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<?php |
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|
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// If this file is called directly, abort. |
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if ( ! defined( 'WPINC' ) ) { |
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die; |
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} |
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|
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|
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/** |
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* Get the translated URL |
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* |
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* @param string $url |
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* @param string $language_target_id |
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* @return string |
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*/ |
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function wplng_url_translate( $url, $language_target_id = '' ) { |
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|
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// Check if URL is an empty string |
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if ( '' === $url ) { |
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return ''; |
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} |
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|
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// Check if URL is translatable (exclude /admin/, ...) |
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if ( ! wplng_url_is_translatable( $url ) ) { |
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return $url; |
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} |
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|
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// Check if it's an WooCommece AJAX URL |
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if ( str_contains( $url, '?wc-ajax=' ) ) { |
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return $url; |
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} |
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|
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// Check if URL is an anchor link for the current page |
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if ( '#' === substr( $url, 0, 1 ) ) { |
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return $url; |
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} |
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|
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$languages_target = wplng_get_languages_target(); |
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|
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if ( '' === $language_target_id ) { |
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$language_target_id = wplng_get_language_current_id(); |
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} |
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|
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$preg_domain = ''; |
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$parsed_url = wp_parse_url( home_url() ); |
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|
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if ( isset( $parsed_url['host'] ) |
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&& is_string( $parsed_url['host'] ) |
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) { |
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$preg_domain = preg_quote( $parsed_url['host'] ); |
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} |
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|
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if ( ! empty( $preg_domain ) |
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&& preg_match( '#^(http:\/\/|https:\/\/)?' . $preg_domain . '(.*)$#', $url ) |
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) { |
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|
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// Check if URL is already translated |
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foreach ( $languages_target as $language_target ) { |
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if ( str_contains( $url, '/' . $language_target['id'] . '/' ) ) { |
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return $url; |
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} |
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} |
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|
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$url = preg_replace( |
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'#^(http:\/\/|https:\/\/)?' . $preg_domain . '(.*)$#', |
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'$1' . $preg_domain . '/' . $language_target_id . '$2', |
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$url |
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); |
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|
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$url = trailingslashit( $url ); |
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|
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} elseif ( preg_match( '#^[^\/]+\/[^\/].*$|^\/[^\/].*$#', $url ) ) { |
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|
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// Check if URL is already translated |
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foreach ( $languages_target as $language_target ) { |
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if ( substr( $url, 0, 4 ) == '/' . $language_target['id'] . '/' |
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|| substr( $url, 0, 3 ) == $language_target['id'] . '/' |
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) { |
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return $url; |
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} |
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} |
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|
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if ( '/' === substr( $url, 0, 1 ) ) { |
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$url = '/' . $language_target_id . $url; |
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} else { |
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$url = $language_target_id . '/' . $url; |
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} |
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} |
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|
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$url = apply_filters( |
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'wplng_url_translate', |
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$url |
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); |
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|
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return $url; |
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} |
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|
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|
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/** |
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* Return true is $url is translatable |
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* |
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* @param string $url |
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* @return bool |
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*/ |
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function wplng_url_is_translatable( $url = '' ) { |
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|
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global $wplng_request_uri; |
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$is_translatable = true; |
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|
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// Get current URL if $url is empty |
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if ( empty( $url ) ) { |
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$url = sanitize_url( $wplng_request_uri ); |
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} |
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|
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$url = wp_make_link_relative( $url ); |
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|
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// Check if is an admin page |
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if ( str_contains( $url, wp_make_link_relative( get_admin_url() ) ) ) { |
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$is_translatable = false; |
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} |
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|
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// Check if is wp-comments-post.php |
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if ( $is_translatable |
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&& str_contains( $url, 'wp-comments-post.php' ) |
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) { |
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$is_translatable = false; |
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} |
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|
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// Check if is in wp-uploads |
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if ( |
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$is_translatable |
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&& str_contains( $url, wp_make_link_relative( content_url() ) ) |
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) { |
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$is_translatable = false; |
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} |
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|
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// Exclude files URL |
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$regex_is_file = '#\.(avi|css|doc|exe|gif|html|jpg|jpeg|mid|midi|mp3|mpg|mpeg|mov|qt|pdf|png|ram|rar|tiff|txt|wav|zip|ico)$#Uis'; |
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if ( $is_translatable && preg_match( $regex_is_file, $url ) ) { |
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$is_translatable = false; |
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} |
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|
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// Check if URL is excluded in option page |
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if ( $is_translatable ) { |
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|
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$url_original = wplng_get_url_original( $url ); |
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$url_exclude_regex = wplng_get_url_exclude_regex(); |
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|
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foreach ( $url_exclude_regex as $regex ) { |
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if ( preg_match( $regex, $url_original ) ) { |
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$is_translatable = false; |
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break; |
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} |
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} |
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} |
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|
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$is_translatable = apply_filters( |
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'wplng_url_is_translatable', |
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$is_translatable, |
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$url |
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); |
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|
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return $is_translatable; |
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} |
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|
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|
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/** |
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* Get the REGEX list of excluded URLs |
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* |
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* @return array |
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*/ |
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function wplng_get_url_exclude_regex() { |
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|
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$url_exclude = array(); |
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|
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// Get, check and sanitize excluded URL REGEX as string |
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$option = get_option( 'wplng_excluded_url' ); |
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if ( empty( $option ) || ! is_string( $option ) ) { |
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$option = ''; |
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} else { |
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$option = sanitize_textarea_field( $option ); |
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} |
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|
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// Get exclude URL REGEX as array |
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$option = explode( PHP_EOL, $option ); |
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|
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// Check each URL REGEX |
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foreach ( $option as $regex ) { |
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$regex = trim( $regex ); |
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if ( '' !== $regex ) { |
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$url_exclude[] = '#' . $regex . '#'; |
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} |
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} |
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|
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// Remove duplicate |
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$url_exclude = array_unique( $url_exclude ); |
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|
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// Apply wplng_url_exclude_regex filter |
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$url_exclude = apply_filters( |
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'wplng_url_exclude_regex', |
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$url_exclude |
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); |
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|
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return $url_exclude; |
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} |
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|
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|
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/** |
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* Get the untranslated / original URL |
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* |
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* @param string $url |
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* @return string |
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*/ |
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function wplng_get_url_original( $url = '' ) { |
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|
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if ( '' === $url ) { |
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$url = wplng_get_url_current(); |
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} |
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|
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$target = wplng_get_languages_target_ids(); |
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|
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foreach ( $target as $target_id ) { |
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$url = str_replace( '/' . $target_id . '/', '/', $url ); |
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} |
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|
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$url = esc_url( $url ); |
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|
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$url = apply_filters( |
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'wplng_url_original', |
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$url |
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); |
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|
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return $url; |
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} |
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|
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|
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/** |
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* Get current URL |
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* |
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* @return string |
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*/ |
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function wplng_get_url_current() { |
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global $wplng_request_uri; |
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return home_url( $wplng_request_uri ); |
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} |
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|
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|
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/** |
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* Get the URL translated in specified language |
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* |
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* @param string $language_id |
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* @return string |
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*/ |
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function wplng_get_url_current_for_language( $language_id ) { |
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|
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global $wplng_request_uri; |
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$path = wplng_get_url_original( $wplng_request_uri ); |
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|
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if ( wplng_url_is_translatable( $path ) |
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&& ( wplng_get_language_website_id() !== $language_id ) |
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) { |
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$path = '/' . $language_id . $path; |
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} |
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|
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return home_url( $path ); |
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} |
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|
