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Dynamic (non-explicitly declared) properties are deprecated as of PHP 8.2 and are expected to become a fatal error in PHP 9.0. There are a number of ways to mitigate this: * If it is an accidental typo for a declared property: fix the typo. * For known properties: declare them on the class. * For unknown properties: add the magic `__get()`, `__set()`, et al. methods to the class or let the class extend `stdClass` which has highly optimized versions of these magic methods built in. * For unknown ''use'' of dynamic properties, the `#[AllowDynamicProperties]` attribute can be added to the class. The attribute will automatically be inherited by child classes. Trac ticket #56034 is open to investigate and handle the third and fourth type of situations, however it has become clear this will need more time and will not be ready in time for WP 6.1. To reduce “noise” in the meantime, both in the error logs of WP users moving onto PHP 8.2, in the test run logs of WP itself, in test runs of plugins and themes, as well as to prevent duplicate tickets from being opened for the same issue, this commit adds the `#[AllowDynamicProperties]` attribute to all “parent” classes in WP. The logic used for this commit is as follows: * If a class already has the attribute: no action needed. * If a class does not `extend`: add the attribute. * If a class does `extend`: - If it extends `stdClass`: no action needed (as `stdClass` supports dynamic properties). - If it extends a PHP native class: add the attribute. - If it extends a class from one of WP's external dependencies: add the attribute. * In all other cases: no action — the attribute should not be needed as child classes inherit from the parent. Whether or not a class contains magic methods has not been taken into account, as a review of the currently existing magic methods has shown that those are generally not sturdy enough and often even set dynamic properties (which they should not). See the [https://www.youtube.com/watch?v=vDZWepDQQVE live stream from August 16, 2022] for more details. This commit only affects classes in the `src` directory of WordPress core. * Tests should not get this attribute, but should be fixed to not use dynamic properties instead. Patches for this are already being committed under ticket #56033. * While a number bundled themes (2014, 2019, 2020, 2021) contain classes, they are not a part of this commit and may be updated separately. Reference: [https://wiki.php.net/rfc/deprecate_dynamic_properties PHP RFC: Deprecate dynamic properties]. Follow-up to [53922]. Props jrf, hellofromTonya, markjaquith, peterwilsoncc, costdev, knutsp, aristath. See #56513, #56034. Built from https://develop.svn.wordpress.org/trunk@54133 git-svn-id: http://core.svn.wordpress.org/trunk@53692 1a063a9b-81f0-0310-95a4-ce76da25c4cd
397 lines
10 KiB
PHP
397 lines
10 KiB
PHP
<?php
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/**
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* WordPress Customize Panel classes
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*
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* @package WordPress
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* @subpackage Customize
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* @since 4.0.0
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*/
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/**
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* Customize Panel class.
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*
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* A UI container for sections, managed by the WP_Customize_Manager.
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*
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* @since 4.0.0
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*
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* @see WP_Customize_Manager
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*/
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#[AllowDynamicProperties]
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class WP_Customize_Panel {
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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 4.0.0
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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 4.0.0
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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 panel, defining the display order of panels and sections.
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*
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* @since 4.0.0
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* @var int
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*/
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public $priority = 160;
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/**
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* Capability required for the panel.
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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 $capability = 'edit_theme_options';
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/**
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* Theme features required to support the panel.
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*
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* @since 4.0.0
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* @var mixed[]
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*/
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public $theme_supports = '';
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/**
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* Title of the panel to show in UI.
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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 $title = '';
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/**
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* Description to show in the UI.
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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 $description = '';
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/**
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* Auto-expand a section in a panel when the panel is expanded when the panel only has the one section.
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*
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* @since 4.7.4
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* @var bool
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*/
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public $auto_expand_sole_section = false;
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/**
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* Customizer sections for this panel.
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*
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* @since 4.0.0
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* @var array
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*/
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public $sections;
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/**
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* Type of this panel.
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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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* 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 4.0.0
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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 for the panel.
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* @param array $args {
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* Optional. Array of properties for the new Panel object. Default empty array.
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*
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* @type int $priority Priority of the panel, defining the display order
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* of panels and sections. Default 160.
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* @type string $capability Capability required for the panel.
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* Default `edit_theme_options`.
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* @type mixed[] $theme_supports Theme features required to support the panel.
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* @type string $title Title of the panel 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 panel.
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* @type callable $active_callback Active callback.
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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->sections = array(); // Users cannot customize the $sections array.
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}
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/**
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* Check whether panel is active to current Customizer preview.
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*
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* @since 4.1.0
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*
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* @return bool Whether the panel is active to the current preview.
