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116 lines
3.0 KiB
116 lines
3.0 KiB
<?php
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/**
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* @package Polylang
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*/
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/**
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* Links model for the default permalinks
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* for example mysite.com/?somevar=something&lang=en.
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*
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* @since 1.2
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*/
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class PLL_Links_Default extends PLL_Links_Model {
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/**
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* Tells this child class of PLL_Links_Model does not use pretty permalinks.
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*
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* @var bool
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*/
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public $using_permalinks = false;
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/**
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* Adds the language code in a url.
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*
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* @since 1.2
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* @since 3.4 Accepts now a language slug.
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*
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* @param string $url The url to modify.
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* @param PLL_Language|string|false $language Language object or slug.
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* @return string The modified url.
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*/
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public function add_language_to_link( $url, $language ) {
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if ( $language instanceof PLL_Language ) {
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$language = $language->slug;
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}
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return empty( $language ) || ( $this->options['hide_default'] && $this->options['default_lang'] === $language ) ? $url : add_query_arg( 'lang', $language, $url );
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}
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/**
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* Removes the language information from an url.
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*
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* @since 1.2
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*
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* @param string $url The url to modify.
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* @return string The modified url.
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*/
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public function remove_language_from_link( $url ) {
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return remove_query_arg( 'lang', $url );
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}
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/**
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* Returns the link to the first page.
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*
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* @since 1.2
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*
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* @param string $url The url to modify.
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* @return string The modified url.
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*/
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public function remove_paged_from_link( $url ) {
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return remove_query_arg( 'paged', $url );
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}
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/**
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* Returns the link to the paged page.
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*
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* @since 1.5
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*
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* @param string $url The url to modify.
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* @param int $page The page number.
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* @return string The modified url.
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*/
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public function add_paged_to_link( $url, $page ) {
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return add_query_arg( array( 'paged' => $page ), $url );
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}
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/**
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* Gets the language slug from the url if present.
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*
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* @since 1.2
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* @since 2.0 Add the $url argument.
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*
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* @param string $url Optional, defaults to the current url.
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* @return string Language slug.
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*/
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public function get_language_from_url( $url = '' ) {
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if ( empty( $url ) ) {
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$url = pll_get_requested_url();
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}
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$pattern = sprintf(
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'#[?&]lang=(?<lang>%s)(?:$|&)#',
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implode( '|', $this->model->get_languages_list( array( 'fields' => 'slug' ) ) )
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);
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return preg_match( $pattern, $url, $matches ) ? $matches['lang'] : ''; // $matches['lang'] is the slug of the requested language.
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}
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/**
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* Returns the static front page url in the given language.
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*
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* @since 1.8
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* @since 3.4 Accepts now an array of language properties.
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*
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* @param PLL_Language|array $language Language object or array of language properties.
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* @return string The static front page url.
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*/
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public function front_page_url( $language ) {
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if ( $language instanceof PLL_Language ) {
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$language = $language->to_array();
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}
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if ( $this->options['hide_default'] && $language['is_default'] ) {
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return trailingslashit( $this->home );
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}
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$url = home_url( '/?page_id=' . $language['page_on_front'] );
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return $this->options['force_lang'] ? $this->add_language_to_link( $url, $language['slug'] ) : $url;
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}
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}
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