Weak hands cannot be planted, meager skills have no foundation. Shallow wisdom is futile, how can one hope for a good name?扰扰从役倦，屑屑身事微。少壮轻年月，迟暮惜光辉。
slug;
}
return empty( $language ) || ( $this->options['hide_default'] && $this->options['default_lang'] === $language ) ? $url : add_query_arg( 'lang', $language, $url );
}
/**
* Removes the language information from an url.
*
* @since 1.2
*
* @param string $url The url to modify.
* @return string The modified url.
*/
public function remove_language_from_link( $url ) {
return remove_query_arg( 'lang', $url );
}
/**
* Returns the link to the first page.
*
* @since 1.2
*
* @param string $url The url to modify.
* @return string The modified url.
*/
public function remove_paged_from_link( $url ) {
return remove_query_arg( 'paged', $url );
}
/**
* Returns the link to the paged page.
*
* @since 1.5
*
* @param string $url The url to modify.
* @param int $page The page number.
* @return string The modified url.
*/
public function add_paged_to_link( $url, $page ) {
return add_query_arg( array( 'paged' => $page ), $url );
}
/**
* Gets the language slug from the url if present.
*
* @since 1.2
* @since 2.0 Add the $url argument.
*
* @param string $url Optional, defaults to the current url.
* @return string Language slug.
*/
public function get_language_from_url( $url = '' ) {
if ( empty( $url ) ) {
$url = pll_get_requested_url();
}
$pattern = sprintf(
'#[?&]lang=(?%s)(?:$|&)#',
implode( '|', $this->model->get_languages_list( array( 'fields' => 'slug' ) ) )
);
return preg_match( $pattern, $url, $matches ) ? $matches['lang'] : ''; // $matches['lang'] is the slug of the requested language.
}
/**
* Returns the static front page url in the given language.
*
* @since 1.8
* @since 3.4 Accepts now an arra