t ) ) { $classes[] = 'single-format-' . sanitize_html_class( $post_format ); } else { $classes[] = 'single-format-standard'; } } } } if ( is_attachment() ) { $mime_type = get_post_mime_type( $post_id ); $mime_prefix = array( 'application/', 'image/', 'text/', 'audio/', 'video/', 'music/' ); $classes[] = 'attachmentid-' . $post_id; $classes[] = 'attachment-' . str_replace( $mime_prefix, '', $mime_type ); } elseif ( is_page() ) { $classes[] = 'page'; $classes[] = 'page-id-' . $post_id; if ( get_pages( array( 'parent' => $post_id, 'number' => 1, ) ) ) { $classes[] = 'page-parent'; } if ( $post->post_parent ) { $classes[] = 'page-child'; $classes[] = 'parent-pageid-' . $post->post_parent; } } } elseif ( is_archive() ) { if ( is_post_type_archive() ) { $classes[] = 'post-type-archive'; $post_type = get_query_var( 'post_type' ); if ( is_array( $post_type ) ) { $post_type = reset( $post_type ); } $classes[] = 'post-type-archive-' . sanitize_html_class( $post_type ); } elseif ( is_author() ) { $author = $wp_query->get_queried_object(); $classes[] = 'author'; if ( isset( $author->user_nicename ) ) { $classes[] = 'author-' . sanitize_html_class( $author->user_nicename, $author->ID ); $classes[] = 'author-' . $author->ID; } } elseif ( is_category() ) { $cat = $wp_query->get_queried_object(); $classes[] = 'category'; if ( isset( $cat->term_id ) ) { $cat_class = sanitize_html_class( $cat->slug, $cat->term_id ); if ( is_numeric( $cat_class ) || ! trim( $cat_class, '-' ) ) { $cat_class = $cat->term_id; } $classes[] = 'category-' . $cat_class; $classes[] = 'category-' . $cat->term_id; } } elseif ( is_tag() ) { $tag = $wp_query->get_queried_object(); $classes[] = 'tag'; if ( isset( $tag->term_id ) ) { $tag_class = sanitize_html_class( $tag->slug, $tag->term_id ); if ( is_numeric( $tag_class ) || ! trim( $tag_class, '-' ) ) { $tag_class = $tag->term_id; } $classes[] = 'tag-' . $tag_class; $classes[] = 'tag-' . $tag->term_id; } } elseif ( is_tax() ) { $term = $wp_query->get_queried_object(); if ( isset( $term->term_id ) ) { $term_class = sanitize_html_class( $term->slug, $term->term_id ); if ( is_numeric( $term_class ) || ! trim( $term_class, '-' ) ) { $term_class = $term->term_id; } $classes[] = 'tax-' . sanitize_html_class( $term->taxonomy ); $classes[] = 'term-' . $term_class; $classes[] = 'term-' . $term->term_id; } } } if ( is_user_logged_in() ) { $classes[] = 'logged-in'; } if ( is_admin_bar_showing() ) { $classes[] = 'admin-bar'; $classes[] = 'no-customize-support'; } if ( current_theme_supports( 'custom-background' ) && ( get_background_color() !== get_theme_support( 'custom-background', 'default-color' ) || get_background_image() ) ) { $classes[] = 'custom-background'; } if ( has_custom_logo() ) { $classes[] = 'wp-custom-logo'; } if ( current_theme_supports( 'responsive-embeds' ) ) { $classes[] = 'wp-embed-responsive'; } $page = $wp_query->get( 'page' ); if ( ! $page || $page < 2 ) { $page = $wp_query->get( 'paged' ); } if ( $page && $page > 1 && ! is_404() ) { $classes[] = 'paged-' . $page; if ( is_single() ) { $classes[] = 'single-paged-' . $page; } elseif ( is_page() ) { $classes[] = 'page-paged-' . $page; } elseif ( is_category() ) { $classes[] = 'category-paged-' . $page; } elseif ( is_tag() ) { $classes[] = 'tag-paged-' . $page; } elseif ( is_date() ) { $classes[] = 'date-paged-' . $page; } elseif ( is_author() ) { $classes[] = 'author-paged-' . $page; } elseif ( is_search() ) { $classes[] = 'search-paged-' . $page; } elseif ( is_post_type_archive() ) { $classes[] = 'post-type-paged-' . $page; } } if ( ! empty( $css_class ) ) { if ( ! is_array( $css_class ) ) { $css_class = preg_split( '#\s+#', $css_class ); } $classes = array_merge( $classes, $css_class ); } else { // Ensure that we always coerce class to being an array. $css_class = array(); } $classes = array_map( 'esc_attr', $classes ); /** * Filters the list of CSS body class names for the current post or page. * * @since 2.8.0 * * @param string[] $classes An array of body class names. * @param string[] $css_class An array of additional class names added to the body. */ $classes = apply_filters( 'body_class', $classes, $css_class ); return array_unique( $classes ); } /** * Determines whether the post requires password and whether a correct password has been provided. * * @since 2.7.0 * * @param int|WP_Post|null $post An optional post. Global $post used if not provided. * @return bool false if a password is not required or the