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101 lines
2.5 KiB
PHP
101 lines
2.5 KiB
PHP
<?php
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/**
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* Links model for default permalinks
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* for example mysite.com/?somevar=something&lang=en
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* implements the "links_model interface"
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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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public $using_permalinks = false;
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/**
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* Adds language information to an url
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* links_model interface
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*
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* @since 1.2
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*
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* @param string $url url to modify
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* @param object $lang language
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* @return string modified url
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*/
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public function add_language_to_link( $url, $lang ) {
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return empty( $lang ) || ( $this->options['hide_default'] && $this->options['default_lang'] == $lang->slug ) ? $url : add_query_arg( 'lang', $lang->slug, $url );
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}
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/**
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* Removes the language information from an url
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* links_model interface
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*
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* @since 1.2
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*
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* @param string $url url to modify
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* @return string 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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* links_model interface
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*
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* @since 1.2
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*
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* @param string $url url to modify
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* @return string 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 when using pretty permalinks
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*
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* @since 1.5
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*
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* @param string $url url to modify
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* @param int $page
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* @return string 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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* links_model interface
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*
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* @since 1.2
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* @since 2.0 add $url argument
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*
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* @param string $url optional, defaults to 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 = '#lang=(' . implode( '|', $this->model->get_languages_list( array( 'fields' => 'slug' ) ) ) . ')#';
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return preg_match( $pattern, trailingslashit( $url ), $matches ) ? $matches[1] : ''; // $matches[1] 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
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*
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* @since 1.8
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*
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* @param object $lang
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* @return string
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*/
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public function front_page_url( $lang ) {
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if ( $this->options['hide_default'] && $lang->slug == $this->options['default_lang'] ) {
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return trailingslashit( $this->home );
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}
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$url = home_url( '/?page_id=' . $lang->page_on_front );
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return $this->options['force_lang'] ? $this->add_language_to_link( $url, $lang ) : $url;
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}
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}
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