enmi-conf.org: comparison wp/wp-includes/class-wp-customize-setting.php

equal deleted inserted replaced

-:346c88efed21
+:5e2f62d02dcd
 <?php
 /**
-* Customize Setting Class.
+* WordPress Customize Setting classes
 *
 * @package WordPress
 * @subpackage Customize
 * @since 3.4.0
 */
+/**
+* Customize Setting class.
+*
+* Handles saving and sanitizing of settings.
+*
+* @since 3.4.0
+*
+* @see WP_Customize_Manager
+*/
 class WP_Customize_Setting {
+	/**
+	 * @access public
+	 * @var WP_Customize_Manager
+	 */
 	public $manager;
+	/**
+	 * @access public
+	 * @var string
+	 */
 	public $id;
-	public $type            = 'theme_mod';
+	/**
-	public $capability      = 'edit_theme_options';
+	 * @access public
+	 * @var string
+	 */
+	public $type = 'theme_mod';
+	/**
+	 * Capability required to edit this setting.
+	 *
+	 * @var string
+	 */
+	public $capability = 'edit_theme_options';
+	/**
+	 * Feature a theme is required to support to enable this setting.
+	 *
+	 * @access public
+	 * @var string
+	 */
 	public $theme_supports  = '';
 	public $default         = '';
 	public $transport       = 'refresh';
+	/**
+	 * Server-side sanitization callback for the setting's value.
+	 *
+	 * @var callback
+	 */
 	public $sanitize_callback    = '';
 	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
+	 * @access public
+	 * @var bool
+	 */
+	public $dirty = false;
 	protected $id_data = array();
-	private $_post_value; // Cached, sanitized $_POST value.
 	/**
 	 * Constructor.
 	 *
+	 * Any supplied $args override class property defaults.
+	 *
 	 * @since 3.4.0
 	 *
 	 * @param WP_Customize_Manager $manager
-	 * @param string $id An specific ID of the setting. Can be a
+	 * @param string               $id      An specific ID of the setting. Can be a
-	 *                   theme mod or option name.
+	 *                                      theme mod or option name.
-	 * @param array $args Setting arguments.
+	 * @param array                $args    Setting arguments.
-	 * @return WP_Customize_Setting
+	 */
-	 */
+	public function __construct( $manager, $id, $args = array() ) {
-	function __construct( $manager, $id, $args = array() ) {
+		$keys = array_keys( get_object_vars( $this ) );
-		$keys = array_keys( get_class_vars( __CLASS__ ) );
 		foreach ( $keys as $key ) {
 			if ( isset( $args[ $key ] ) )
 				$this->$key = $args[ $key ];
 		}
 		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 );
+	}
-		return $this;
-	}
+	/**
+	 * The ID for the current blog when the preview() method was called.
+	 *
+	 * @since 4.2.0
+	 * @access protected
+	 * @var int
+	 */
+	protected $_previewed_blog_id;
+	/**
+	 * Return true if the current blog is not the same as the previewed blog.
+	 *
+	 * @since 4.2.0
+	 * @access public
+	 *
+	 * @return bool|null Returns null if preview() has not been called yet.
+	 */
+	public function is_current_blog_previewed() {
+		if ( ! isset( $this->_previewed_blog_id ) ) {
+			return null;
+		}
+		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;
 	/**
 	 * Handle previewing the setting.
 	 *
 	 * @since 3.4.0
 	 */
 	public function preview() {
+		if ( ! isset( $this->_original_value ) ) {
+			$this->_original_value = $this->value();
+		}
+		if ( ! isset( $this->_previewed_blog_id ) ) {
+			$this->_previewed_blog_id = get_current_blog_id();
+		}
 		switch( $this->type ) {
 			case 'theme_mod' :
 				add_filter( 'theme_mod_' . $this->id_data[ 'base' ], array( $this, '_preview_filter' ) );
 				break;
 			case 'option' :
 					add_filter( 'option_' . $this->id_data[ 'base' ], array( $this, '_preview_filter' ) );
 					add_filter( 'default_option_' . $this->id_data[ 'base' ], array( $this, '_preview_filter' ) );
 				}
 				break;
 			default :
-				do_action( 'customize_preview_' . $this->id );
+				/**
+				 * Fires when the {@see WP_Customize_Setting::preview()} method is called for settings
+				 * not handled as theme_mods or options.
+				 *
+				 * The dynamic portion of the hook name, `$this->id`, refers to the setting ID.
+				 *
+				 * @since 3.4.0
+				 *
+				 * @param WP_Customize_Setting $this {@see WP_Customize_Setting} instance.
+				 */
+				do_action( "customize_preview_{$this->id}", $this );
+				/**
+				 * Fires when the {@see WP_Customize_Setting::preview()} method is called for settings
+				 * not handled as theme_mods or options.
+				 *
+				 * The dynamic portion of the hook name, `$this->type`, refers to the setting type.
+				 *
+				 * @since 4.1.0
+				 *
+				 * @param WP_Customize_Setting $this {@see WP_Customize_Setting} instance.
