$entry->is_plural ) { $exported .= "\0" . $entry->plural; } if ( $entry->context ) { $exported = $entry->context . "\4" . $exported; } return $exported; } /** * @param Translation_Entry $entry * @return string */ public function export_translations( $entry ) { // TODO: Warnings for control characters. return $entry->is_plural ? implode( "\0", $entry->translations ) : $entry->translations[0]; } /** * @return string */ public function export_headers() { $exported = ''; foreach ( $this->headers as $header => $value ) { $exported .= "$header: $value\n"; } return $exported; } /** * @param int $magic * @return string|false */ public function get_byteorder( $magic ) { // The magic is 0x950412de. // bug in PHP 5.0.2, see https://savannah.nongnu.org/bugs/?func=detailitem&item_id=10565 $magic_little = (int) - 1794895138; $magic_little_64 = (int) 2500072158; // 0xde120495 $magic_big = ( (int) - 569244523 ) & 0xFFFFFFFF; if ( $magic_little === $magic || $magic_little_64 === $magic ) { return 'little'; } elseif ( $magic_big === $magic ) { return 'big'; } else { return false; } } /** * @param POMO_FileReader $reader * @return bool True if the import was successful, otherwise false. */ public function import_from_reader( $reader ) { $endian_string = MO::get_byteorder( $reader->readint32() ); if ( false === $endian_string ) { return false; } $reader->setEndian( $endian_string ); $endian = ( 'big' === $endian_string ) ? 'N' : 'V'; $header = $reader->read( 24 ); if ( $reader->strlen( $header ) !== 24 ) { return false; } // Parse header. $header = unpack( "{$endian}revision/{$endian}total/{$endian}originals_lengths_addr/{$endian}translations_lengths_addr/{$endian}hash_length/{$endian}hash_addr", $header ); if ( ! is_array( $header ) ) { return false; } // Support revision 0 of MO format specs, only. if ( 0 !== $header['revision'] ) { return false; } // Seek to data blocks. $reader->seekto( $header['originals_lengths_addr'] ); // Read originals' indices. $originals_lengths_length = $header['translations_lengths_addr'] - $header['originals_lengths_addr']; if ( $originals_lengths_length !== $header['total'] * 8 ) { return false; } $originals = $reader->read( $originals_lengths_length ); if ( $reader->strlen( $originals ) !== $originals_lengths_length ) { return false; } // Read translations' indices. $translations_lengths_length = $header['hash_addr'] - $header['translations_lengths_addr']; if ( $translations_lengths_length !== $header['total'] * 8 ) { return false; } $translations = $reader->read( $translations_lengths_length ); if ( $reader->strlen( $translations ) !== $translations_lengths_length ) { return false; } // Transform raw data into set of indices. $originals = $reader->str_split( $originals, 8 ); $translations = $reader->str_split( $translations, 8 ); // Skip hash table. $strings_addr = $header['hash_addr'] + $header['hash_length'] * 4; $reader->seekto( $strings_addr ); $strings = $reader->read_all(); $reader->close(); for ( $i = 0; $i < $header['total']; $i++ ) { $o = unpack( "{$endian}length/{$endian}pos", $originals[ $i ] ); $t = unpack( "{$endian}length/{$endian}pos", $translations[ $i ] ); if ( ! $o || ! $t ) { return false; } // Adjust offset due to reading strings to separate space before. $o['pos'] -= $strings_addr; $t['pos'] -= $strings_addr; $original = $reader->substr( $strings, $o['pos'], $o['length'] ); $translation = $reader->substr( $strings, $t['pos'], $t['length'] ); if ( '' === $original ) { $this->set_headers( $this->make_headers( $translation ) ); } else { $entry = &$this->make_entry( $original, $translation ); $this->entries[ $entry->key() ] = &$entry; } } return true; } /** * Build a Translation_Entry from original string and translation strings, * found in a MO file * * @static * @param string $original original string to translate from MO file. Might contain * 0x04 as context separator or 0x00 as singular/plural separator * @param string $translation translation string from MO file. Might contain * 0x00 as a plural translations separator * @return Translation_Entry Entry instance. */ public function &make_entry( $original, $translation ) { $entry = new Translation_Entry(); // Look for context, separated by \4. $parts = explode( "\4", $original ); if ( isset( $parts[1] ) ) { $original = $parts[1]; $entry->context = $parts[0]; } // Look for plural original. $parts = explode( "\0", $original ); $entry->singular = $parts[0]; if ( isset( $parts[1] ) ) { $entry->is_plural = true; $entry->plural = $parts[1]; } // Plural translations are also separated by \0. $entry->translations = explode( "\0", $translation ); return $entry; } /** * @param int $count * @return string */ public function select_plural_form( $count ) { return $this->gettext_select_plural_form( $count ); } /** * @return int */ public function get_plural_forms_count() { return $this->_nplurals; } } endif; t->ID; } elseif ( is_int( $post ) ) { $parent_post_ids[] = $post; } } _prime_post_caches( $parent_post_ids, false, true ); foreach ( $wp_query->posts as $post ) { $id = get_post_thumbnail_id( $post ); if ( $id ) { $thumb_ids[] = $id; } } if ( ! empty( $thumb_ids ) ) { _prime_post_caches( $thumb_ids, false, true ); } $wp_query->thumbnails_cached = true; } /** * Retrieves the post thumbnail. * * When a theme adds 'post-thumbnail' support, a special 'post-thumbnail' image size * is registered, which differs from the 'thumbnail' image size managed via the * Settings > Media screen. * * When using the_post_thumbnail() or related functions, the 'post-thumbnail' image * size is used by default, though a different size can be specified instead as needed. * * @since 2.9.0 * @since 4.4.0 `$post` can be a post ID or WP_Post object. * * @param int|WP_Post|null $post Optional. Post ID or WP_Post object. Default is global `$post`. * @param string|int[] $size Optional. Image size. Accepts any registered image size name, or an array of * width and height values in pixels (in that order). Default 'post-thumbnail'. * @param string|array $attr Optional. Query string or array of attributes. Default empty. * @return string The post thumbnail image tag. */ function get_the_post_thumbnail( $post = null, $size = 'post-thumbnail', $attr = '' ) { $post = get_post( $post ); if ( ! $post ) { return ''; } $post_thumbnail_id = get_post_thumbnail_id( $post ); /** * Filters the post thumbnail size. * * @since 2.9.0 * @since 4.9.0 Added the `$post_id` parameter. * * @param string|int[] $size Requested image size. Can be any registered image size name, or * an array of width and height values in pixels (in that order). * @param int $post_id The post ID. */ $size = apply_filters( 'post_thumbnail_size', $size, $post->ID ); if ( $post_thumbnail_id ) { /** * Fires before fetching the post thumbnail HTML. * * Provides "just in time" filtering of all filters in wp_get_attachment_image(). * * @since 2.9.0 * * @param int $post_id The post ID. * @param int $post_thumbnail_id The post thumbnail ID. * @param string|int[] $size Requested image size. Can be any registered image size name, or * an array of width and height values in pixels (in that order). */ do_action( 'begin_fetch_post_thumbnail_html', $post->ID, $post_thumbnail_id, $size ); if ( in_the_loop() ) { update_post_thumbnail_cache(); } $html = wp_get_attachment_image( $post_thumbnail_id, $size, false, $attr ); /** * Fires after fetching the post thumbnail HTML. * * @since 2.9.0 * * @param int $post_id The post ID. * @param int $post_thumbnail_id The post thumbnail ID. * @param string|int[] $size Requested image size. Can be any registered image size name, or * an array of width and height values in pixels (in that order). */ do_action( 'end_fetch_post_thumbnail_html', $post->ID, $post_thumbnail_id, $size ); } else { $html = ''; } /** * Filters the post thumbnail HTML. * * @since 2.9.0 * * @param