correct password cookie is present, true otherwise. */ function post_password_required( $post = null ) { $post = get_post( $post ); if ( empty( $post->post_password ) ) { /** This filter is documented in wp-includes/post-template.php */ return apply_filters( 'post_password_required', false, $post ); } if ( ! isset( $_COOKIE[ 'wp-postpass_' . COOKIEHASH ] ) ) { /** This filter is documented in wp-includes/post-template.php */ return apply_filters( 'post_password_required', true, $post ); } require_once ABSPATH . WPINC . '/class-phpass.php'; $hasher = new PasswordHash( 8, true ); $hash = wp_unslash( $_COOKIE[ 'wp-postpass_' . COOKIEHASH ] ); if ( ! str_starts_with( $hash, '$P$B' ) ) { $required = true; } else { $required = ! $hasher->CheckPassword( $post->post_password, $hash ); } /** * Filters whether a post requires the user to supply a password. * * @since 4.7.0 * * @param bool $required Whether the user needs to supply a password. True if password has not been * provided or is incorrect, false if password has been supplied or is not required. * @param WP_Post $post Post object. */ return apply_filters( 'post_password_required', $required, $post ); } // // Page Template Functions for usage in Themes. // /** * The formatted output of a list of pages. * * Displays page links for paginated posts (i.e. including the `` * Quicktag one or more times). This tag must be within The Loop. * * @since 1.2.0 * @since 5.1.0 Added the `aria_current` argument. * * @global int $page * @global int $numpages * @global int $multipage * @global int $more * * @param string|array $args { * Optional. Array or string of default arguments. * * @type string $before HTML or text to prepend to each link. Default is `

Pages:`. * @type string $after HTML or text to append to each link. Default is `

`. * @type string $link_before HTML or text to prepend to each link, inside the `` tag. * Also prepended to the current item, which is not linked. Default empty. * @type string $link_after HTML or text to append to each Pages link inside the `` tag. * Also appended to the current item, which is not linked. Default empty. * @type string $aria_current The value for the aria-current attribute. Possible values are 'page', * 'step', 'location', 'date', 'time', 'true', 'false'. Default is 'page'. * @type string $next_or_number Indicates whether page numbers should be used. Valid values are number * and next. Default is 'number'. * @type string $separator Text between pagination links. Default is ' '. * @type string $nextpagelink Link text for the next page link, if available. Default is 'Next Page'. * @type string $previouspagelink Link text for the previous page link, if available. Default is 'Previous Page'. * @type string $pagelink Format string for page numbers. The % in the parameter string will be * replaced with the page number, so 'Page %' generates "Page 1", "Page 2", etc. * Defaults to '%', just the page number. * @type int|bool $echo Whether to echo or not. Accepts 1|true or 0|false. Default 1|true. * } * @return string Formatted output in HTML. */ function wp_link_pages( $args = '' ) { global $page, $numpages, $multipage, $more; $defaults = array( 'before' => '

' . __( 'Pages:' ), 'after' => '

', 'link_before' => '', 'link_after' => '', 'aria_current' => 'page', 'next_or_number' => 'number', 'separator' => ' ', 'nextpagelink' => __( 'Next page' ), 'previouspagelink' => __( 'Previous page' ), 'pagelink' => '%', 'echo' => 1, ); $parsed_args = wp_parse_args( $args, $defaults ); /** * Filters the arguments used in retrieving page links for paginated posts. * * @since 3.0.0 * * @param array $parsed_args An array of page link arguments. See wp_link_pages() * for information on accepted arguments. */ $parsed_args = apply_filters( 'wp_link_pages_args', $parsed_args ); $output = ''; if ( $multipage ) { if ( 'number' === $parsed_args['next_or_number'] ) { $output .= $parsed_args['before']; for ( $i = 1; $i <= $numpages; $i++ ) { $link = $parsed_args['link_before'] . str_replace( '%', $i, $parsed_args['pagelink'] ) . $parsed_args['link_after']; if ( $i !== $page || ! $more && 1 === $page ) { $link = _wp_link_page( $i ) . $link . '
