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编辑当前文件:/home/dcqnetm/intuns/wp-content/plugins/polylang/settings/settings-url.php

<?php
/**
 * @package Polylang
 */

/**
 * A class to manage URL modifications settings
 *
 * @since 1.8
 */
class PLL_Settings_Url extends PLL_Settings_Module {
	/**
	 * Stores the display order priority.
	 *
	 * @var int
	 */
	public $priority = 10;

/**
	 * The page id of the static front page.
	 *
	 * @var int|null
	 */
	protected $page_on_front;

/**
	 * Constructor.
	 *
	 * @since 1.8
	 *
	 * @param object $polylang The Polylang object.
	 */
	public function __construct( &$polylang ) {
		parent::__construct(
			$polylang,
			array(
				'module'      => 'url',
				'title'       => __( 'URL modifications', 'polylang' ),
				'description' => __( 'Decide how your URLs will look like.', 'polylang' ),
			)
		);

$this->page_on_front = &$polylang->static_pages->page_on_front;
	}

/**
	 * Displays the fieldset to choose how the language is set
	 *
	 * @since 1.8
	 *
	 * @return void
	 */
	protected function force_lang() {
		?>
		<p class="description"><?php esc_html_e( 'Some themes or plugins may not be fully compatible with the language defined by the content or by domains.', 'polylang' ); ?></p>
		<label>
			<?php
			printf(
				'<input name="force_lang" type="radio" value="0" %s /> %s',
				checked( $this->options['force_lang'], 0, false ),
				esc_html__( 'The language is set from content', 'polylang' )
			);
			?>
		</label>
		<p class="description"><?php esc_html_e( 'Posts, pages, categories and tags URLs will not be modified.', 'polylang' ); ?></p>
		<label>
			<?php
			printf(
				'<input name="force_lang" type="radio" value="1" %s/> %s',
				checked( $this->options['force_lang'], 1, false ),
				( $this->links_model->using_permalinks ? esc_html__( 'The language is set from the directory name in pretty permalinks', 'polylang' ) : esc_html__( 'The language is set from the code in the URL', 'polylang' ) )
			);
			?>
		</label>
		<p class="description"><?php echo esc_html__( 'Example:', 'polylang' ) . ' <code>' . esc_html( home_url( $this->links_model->using_permalinks ? 'en/my-post/' : '?lang=en&p=1' ) ) . '</code>'; ?></p>
		<label>
			<?php
			printf(
				'<input name="force_lang" type="radio" value="2" %s %s/> %s',
				disabled( $this->links_model->using_permalinks, false, false ),
				checked( $this->options['force_lang'], 2, false ),
				esc_html__( 'The language is set from the subdomain name in pretty permalinks', 'polylang' )
			);
			?>
		</label>
		<p class="description"><?php echo esc_html__( 'Example:', 'polylang' ) . ' <code>' . esc_html( str_replace( array( '://', 'www.' ), array( '://en.', '' ), home_url( 'my-post/' ) ) ) . '</code>'; ?></p>
		<label>
			<?php
			printf(
				'<input name="force_lang" type="radio" value="3" %s %s/> %s',
				disabled( $this->links_model->using_permalinks, false, false ),
				checked( $this->options['force_lang'], 3, false ),
				esc_html__( 'The language is set from different domains', 'polylang' )
			);
			?>
		</label>
		<table id="pll-domains-table" class="form-table" <?php echo 3 == $this->options['force_lang'] ? '' : 'style="display: none;"'; ?>>
			<?php
			foreach ( $this->model->get_languages_list() as  $lg ) {
				$url = isset( $this->options['domains'][ $lg->slug ] ) ? $this->options['domains'][ $lg->slug ] : ( $lg->is_default ? $this->links_model->home : '' );
				printf(
					'<tr><td><label for="pll-domain[%1$s]">%2$s</label></td>' .
					'<td><input name="domains[%1$s]" id="pll-domain[%1$s]" type="text" value="%3$s" class="regular-text code" aria-required="true" /></td></tr>',
					esc_attr( $lg->slug ),
					esc_attr( $lg->name ),
					esc_url( $url )
				);
			}
			?>
		</table>
		<?php
	}

/**
	 * Displays the fieldset to choose to hide the default language information in url
	 *
	 * @since 1.8
	 *
	 * @return void
	 */
	protected function hide_default() {
		?>
		<label>
			<?php
			printf(
				'<input name="hide_default" type="checkbox" value="1" %s /> %s',
				checked( $this->options['hide_default'], 1, false ),
				esc_html__( 'Hide URL language information for default language', 'polylang' )
			);
			?>
		</label>
		<?php
	}

/**
	 * Displays the fieldset to choose to hide /language/ in url
	 *
	 * @since 1.8
	 *
	 * @return void
	 */
	protected function rewrite() {
		?>
		<label>
			<?php
			printf(
				'<input name="rewrite" type="radio" value="1" %s %s/> %s',
				disabled( $this->links_model->using_permalinks, false, false ),
				checked( $this->options['rewrite'], 1, false ),
				esc_html__( 'Remove /language/ in pretty permalinks', 'polylang' )
			);
			?>
		</label>
		<p class="description"><?php echo esc_html__( 'Example:', 'polylang' ) . ' <code>' . esc_html( home_url( 'en/' ) ) . '</code>'; ?></p>
		<label>
			<?php
			printf(
				'<input name="rewrite" type="radio" value="0" %s %s/> %s',
				disabled( $this->links_model->using_permalinks, false, false ),
				checked( $this->options['rewrite'], 0, false ),
				esc_html__( 'Keep /language/ in pretty permalinks', 'polylang' )
			);
			?>
		</label>
		<p class="description"><?php echo esc_html__( 'Example:', 'polylang' ) . ' <code>' . esc_html( home_url( 'language/en/' ) ) . '</code>'; ?></p>
		<?php
	}

