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2cb4ebefe2
`$this` is a pseudo-variable that cannot be used as the name of a function parameter, so renaming these helps prevent errors when implementing hook callback functions. Fixes #53457 Built from https://develop.svn.wordpress.org/trunk@51518 git-svn-id: http://core.svn.wordpress.org/trunk@51129 1a063a9b-81f0-0310-95a4-ce76da25c4cd
403 lines
11 KiB
PHP
403 lines
11 KiB
PHP
<?php
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/**
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* WordPress Customize Section classes
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*
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* @package WordPress
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* @subpackage Customize
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* @since 3.4.0
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*/
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/**
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* Customize Section class.
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*
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* A UI container for controls, managed by the WP_Customize_Manager class.
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*
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* @since 3.4.0
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*
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* @see WP_Customize_Manager
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*/
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class WP_Customize_Section {
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/**
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* Incremented with each new class instantiation, then stored in $instance_number.
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*
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* Used when sorting two instances whose priorities are equal.
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*
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* @since 4.1.0
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* @var int
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*/
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protected static $instance_count = 0;
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/**
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* Order in which this instance was created in relation to other instances.
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*
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* @since 4.1.0
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* @var int
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*/
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public $instance_number;
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/**
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* WP_Customize_Manager instance.
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*
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* @since 3.4.0
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* @var WP_Customize_Manager
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*/
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public $manager;
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/**
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* Unique identifier.
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*
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* @since 3.4.0
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* @var string
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*/
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public $id;
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/**
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* Priority of the section which informs load order of sections.
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*
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* @since 3.4.0
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* @var integer
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*/
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public $priority = 160;
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/**
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* Panel in which to show the section, making it a sub-section.
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*
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* @since 4.0.0
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* @var string
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*/
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public $panel = '';
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/**
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* Capability required for the section.
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*
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* @since 3.4.0
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* @var string
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*/
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public $capability = 'edit_theme_options';
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/**
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* Theme features required to support the section.
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*
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* @since 3.4.0
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* @var string|string[]
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*/
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public $theme_supports = '';
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/**
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* Title of the section to show in UI.
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*
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* @since 3.4.0
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* @var string
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*/
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public $title = '';
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/**
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* Description to show in the UI.
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*
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* @since 3.4.0
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* @var string
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*/
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public $description = '';
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/**
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* Customizer controls for this section.
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*
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* @since 3.4.0
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* @var array
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*/
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public $controls;
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/**
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* Type of this section.
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*
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* @since 4.1.0
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* @var string
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*/
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public $type = 'default';
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/**
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* Active callback.
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*
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* @since 4.1.0
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*
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* @see WP_Customize_Section::active()
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*
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* @var callable Callback is called with one argument, the instance of
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* WP_Customize_Section, and returns bool to indicate whether
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* the section is active (such as it relates to the URL currently
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* being previewed).
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*/
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public $active_callback = '';
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/**
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* Show the description or hide it behind the help icon.
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*
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* @since 4.7.0
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*
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* @var bool Indicates whether the Section's description should be
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* hidden behind a help icon ("?") in the Section header,
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* similar to how help icons are displayed on Panels.
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*/
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public $description_hidden = false;
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/**
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* Constructor.
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*
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* Any supplied $args override class property defaults.
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*
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* @since 3.4.0
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*
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* @param WP_Customize_Manager $manager Customizer bootstrap instance.
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* @param string $id A specific ID of the section.
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* @param array $args {
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* Optional. Array of properties for the new Section object. Default empty array.
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*
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* @type int $priority Priority of the section, defining the display order
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* of panels and sections. Default 160.
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* @type string $panel The panel this section belongs to (if any).
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* Default empty.
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* @type string $capability Capability required for the section.
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* Default 'edit_theme_options'
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* @type string|string[] $theme_supports Theme features required to support the section.
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* @type string $title Title of the section to show in UI.
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* @type string $description Description to show in the UI.
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* @type string $type Type of the section.
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* @type callable $active_callback Active callback.
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* @type bool $description_hidden Hide the description behind a help icon,
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* instead of inline above the first control.
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* Default false.
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* }
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*/
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public function __construct( $manager, $id, $args = array() ) {
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$keys = array_keys( get_object_vars( $this ) );
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foreach ( $keys as $key ) {
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if ( isset( $args[ $key ] ) ) {
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$this->$key = $args[ $key ];
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}
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}
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$this->manager = $manager;
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$this->id = $id;
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if ( empty( $this->active_callback ) ) {
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$this->active_callback = array( $this, 'active_callback' );
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}
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self::$instance_count += 1;
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$this->instance_number = self::$instance_count;
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$this->controls = array(); // Users cannot customize the $controls array.
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}
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/**
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* Check whether section is active to current Customizer preview.
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*
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* @since 4.1.0
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*
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* @return bool Whether the section is active to the current preview.
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*/
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final public function active() {
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$section = $this;
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$active = call_user_func( $this->active_callback, $this );
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/**
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* Filters response of WP_Customize_Section::active().
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*
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* @since 4.1.0
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*
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* @param bool $active Whether the Customizer section is active.
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* @param WP_Customize_Section $section WP_Customize_Section instance.
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*/
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$active = apply_filters( 'customize_section_active', $active, $section );
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return $active;
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}
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/**
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* Default callback used when invoking WP_Customize_Section::active().