string $html The post thumbnail HTML. * @param int $post_id The post ID. * @param int $post_thumbnail_id The post thumbnail ID, or 0 if there isn't one. * @param string|int[] $size Requested image size. Can be any registered image size name, or * an array of width and height values in pixels (in that order). * @param string|array $attr Query string or array of attributes. */ return apply_filters( 'post_thumbnail_html', $html, $post->ID, $post_thumbnail_id, $size, $attr ); } /** * Returns the post thumbnail URL. * * @since 4.4.0 * * @param int|WP_Post|null $post Optional. Post ID or WP_Post object. Default is global `$post`. * @param string|int[] $size Optional. Registered image size to retrieve the source for or a flat array * of height and width dimensions. Default 'post-thumbnail'. * @return string|false Post thumbnail URL or false if no image is available. If `$size` does not match * any registered image size, the original image URL will be returned. */ function get_the_post_thumbnail_url( $post = null, $size = 'post-thumbnail' ) { $post_thumbnail_id = get_post_thumbnail_id( $post ); if ( ! $post_thumbnail_id ) { return false; } $thumbnail_url = wp_get_attachment_image_url( $post_thumbnail_id, $size ); /** * Filters the post thumbnail URL. * * @since 5.9.0 * * @param string|false $thumbnail_url Post thumbnail URL or false if the post does not exist. * @param int|WP_Post|null $post Post ID or WP_Post object. Default is global `$post`. * @param string|int[] $size Registered image size to retrieve the source for or a flat array * of height and width dimensions. Default 'post-thumbnail'. */ return apply_filters( 'post_thumbnail_url', $thumbnail_url, $post, $size ); } /** * Displays the post thumbnail URL. * * @since 4.4.0 * * @param string|int[] $size Optional. Image size to use. Accepts any valid image size, * or an array of width and height values in pixels (in that order). * Default 'post-thumbnail'. */ function the_post_thumbnail_url( $size = 'post-thumbnail' ) { $url = get_the_post_thumbnail_url( null, $size ); if ( $url ) { echo esc_url( $url ); } } /** * Returns the post thumbnail caption. * * @since 4.6.0 * * @param int|WP_Post|null $post Optional. Post ID or WP_Post object. Default is global `$post`. * @return string Post thumbnail caption. */ function get_the_post_thumbnail_caption( $post = null ) { $post_thumbnail_id = get_post_thumbnail_id( $post ); if ( ! $post_thumbnail_id ) { return ''; } $caption = wp_get_attachment_caption( $post_thumbnail_id ); if ( ! $caption ) { $caption = ''; } return $caption; } /** * Displays the post thumbnail caption. * * @since 4.6.0 * * @param int|WP_Post|null $post Optional. Post ID or WP_Post object. Default is global `$post`. */ function the_post_thumbnail_caption( $post = null ) { /** * Filters the displayed post thumbnail caption. * * @since 4.6.0 * * @param string $caption Caption for the given attachment. */ echo apply_filters( 'the_post_thumbnail_caption', get_the_post_thumbnail_caption( $post ) ); } e request through the proxy. */ public function send_through_proxy( $uri ) { $check = parse_url( $uri ); // Malformed URL, can not process, but this could mean ssl, so let through anyway. if ( false === $check ) { return true; } $home = parse_url( get_option( 'siteurl' ) ); /** * Filters whether to preempt sending the request through the proxy. * * Returning false will bypass the proxy; returning true will send * the request through the proxy. Returning null bypasses the filter. * * @since 3.5.0 * * @param bool|null $override Whether to send the request through the proxy. Default null. * @param string $uri URL of the request. * @param array $check Associative array result of parsing the request URL with `parse_url()`. * @param array $home Associative array result of parsing the site URL with `parse_url()`. */ $result = apply_filters( 'pre_http_send_through_proxy', null, $uri, $check, $home ); if ( ! is_null( $result ) ) { return $result; } if ( 'localhost' === $check['host'] || ( isset( $home['host'] ) && $home['host'] === $check['host'] ) ) { return false; } if ( ! defined( 'WP_PROXY_BYPASS_HOSTS' ) ) { return true; } static $bypass_hosts = null; static $wildcard_regex = array(); if ( null === $bypass_hosts ) { $bypass_hosts = preg_split( '|,\s*|', WP_PROXY_BYPASS_HOSTS ); if ( str_contains( WP_PROXY_BYPASS_HOSTS, '*' ) ) { $wildcard_regex = array(); foreach ( $bypass_hosts as $host ) { $wildcard_regex[] = str_replace( '\*', '.