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*/
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final public function active() {
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$panel = $this;
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$active = call_user_func( $this->active_callback, $this );
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/**
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* Filters response of WP_Customize_Panel::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 panel is active.
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* @param WP_Customize_Panel $panel WP_Customize_Panel instance.
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*/
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$active = apply_filters( 'customize_panel_active', $active, $panel );
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return $active;
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}
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/**
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* Default callback used when invoking WP_Customize_Panel::active().
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*
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* Subclasses can override this with their specific logic, or they may
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* provide an 'active_callback' argument to the constructor.
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*
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* @since 4.1.0
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*
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* @return bool Always true.
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*/
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public function active_callback() {
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return true;
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}
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/**
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* Gather the parameters passed to client JavaScript via JSON.
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*
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* @since 4.1.0
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*
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* @return array The array to be exported to the client as JSON.
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*/
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public function json() {
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$array = wp_array_slice_assoc( (array) $this, array( 'id', 'description', 'priority', 'type' ) );
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$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'] = $this->instance_number;
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$array['autoExpandSoleSection'] = $this->auto_expand_sole_section;
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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 panel.
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*
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* @since 4.0.0
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* @since 5.9.0 Method was marked non-final.
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*
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* @return bool False if theme doesn't support the panel or the user doesn't have the capability.
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*/
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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) $this->theme_supports ) ) {
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return false;
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}
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return true;
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}
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/**
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* Get the panel's content template for insertion into the Customizer pane.
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*
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* @since 4.1.0
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*
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* @return string Content for the panel.
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*/
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final public function get_content() {
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ob_start();
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$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 panel.
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*
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* @since 4.0.0
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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 panel.
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*
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* @since 4.0.0
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*
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* @param WP_Customize_Panel $panel WP_Customize_Panel instance.
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*/
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do_action( 'customize_render_panel', $this );
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/**
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* Fires before rendering a specific Customizer panel.
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*
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* The dynamic portion of the hook name, `$this->id`, refers to
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* the ID of the specific Customizer panel to be rendered.
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*
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* @since 4.0.0
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*/
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do_action( "customize_render_panel_{$this->id}" );
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$this->render();
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}
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/**
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* Render the panel container, and then its contents (via `this->render_content()`) in a subclass.
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*
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* Panel containers are now rendered in JS by default, see WP_Customize_Panel::print_template().
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*
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* @since 4.0.0
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*/
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protected function render() {}
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/**
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* Render the panel UI in a subclass.
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*
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* Panel contents are now rendered in JS by default, see WP_Customize_Panel::print_template().
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*
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* @since 4.1.0
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*/
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protected function render_content() {}
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/**
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* Render the panel's JS templates.
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*
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* This function is only run for panel types that have been registered with
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* WP_Customize_Manager::register_panel_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::register_panel_type()
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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-panel-<?php echo esc_attr( $this->type ); ?>-content">
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<?php $this->content_template(); ?>
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</script>
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<script type="text/html" id="tmpl-customize-panel-<?php echo esc_attr( $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 panel's container.
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*
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* Class variables for this panel class are available in the `data` JS object;
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* export custom variables by overriding WP_Customize_Panel::json().
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*
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* @see WP_Customize_Panel::print_template()
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*
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* @since 4.3.0
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*/
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protected function render_template() {
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?>
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<li id="accordion-panel-{{ data.id }}" class="accordion-section control-section control-panel control-panel-{{ 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 panel' ); ?></span>
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</h3>
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<ul class="accordion-sub-container control-panel-content"></ul>
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</li>
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<?php
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}
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/**
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* An Underscore (JS) template for this panel's content (but not its container).
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*
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* Class variables for this panel class are available in the `data` JS object;
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* export custom variables by overriding WP_Customize_Panel::json().
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*
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* @see WP_Customize_Panel::print_template()
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*
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* @since 4.3.0
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*/
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protected function content_template() {
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?>
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<li class="panel-meta customize-info accordion-section <# if ( ! data.description ) { #> cannot-expand<# } #>">
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<button class="customize-panel-back" tabindex="-1"><span class="screen-reader-text"><?php _e( 'Back' ); ?></span></button>
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<div class="accordion-section-title">
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<span class="preview-notice">
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<?php
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/* translators: %s: The site/panel title in the Customizer. */
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printf( __( 'You are customizing %s' ), '<strong class="panel-title">{{ data.title }}</strong>' );
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?>
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</span>
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<# if ( data.description ) { #>
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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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<# } #>
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</div>
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<# if ( data.description ) { #>
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<div class="description customize-panel-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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</li>
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<?php
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}
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}
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/** WP_Customize_Nav_Menus_Panel class */
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require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menus-panel.php';
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