As the sun rises and the forest mist clears, and the clouds return and the caves darken, these changes of light and shadow are the morning and evening in the mountains. Wildflowers bloom with their subtle fragrance, fine trees flourish with their dense shade, the wind and frost are pure and clean, and the water recedes to reveal the rocks—these are the four seasons in the mountains. Going out in the morning and returning in the evening, the scenery of the four seasons is different, and the joy is endless.至于负者歌于途,行者休于树,前者呼,后者应,伛偻提携,往来而不绝者,滁人游也。临溪而渔,溪深而鱼肥,酿泉为酒,泉香而酒洌,山肴野蔌,杂然而前陈者,太守宴也。宴酣之乐,非丝非竹,射者中,弈者胜,觥筹交错,起坐而喧哗者,众宾欢也。苍颜白发,颓然乎其间者,太守醉也。
<?php
/**
* WPSEO plugin file.
*
* @package WPSEO\Admin\Options\Tabs
*/
/**
* Class WPSEO_Option_Tabs.
*/
class WPSEO_Option_Tabs {
/**
* Tabs base.
*
* @var string
*/
private $base;
/**
* The tabs in this group.
*
* @var array
*/
private $tabs = [];
/**
* Name of the active tab.
*
* @var string
*/
private $active_tab = '';
/**
* WPSEO_Option_Tabs constructor.
*
* @codeCoverageIgnore
*
* @param string $base Base of the tabs.
* @param string $active_tab Currently active tab.
*/
public function __construct( $base, $active_tab = '' ) {
$this->base = sanitize_title( $base );
// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- Reason: We are not processing form information.
$tab = isset( $_GET['tab'] ) && is_string( $_GET['tab'] ) ? sanitize_text_field( wp_unslash( $_GET['tab'] ) ) : '';
$this->active_tab = empty( $tab ) ? $active_tab : $tab;
}
/**
* Get the base.
*
* @return string
*/
public function get_base() {
return $this->base;
}
/**
* Add a tab.
*
* @param WPSEO_Option_Tab $tab Tab to add.
*
* @return $this
*/
public function add_tab( WPSEO_Option_Tab $tab ) {
$this->tabs[] = $tab;
return $this;
}
/**
* Get active tab.
*
* @return WPSEO_Option_Tab|null Get the active tab.
*/
public function get_active_tab() {
if ( empty( $this->active_tab ) ) {
return null;
}
$active_tabs = array_filter( $this->tabs, [ $this, 'is_active_tab' ] );
if ( ! empty( $active_tabs ) ) {
$active_tabs = array_values( $active_tabs );
if ( count( $active_tabs ) === 1 ) {
return $active_tabs[0];
}
}
return null;
}
/**
* Is the tab the active tab.
*
* @param WPSEO_Option_Tab $tab Tab to check for active tab.
*
* @return bool
*/
public function is_active_tab( WPSEO_Option_Tab $tab ) {
return ( $tab->get_name() === $this->active_tab );
}
/**
* Get all tabs.
*
* @return WPSEO_Option_Tab[]
*/
public function get_tabs() {
return $this->tabs;
}
/**
* Display the tabs.
*
* @param Yoast_Form $yform Yoast Form needed in the views.
*
* @return void
*/
public function display( Yoast_Form $yform ) {
$formatter = new WPSEO_Option_Tabs_Formatter();
$formatter->run( $this, $yform );
}
}