/**
	 * Displays the fieldset to choose to redirect the home page to language page
	 *
	 * @since 1.8
	 *
	 * @return void
	 */
	protected function redirect_lang() {
		?>
		<label>
			<?php
			printf(
				'<input name="redirect_lang" type="checkbox" value="1" %s/> %s',
				checked( $this->options['redirect_lang'], 1, false ),
				esc_html__( 'The front page URL contains the language code instead of the page name or page id', 'polylang' )
			);
			?>
		</label>
		<p class="description">
			<?php
			// That's nice to display the right home urls but don't forget that the page on front may have no language yet
			$lang = $this->model->post->get_language( $this->page_on_front );
			/** @var PLL_Language $lang */
			$lang = $lang ? $lang : $this->model->get_default_language();
			printf(
				/* translators: %1$s example url when the option is active. %2$s example url when the option is not active */
				esc_html__( 'Example: %1$s instead of %2$s', 'polylang' ),
				'<code>' . esc_html( $this->links_model->home_url( $lang ) ) . '</code>',
				'<code>' . esc_html( _get_page_link( $this->page_on_front ) ) . '</code>'
			);
			?>
		</p>
		<?php
	}

/**
	 * Displays the settings
	 *
	 * @since 1.8
	 *
	 * @return void
	 */
	public function form() {
		?>
		<div class="pll-settings-url-col">
			<fieldset class="pll-col-left pll-url" id="pll-force-lang">
				<?php $this->force_lang(); ?>
			</fieldset>
		</div>

<div class="pll-settings-url-col">
			<fieldset class="pll-col-right pll-url" id="pll-hide-default" <?php echo 3 > $this->options['force_lang'] ? '' : 'style="display: none;"'; ?>>
			<?php $this->hide_default(); ?>
			</fieldset>
			<?php
			if ( $this->links_model->using_permalinks ) {
				?>
				<fieldset class="pll-col-right pll-url" id="pll-rewrite" <?php echo 2 > $this->options['force_lang'] ? '' : 'style="display: none;"'; ?>>
				<?php $this->rewrite(); ?>
				</fieldset>
				<?php
			}

if ( $this->page_on_front ) {
				?>
				<fieldset class="pll-col-right pll-url" id="pll-redirect-lang" <?php echo 2 > $this->options['force_lang'] ? '' : 'style="display: none;"'; ?>>
				<?php $this->redirect_lang(); ?>
				</fieldset>
				<?php
			}
			?>
		</div>
		<?php
	}

/**
	 * Sanitizes the settings before saving.
	 *
	 * @since 1.8
	 *
	 * @param array $options Unsanitized options to save.
	 * @return array
	 */
	protected function update( $options ) {
		$newoptions = array();

foreach ( array( 'force_lang', 'rewrite' ) as $key ) {
			$newoptions[ $key ] = isset( $options[ $key ] ) ? (int) $options[ $key ] : 0;
		}

if ( 3 == $options['force_lang'] && isset( $options['domains'] ) && is_array( $options['domains'] ) ) {
			$newoptions['domains'] = array();
			foreach ( $options['domains'] as $key => $domain ) {
				if ( empty( $domain ) ) {
					$lang = $this->model->get_language( $key );
					add_settings_error(
						'general',
						'pll_invalid_domain',
						esc_html(
							sprintf(
								/* translators: %s is a native language name */
								__( 'Please enter a valid URL for %s.', 'polylang' ),
								$lang->name
							)
						)
					);
				}
				else {
					$newoptions['domains'][ $key ] = esc_url_raw( trim( $domain ) );
				}
			}
		}

foreach ( array( 'hide_default', 'redirect_lang' ) as $key ) {
			$newoptions[ $key ] = isset( $options[ $key ] ) ? 1 : 0;
		}

if ( 3 == $options['force_lang'] ) {
			if ( ! class_exists( 'PLL_Xdata_Domain', true ) ) {
				$newoptions['browser'] = 0;
			}
			$newoptions['hide_default'] = 0;
		}

// Check if domains exist
		if ( $newoptions['force_lang'] > 1 ) {
			$this->check_domains( $newoptions );
		}

return $newoptions; // Take care to return only validated options
	}

/**
	 * Check if subdomains or domains are accessible
	 *
	 * @since 1.8
	 *
	 * @param array $options new set of options to test
	 * @return void
	 */
	protected function check_domains( $options ) {
		$options = array_merge( $this->options, $options );
		$model = new PLL_Model( $options );
		$links_model = $model->get_links_model();
		foreach ( $this->model->get_languages_list() as $lang ) {
			$url = add_query_arg( 'deactivate-polylang', 1, $links_model->home_url( $lang ) );
			// Don't redefine vip_safe_wp_remote_get() as it has not the same signature as wp_remote_get()
			$response = function_exists( 'vip_safe_wp_remote_get' ) ? vip_safe_wp_remote_get( esc_url_raw( $url ) ) : wp_remote_get( esc_url_raw( $url ) );
			$response_code = wp_remote_retrieve_response_code( $response );

if ( 200 != $response_code ) {
				add_settings_error(
					'general',
					'pll_invalid_domain',
					esc_html(
						sprintf(
							/* translators: %s is an url */
							__( 'Polylang was unable to access the %s URL. Please check that the URL is valid.', 'polylang' ),
							$url
						)
					)
				);
			}
		}
	}
}