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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
404 lines
11 KiB
PHP
404 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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#[AllowDynamicProperties]
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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 int
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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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