+				 */
+				do_action( "customize_preview_{$this->type}", $this );
 		}
 	}
 	/**
 	 * Callback function to filter the theme mods and options.
+	 *
+	 * If switch_to_blog() was called after the preview() method, and the current
+	 * blog is now not the same blog, then this method does a no-op and returns
+	 * the original value.
 	 *
 	 * @since 3.4.0
 	 * @uses WP_Customize_Setting::multidimensional_replace()
 	 *
 	 * @param mixed $original Old value.
 	 * @return mixed New or old value.
 	 */
 	public function _preview_filter( $original ) {
-		return $this->multidimensional_replace( $original, $this->id_data[ 'keys' ], $this->post_value() );
+		if ( ! $this->is_current_blog_previewed() ) {
-	}
+			return $original;
+		}
-	/**
-	 * Set the value of the parameter for a specific theme.
+		$undefined = new stdClass(); // symbol hack
-	 *
+		$post_value = $this->post_value( $undefined );
-	 * @since 3.4.0
+		if ( $undefined === $post_value ) {
-	 *
+			$value = $this->_original_value;
-	 * @return bool False if cap check fails or value isn't set.
+		} else {
-	 */
+			$value = $post_value;
-	public final function save() {
+		}
+		return $this->multidimensional_replace( $original, $this->id_data['keys'], $value );
+	}
+	/**
+	 * Check user capabilities and theme supports, and then save
+	 * the value of the setting.
+	 *
+	 * @since 3.4.0
+	 *
+	 * @return false|null False if cap check fails or value isn't set.
+	 */
+	final public function save() {
 		$value = $this->post_value();
 		if ( ! $this->check_capabilities() || ! isset( $value ) )
 			return false;
-		do_action( 'customize_save_' . $this->id_data[ 'base' ] );
+		/**
+		 * Fires when the WP_Customize_Setting::save() method is called.
+		 *
+		 * The dynamic portion of the hook name, `$this->id_data['base']` refers to
+		 * the base slug of the setting name.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param WP_Customize_Setting $this {@see WP_Customize_Setting} instance.
+		 */
+		do_action( 'customize_save_' . $this->id_data[ 'base' ], $this );
 		$this->update( $value );
 	}
 	/**
-	 * Fetches, validates, and sanitizes the $_POST value.
+	 * Fetch and sanitize the $_POST value for the setting.
 	 *
 	 * @since 3.4.0
 	 *
 	 * @param mixed $default A default value which is used as a fallback. Default is null.
 	 * @return mixed The default value on failure, otherwise the sanitized value.
 	 */
-	public final function post_value( $default = null ) {
+	final public function post_value( $default = null ) {
-		if ( isset( $this->_post_value ) )
+		return $this->manager->post_value( $this, $default );
-			return $this->_post_value;
-		$result = $this->manager->post_value( $this );
-		if ( isset( $result ) )
-			return $this->_post_value = $result;
-		else
-			return $default;
 	}
 	/**
 	 * Sanitize an input.
 	 *
 	 * @param mixed $value The value to sanitize.
 	 * @return mixed Null if an input isn't valid, otherwise the sanitized value.
 	 */
 	public function sanitize( $value ) {
 		$value = wp_unslash( $value );
+		/**
+		 * Filter a Customize setting value in un-slashed form.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param mixed                $value Value of the setting.
+		 * @param WP_Customize_Setting $this  WP_Customize_Setting instance.
+		 */
 		return apply_filters( "customize_sanitize_{$this->id}", $value, $this );
 	}
 	/**
-	 * Set the value of the parameter for a specific theme.
+	 * Save the value of the setting, using the related API.
 	 *
 	 * @since 3.4.0
 	 *
 	 * @param mixed $value The value to update.
 	 * @return mixed The result of saving the value.
 	 */
 	protected function update( $value ) {
 		switch( $this->type ) {
 			case 'theme_mod' :
 				return $this->_update_theme_mod( $value );
-				break;
 			case 'option' :
 				return $this->_update_option( $value );
-				break;
 			default :
-				return do_action( 'customize_update_' . $this->type, $value );
+				/**
+				 * Fires when the {@see WP_Customize_Setting::update()} method is called for settings
+				 * not handled as theme_mods or options.
+				 *
+				 * The dynamic portion of the hook name, `$this->type`, refers to the type of setting.
+				 *
+				 * @since 3.4.0
+				 *
+				 * @param mixed                $value Value of the setting.
+				 * @param WP_Customize_Setting $this  WP_Customize_Setting instance.
+				 */
+				return do_action( 'customize_update_' . $this->type, $value, $this );
 		}
 	}
 	/**
 	 * Update the theme mod from the value of the parameter.
 		if ( isset( $mods ) )
 			return set_theme_mod( $this->id_data[ 'base' ], $mods );
 	}
 	/**
-	 * Update the theme mod from the value of the parameter.
+	 * Update the option from the value of the setting.
 	 *
 	 * @since 3.4.0
 	 *
 	 * @param mixed $value The value to update.
