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<?php

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/**

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* WPSEO plugin file.

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* @package WPSEO\Admin

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/**

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* Generates and displays a metabox tab that consists of collapsible sections.

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class WPSEO_Metabox_Collapsibles_Sections extends WPSEO_Abstract_Metabox_Tab_With_Sections {

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/**

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* Holds the tab's collapsibles.

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* @var WPSEO_Metabox_Collapsible[]

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private $collapsibles = [];

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/**

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* Constructor.

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* @param string $name The name of the section, used as an identifier in the html.

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* Can only contain URL safe characters.

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* @param string $link_content The text content of the section link.

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* @param array $collapsibles The metabox collapsibles (`WPSEO_Metabox_Collapsible[]`) to be included in the section.

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* @param array $options Optional link attributes.

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public function __construct( $name, $link_content, array $collapsibles = [], array $options = [] ) {

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parent::__construct( $name, $link_content, $options );

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$this->collapsibles = $collapsibles;

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}

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/**

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* Outputs the section content if any tab has been added.

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* @return void

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public function display_content() {

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if ( $this->has_sections() ) {

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printf( '<div id="%1$s" class="wpseo-meta-section">', esc_attr( 'wpseo-meta-section-' . $this->name ) );

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echo '<div class="wpseo_content_wrapper">';

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add_filter( 'wp_kses_allowed_html', [ 'WPSEO_Utils', 'extend_kses_post_with_forms' ] );

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add_filter( 'wp_kses_allowed_html', [ 'WPSEO_Utils', 'extend_kses_post_with_a11y' ] );

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foreach ( $this->collapsibles as $collapsible ) {

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echo wp_kses_post( $collapsible->content() );

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}

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remove_filter( 'wp_kses_allowed_html', [ 'WPSEO_Utils', 'extend_kses_post_with_forms' ] );

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remove_filter( 'wp_kses_allowed_html', [ 'WPSEO_Utils', 'extend_kses_post_with_a11y' ] );

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echo '</div></div>';

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}

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}

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/**

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* Checks whether the tab has any sections.

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* @return bool Whether the tab has any sections

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protected function has_sections() {

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return ! empty( $this->collapsibles );

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}

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}

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