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*
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* Subclasses can override this with their specific logic, or they may provide
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* an 'active_callback' argument to the constructor.
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*
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* @since 4.1.0
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*
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* @return true Always true.
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*/
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public function active_callback() {
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return true;
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}
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/**
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* Gather the parameters passed to client JavaScript via JSON.
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*
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* @since 4.1.0
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*
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* @return array The array to be exported to the client as JSON.
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*/
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public function json() {
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$array = wp_array_slice_assoc( (array) $this, array( 'id', 'description', 'priority', 'panel', 'type', 'description_hidden' ) );
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$array['title'] = html_entity_decode( $this->title, ENT_QUOTES, get_bloginfo( 'charset' ) );
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$array['content'] = $this->get_content();
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$array['active'] = $this->active();
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$array['instanceNumber'] = $this->instance_number;
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if ( $this->panel ) {
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/* translators: ▸ is the unicode right-pointing triangle. %s: Section title in the Customizer. */
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$array['customizeAction'] = sprintf( __( 'Customizing ▸ %s' ), esc_html( $this->manager->get_panel( $this->panel )->title ) );
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} else {
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$array['customizeAction'] = __( 'Customizing' );
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}
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return $array;
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}
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/**
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* Checks required user capabilities and whether the theme has the
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* feature support required by the section.
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*
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* @since 3.4.0
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*
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* @return bool False if theme doesn't support the section or user doesn't have the capability.
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*/
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final public function check_capabilities() {
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if ( $this->capability && ! current_user_can( $this->capability ) ) {
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return false;
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}
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if ( $this->theme_supports && ! current_theme_supports( ... (array) $this->theme_supports ) ) {
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return false;
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}
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return true;
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}
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/**
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* Get the section's content for insertion into the Customizer pane.
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*
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* @since 4.1.0
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*
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* @return string Contents of the section.
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*/
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final public function get_content() {
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ob_start();
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$this->maybe_render();
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return trim( ob_get_clean() );
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}
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/**
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* Check capabilities and render the section.
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*
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* @since 3.4.0
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*/
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final public function maybe_render() {
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if ( ! $this->check_capabilities() ) {
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return;
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}
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/**
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* Fires before rendering a Customizer section.
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*
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* @since 3.4.0
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*
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* @param WP_Customize_Section $section WP_Customize_Section instance.
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*/
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do_action( 'customize_render_section', $this );
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/**
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* Fires before rendering a specific Customizer section.
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*
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* The dynamic portion of the hook name, `$this->id`, refers to the ID
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* of the specific Customizer section to be rendered.
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*
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* @since 3.4.0
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*/
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do_action( "customize_render_section_{$this->id}" );
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$this->render();
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}
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/**
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* Render the section UI in a subclass.
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*
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* Sections are now rendered in JS by default, see WP_Customize_Section::print_template().
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*
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* @since 3.4.0
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*/
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protected function render() {}
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/**
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* Render the section's JS template.
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*
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* This function is only run for section types that have been registered with
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* WP_Customize_Manager::register_section_type().
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*
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* @since 4.3.0
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*
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* @see WP_Customize_Manager::render_template()
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*/
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public function print_template() {
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?>
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<script type="text/html" id="tmpl-customize-section-<?php echo $this->type; ?>">
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<?php $this->render_template(); ?>
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</script>
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<?php
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}
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/**
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* An Underscore (JS) template for rendering this section.
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*
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* Class variables for this section class are available in the `data` JS object;
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* export custom variables by overriding WP_Customize_Section::json().
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*
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* @since 4.3.0
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*
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* @see WP_Customize_Section::print_template()
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*/
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protected function render_template() {
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?>
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<li id="accordion-section-{{ data.id }}" class="accordion-section control-section control-section-{{ data.type }}">
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<h3 class="accordion-section-title" tabindex="0">
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{{ data.title }}
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<span class="screen-reader-text"><?php _e( 'Press return or enter to open this section' ); ?></span>
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</h3>
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<ul class="accordion-section-content">
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<li class="customize-section-description-container section-meta <# if ( data.description_hidden ) { #>customize-info<# } #>">
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<div class="customize-section-title">
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<button class="customize-section-back" tabindex="-1">
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<span class="screen-reader-text"><?php _e( 'Back' ); ?></span>
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</button>
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<h3>
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<span class="customize-action">
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{{{ data.customizeAction }}}
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</span>
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{{ data.title }}
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</h3>
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<# if ( data.description && data.description_hidden ) { #>
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<button type="button" class="customize-help-toggle dashicons dashicons-editor-help" aria-expanded="false"><span class="screen-reader-text"><?php _e( 'Help' ); ?></span></button>
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<div class="description customize-section-description">
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{{{ data.description }}}
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</div>
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<# } #>
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<div class="customize-control-notifications-container"></div>
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</div>
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<# if ( data.description && ! data.description_hidden ) { #>
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<div class="description customize-section-description">
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{{{ data.description }}}
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</div>
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<# } #>
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</li>
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</ul>
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</li>
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<?php
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}
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}
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/** WP_Customize_Themes_Section class */
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require_once ABSPATH . WPINC . '/customize/class-wp-customize-themes-section.php';
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/** WP_Customize_Sidebar_Section class */
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require_once ABSPATH . WPINC . '/customize/class-wp-customize-sidebar-section.php';
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/** WP_Customize_Nav_Menu_Section class */
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require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-section.php';
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