-	 * @return mixed The result of saving the value.
+	 * @return bool|null The result of saving the value.
 	 */
 	protected function _update_option( $value ) {
 		// Handle non-array option.
 		if ( empty( $this->id_data[ 'keys' ] ) )
 			return update_option( $this->id_data[ 'base' ], $value );
 		if ( isset( $options ) )
 			return update_option( $this->id_data[ 'base' ], $options );
 	}
 	/**
-	 * Fetch the value of the parameter for a specific theme.
+	 * Fetch the value of the setting.
 	 *
 	 * @since 3.4.0
 	 *
-	 * @return mixed The requested value.
+	 * @return mixed The value.
 	 */
 	public function value() {
+		// Get the callback that corresponds to the setting type.
 		switch( $this->type ) {
 			case 'theme_mod' :
 				$function = 'get_theme_mod';
 				break;
 			case 'option' :
 				$function = 'get_option';
 				break;
 			default :
+				/**
+				 * Filter a Customize setting value not handled as a theme_mod or option.
+				 *
+				 * The dynamic portion of the hook name, `$this->id_date['base']`, refers to
+				 * the base slug of the setting name.
+				 *
+				 * For settings handled as theme_mods or options, see those corresponding
+				 * functions for available hooks.
+				 *
+				 * @since 3.4.0
+				 *
+				 * @param mixed $default The setting default value. Default empty.
+				 */
 				return apply_filters( 'customize_value_' . $this->id_data[ 'base' ], $this->default );
 		}
 		// Handle non-array value
 		if ( empty( $this->id_data[ 'keys' ] ) )
 		$values = $function( $this->id_data[ 'base' ] );
 		return $this->multidimensional_get( $values, $this->id_data[ 'keys' ], $this->default );
 	}
 	/**
-	 * Escape the parameter's value for use in JavaScript.
+	 * Sanitize the setting's value for use in JavaScript.
 	 *
 	 * @since 3.4.0
 	 *
 	 * @return mixed The requested escaped value.
 	 */
 	public function js_value() {
+		/**
+		 * Filter a Customize setting value for use in JavaScript.
+		 *
+		 * The dynamic portion of the hook name, `$this->id`, refers to the setting ID.
+		 *
+		 * @since 3.4.0
+		 *
+		 * @param mixed                $value The setting value.
+		 * @param WP_Customize_Setting $this  {@see 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;
 	}
 	/**
-	 * Check if the theme supports the setting and check user capabilities.
+	 * 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.
 	 */
-	public final function check_capabilities() {
+	final public function check_capabilities() {
 		if ( $this->capability && ! call_user_func_array( 'current_user_can', (array) $this->capability ) )
 			return false;
 		if ( $this->theme_supports && ! call_user_func_array( 'current_theme_supports', (array) $this->theme_supports ) )
 			return false;
 				return;
 			$node = &$node[ $key ];
 		}
-		if ( $create && ! isset( $node[ $last ] ) )
+		if ( $create ) {
-			$node[ $last ] = array();
+			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;
 		return array(
 	 *
 	 * @since 3.4.0
 	 *
 	 * @param $root
 	 * @param $keys
-	 * @param $default A default value which is used as a fallback. Default is null.
+	 * @param mixed $default A default value which is used as a fallback. Default is null.
 	 * @return mixed The requested value or the default value.
 	 */
 	final protected function multidimensional_get( $root, $keys, $default = null ) {
 		if ( empty( $keys ) ) // If there are no keys, test the root.
 			return isset( $root ) ? $root : $default;
 /**
 * A setting that is used to filter a value, but will not save the results.
 *
 * Results should be properly handled using another setting or callback.
 *
-* @package WordPress
-* @subpackage Customize
 * @since 3.4.0
+*
+* @see WP_Customize_Setting
 */
 class WP_Customize_Filter_Setting extends WP_Customize_Setting {
 	/**
 	 * @since 3.4.0
 /**
 * A setting that is used to filter a value, but will not save the results.
 *
 * Results should be properly handled using another setting or callback.
 *
-* @package WordPress
-* @subpackage Customize
 * @since 3.4.0
+*
+* @see WP_Customize_Setting
 */
 final class WP_Customize_Header_Image_Setting extends WP_Customize_Setting {
 	public $id = 'header_image_data';
 	/**
 			$custom_image_header->set_header_image( $value );
 	}
 }
 /**
-* @package WordPress
+* Customizer Background Image Setting class.
-* @subpackage Customize
+*
 * @since 3.4.0
+*
+* @see WP_Customize_Setting
 */
 final class WP_Customize_Background_Image_Setting extends WP_Customize_Setting {
 	public $id = 'background_image_thumb';
 	/**
 	 * @since 3.4.0
-	 * @uses remove_theme_mod()
 	 *
 	 * @param $value
 	 */
 	public function update( $value ) {
 		remove_theme_mod( 'background_image_thumb' );

changeset 5	5e2f62d02dcd
parent 0	d970ebf37754
child 7	cf61fcea0001