'; } elseif ( $i === $page ) { $link = '' . $link . ''; } /** * Filters the HTML output of individual page number links. * * @since 3.6.0 * * @param string $link The page number HTML output. * @param int $i Page number for paginated posts' page links. */ $link = apply_filters( 'wp_link_pages_link', $link, $i ); // Use the custom links separator beginning with the second link. $output .= ( 1 === $i ) ? ' ' : $parsed_args['separator']; $output .= $link; } $output .= $parsed_args['after']; } elseif ( $more ) { $output .= $parsed_args['before']; $prev = $page - 1; if ( $prev > 0 ) { $link = _wp_link_page( $prev ) . $parsed_args['link_before'] . $parsed_args['previouspagelink'] . $parsed_args['link_after'] . ''; /** This filter is documented in wp-includes/post-template.php */ $output .= apply_filters( 'wp_link_pages_link', $link, $prev ); } $next = $page + 1; if ( $next <= $numpages ) { if ( $prev ) { $output .= $parsed_args['separator']; } $link = _wp_link_page( $next ) . $parsed_args['link_before'] . $parsed_args['nextpagelink'] . $parsed_args['link_after'] . ''; /** This filter is documented in wp-includes/post-template.php */ $output .= apply_filters( 'wp_link_pages_link', $link, $next ); } $output .= $parsed_args['after']; } } /** * Filters the HTML output of page links for paginated posts. * * @since 3.6.0 * * @param string $output HTML output of paginated posts' page links. * @param array|string $args An array or query string of arguments. See wp_link_pages() * for information on accepted arguments. */ $html = apply_filters( 'wp_link_pages', $output, $args ); if ( $parsed_args['echo'] ) { echo $html; } return $html; } /** * Helper function for wp_link_pages(). * * @since 3.1.0 * @access private * * @global WP_Rewrite $wp_rewrite WordPress rewrite component. * * @param int $i Page number. * @return string Link. */ function _wp_link_page( $i ) { global $wp_rewrite; $post = get_post(); $query_args = array(); if ( 1 === $i ) { $url = get_permalink(); } else { if ( ! get_option( 'permalink_structure' ) || in_array( $post->post_status, array( 'draft', 'pending' ), true ) ) { $url = add_query_arg( 'page', $i, get_permalink() ); } elseif ( 'page' === get_option( 'show_on_front' ) && (int) get_option( 'page_on_front' ) === $post->ID ) { $url = trailingslashit( get_permalink() ) . user_trailingslashit( "$wp_rewrite->pagination_base/" . $i, 'single_paged' ); } else { $url = trailingslashit( get_permalink() ) . user_trailingslashit( $i, 'single_paged' ); } } if ( is_preview() ) { if ( ( 'draft' !== $post->post_status ) && isset( $_GET['preview_id'], $_GET['preview_nonce'] ) ) { $query_args['preview_id'] = wp_unslash( $_GET['preview_id'] ); $query_args['preview_nonce'] = wp_unslash( $_GET['preview_nonce'] ); } $url = get_preview_post_link( $post, $query_args, $url ); } return ''; } // // Post-meta: Custom per-post fields. // /** * Retrieves post custom meta data field. * * @since 1.5.0 * * @param string $key Meta data key name. * @return array|string|false Array of values, or single value if only one element exists. * False if the key does not exist. */ function post_custom( $key = '' ) { $custom = get_post_custom(); if ( ! isset( $custom[ $key ] ) ) { return false; } elseif ( 1 === count( $custom[ $key ] ) ) { return $custom[ $key ][0]; } else { return $custom[ $key ]; } } /** * Displays a list of post custom fields. * * @since 1.2.0 * * @deprecated 6.0.2 Use get_post_meta() to retrieve post meta and render manually. */ function the_meta() { _deprecated_function( __FUNCTION__, '6.0.2', 'get_post_meta()' ); $keys = get_post_custom_keys(); if ( $keys ) { $li_html = ''; foreach ( (array) $keys as $key ) { $keyt = trim( $key ); if ( is_protected_meta( $keyt, 'post' ) ) { continue; } $values = array_map( 'trim', get_post_custom_values( $key ) ); $value = implode( ', ', $values ); $html = sprintf( "
  • %s
  • \n", /* translators: %s: Post custom field name. */ esc_html( sprintf( _x( '%s:', 'Post custom field name' ), $key ) ), esc_html( $value ) ); /** * Filters the HTML output of the li element in the post custom fields list. * * @since 2.2.0 * * @param string $html The HTML output for the li element. * @param string $key Meta key. * @param string $value Meta value. */ $li_html .