+', preg_quote( $host, '/' ) ); } $wildcard_regex = '/^(' . implode( '|', $wildcard_regex ) . ')$/i'; } } if ( ! empty( $wildcard_regex ) ) { return ! preg_match( $wildcard_regex, $check['host'] ); } else { return ! in_array( $check['host'], $bypass_hosts, true ); } } } public function prepare_item_for_response( $item, $request ) { $data = array(); $fields = $this->get_fields_for_response( $request ); if ( rest_is_field_included( 'id', $fields ) ) { $data['id'] = (int) $item->ID; } $context = ! empty( $request['context'] ) ? $request['context'] : 'view'; $data = $this->add_additional_fields_to_object( $data, $request ); $data = $this->filter_response_by_context( $data, $context ); $response = rest_ensure_response( $data ); if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) { $links = $this->prepare_links( $item ); $response->add_links( $links ); } return $response; } /** * Prepares the links for the request. * * @since 6.3.0 * * @param WP_Post $post the Navigation Menu post object. * @return array Links for the given request. */ private function prepare_links( $post ) { return array( 'self' => array( 'href' => rest_url( rest_get_route_for_post( $post->ID ) ), 'embeddable' => true, ), ); } } __METHOD__, sprintf( /* translators: %s: List of element names. */ __( 'Fields other than %s are not currently supported for the sitemap index.' ), implode( ',', array( 'loc', 'lastmod' ) ) ), '5.5.0' ); } } } return $sitemap_index->asXML(); } /** * Renders a sitemap. * * @since 5.5.0 * * @param array $url_list Array of URLs for a sitemap. */ public function render_sitemap( $url_list ) { header( 'Content-Type: application/xml; charset=UTF-8' ); $this->check_for_simple_xml_availability(); $sitemap_xml = $this->get_sitemap_xml( $url_list ); if ( ! empty( $sitemap_xml ) ) { // All output is escaped within get_sitemap_xml(). echo $sitemap_xml; } } /** * Gets XML for a sitemap. * * @since 5.5.0 * * @param array $url_list Array of URLs for a sitemap. * @return string|false A well-formed XML string for a sitemap index. False on error. */ public function get_sitemap_xml( $url_list ) { $urlset = new SimpleXMLElement( sprintf( '%1$s%2$s%3$s', '', $this->stylesheet, '' ) ); foreach ( $url_list as $url_item ) { $url = $urlset->addChild( 'url' ); // Add each element as a child node to the entry. foreach ( $url_item as $name => $value ) { if ( 'loc' === $name ) { $url->addChild( $name, esc_url( $value ) ); } elseif ( in_array( $name, array( 'lastmod', 'changefreq', 'priority' ), true ) ) { $url->addChild( $name, esc_xml( $value ) ); } else { _doing_it_wrong( __METHOD__, sprintf( /* translators: %s: List of element names. */ __( 'Fields other than %s are not currently supported for sitemaps.' ), implode( ',', array( 'loc', 'lastmod', 'changefreq', 'priority' ) ) ), '5.5.0' ); } } } return $urlset->asXML(); } /** * Checks for the availability of the SimpleXML extension and errors if missing. * * @since 5.5.0 */ private function check_for_simple_xml_availability() { if ( ! class_exists( 'SimpleXMLElement' ) ) { add_filter( 'wp_die_handler', static function () { return '_xml_wp_die_handler'; } ); wp_die( sprintf( /* translators: %s: SimpleXML */ esc_xml( __( 'Could not generate XML sitemap due to missing %s extension' ) ), 'SimpleXML' ), esc_xml( __( 'WordPress › Error' ) ), array( 'response' => 501, // "Not implemented". ) ); } } }