driven Content Recommendation Engines

Content recommendation engines use machine learning algorithms to suggest articles, videos, products, or other content based on a user’s past behavior. These engines are prevalent in content platforms like news websites and streaming services.

Amazon is one of the country’s leading e-commerce platforms, offering a vast selection of products including electronics, clothing, books & more. To provide a highly personalized shopping experience to its users, Amazon employs an advanced AI-driven recommendation engine.

User Behavior Tracking… As users interact with the Amazon India website or mobile app, the recommendation engine continuously tracks their behavior:

Product Views… It monitors which products users view, the categories they explore, and how much time they spend on each product page.

Search Queries… The engine records the search queries users enter, which may indicate their current shopping interests or needs.

Purchase History… For registered users, the engine tracks their purchase history, including the types of products they buy, brands they prefer and price ranges they typically shop within.

User Interactions… It considers user interactions such as adding items to the cart, wishlisting products, and leaving product reviews.

Machine Learning Algorithms… Amazon’s recommendation engine relies on sophisticated machine learning algorithms including collaborative filtering, natural language processing (NLP), and deep learning, to analyze this vast amount of user data.

Here’s how the AI-driven recommendation engine operates in real-time: –

Anika, a registered user, opens the Amazon app on her smartphone to shop for a new laptop.

Real-Time Tracking… The engine detects Anika’s presence on the platform and begins tracking her behavior.

Current Behavior… Anika starts by entering her search query, “laptop for graphic design.”

Immediate Suggestions… In real-time, as Anika browses through the search results and laptop listings, the AI-driven engine generates immediate suggestions:

It recommends laptops known for their performance in graphic design such as those with powerful processors and dedicated graphics cards.

It highlights laptops from brands that Anika has previously purchased or shown interest in.

It offers a range of laptops across different price points, including options for budget-conscious shoppers and premium models.

Continuous Learning… As Anika adds laptops to her cart and compares different models, the recommendation engine learns from her real-time behavior. It understands that she is seeking a laptop that balances performance and affordability.

Dynamic Recommendations… After Anika makes her purchase, the recommendation engine continues to provide a personalized experience.

It updates her profile with her most recent purchase, influencing future recommendations.

It may suggest laptop accessories such as laptop bags or external hard drives based on her recent purchase.

The outcome…

Anika is delighted with her shopping experience on Amazon. She finds the personalized laptop recommendations helpful, saving her time in selecting the right product. This level of personalization keeps Anika engaged on the platform and encourages her to return for future purchases.

So, ultimately Amazon’s AI-driven content recommendation engine enhances user engagement and satisfaction, ultimately benefiting both users like Anika and Amazon India’s business growth as an e-commerce platform.

For a comprehensive read – How Does The Algorithm Of The eCommerce Giant Work?

To Conclude

From predictive analytics to hyper-personalization and ethical data practices, the future of marketing belongs to those who harness the power of data while respecting consumer privacy.

As we move forward, the ability to adapt quickly and make data-driven decisions with precision will continue to be the hallmark of successful marketers. Stay informed, adapt, and be ready for the dynamic world of marketing in the years ahead…

 

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