= apply_filters( 'the_meta_key', $html, $key, $value ); } if ( $li_html ) { echo "\n"; } } } // // Pages. // /** * Retrieves or displays a list of pages as a dropdown (select list). * * @since 2.1.0 * @since 4.2.0 The `$value_field` argument was added. * @since 4.3.0 The `$class` argument was added. * * @see get_pages() * * @param array|string $args { * Optional. Array or string of arguments to generate a page dropdown. See get_pages() for additional arguments. * * @type int $depth Maximum depth. Default 0. * @type int $child_of Page ID to retrieve child pages of. Default 0. * @type int|string $selected Value of the option that should be selected. Default 0. * @type bool|int $echo Whether to echo or return the generated markup. Accepts 0, 1, * or their bool equivalents. Default 1. * @type string $name Value for the 'name' attribute of the select element. * Default 'page_id'. * @type string $id Value for the 'id' attribute of the select element. * @type string $class Value for the 'class' attribute of the select element. Default: none. * Defaults to the value of `$name`. * @type string $show_option_none Text to display for showing no pages. Default empty (does not display). * @type string $show_option_no_change Text to display for "no change" option. Default empty (does not display). * @type string $option_none_value Value to use when no page is selected. Default empty. * @type string $value_field Post field used to populate the 'value' attribute of the option * elements. Accepts any valid post field. Default 'ID'. * } * @return string HTML dropdown list of pages. */ function wp_dropdown_pages( $args = '' ) { $defaults = array( 'depth' => 0, 'child_of' => 0, 'selected' => 0, 'echo' => 1, 'name' => 'page_id', 'id' => '', 'class' => '', 'show_option_none' => '', 'show_option_no_change' => '', 'option_none_value' => '', 'value_field' => 'ID', ); $parsed_args = wp_parse_args( $args, $defaults ); $pages = get_pages( $parsed_args ); $output = ''; // Back-compat with old system where both id and name were based on $name argument. if ( empty( $parsed_args['id'] ) ) { $parsed_args['id'] = $parsed_args['name']; } if ( ! empty( $pages ) ) { $class = ''; if ( ! empty( $parsed_args['class'] ) ) { $class = " class='" . esc_attr( $parsed_args['class'] ) . "'"; } $output = "\n"; } /** * Filters the HTML output of a list of pages as a dropdown. * * @since 2.1.0 * @since 4.4.0 `$parsed_args` and `$pages` added as arguments. * * @param string $output HTML output for dropdown list of pages. * @param array $parsed_args The parsed arguments array. See wp_dropdown_pages() * for information on accepted arguments. * @param WP_Post[] $pages Array of the page objects. */ $html = apply_filters( 'wp_dropdown_pages', $output, $parsed_args, $pages ); if ( $parsed_args['echo'] ) { echo $html; } return $html; } /** * Retrieves or displays a list of pages (or hierarchical post type items) in list (li) format. * * @since 1.5.0 * @since 4.7.0 Added the `item_spacing` argument. * * @see get_pages() * * @global WP_Query $wp_query WordPress Query object. * * @param array|string $args { * Optional. Array or string of arguments to generate a list of pages. See get_pages() for additional arguments. * * @type int $child_of Display only the sub-pages of a single page by ID. Default 0 (all pages). * @type string $authors Comma-separated list of author IDs. Default empty (all authors). * @type string $date_format PHP date format to use for the listed pages. Relies on the 'show_date' parameter. * Default is the value of 'date_format' option. * @type int $depth Number of levels in the hierarchy of pages to include in the generated list. * Accepts -1 (any depth), 0 (all pages), 1 (top-level pages only), and n (pages to * the given n depth). Default 0. * @type bool $echo Whether or not to echo the list of pages. Default true. * @type string $exclude Comma-separated list of page IDs to exclude. Default empty. * @type array $include Comma-separated list of page IDs to include. Default empty. * @type string $link_after Text or HTML to follow the page link label. Default null. * @type string $link_before Text or HTML to precede the page link label. Default null. * @type string $post_type Post type to query for. Default 'page'. * @type string|array $post_status Comma-separated list or array of post statuses to include. Default 'publish'. * @type string $show_date Whether to display the page publish or modified date for each page. Accepts * 'modified' or any other value. An empty value hides the date. Default empty. * @type string $sort_column Comma-separated list of column names to sort the pages by. Accepts 'post_author', * 'post_date', 'post_title', 'post_name', 'post_modified', 'post_modified_gmt', * 'menu_order', 'post_parent', 'ID', 'rand', or 'comment_count'. Default 'post_title'. * @type string $title_li List heading. Passing a null or empty value will result in no heading, and the list * will not be wrapped with unordered list `