'; return; } elseif ( '/img/default.png' === substr( $img, -16 ) ) { // Define default image properties without loading the image file. $img = array( 0 => $img, 1 => 1900, 2 => 1075 ); } else { $fullimgdata = getimagesize( $img ); $imgdata = array( 0 => $img, // url 1 => $fullimgdata[0], // width 2 => $fullimgdata[1], // height ); $img = $imgdata; } } // Determine image orientation. $orientation = ( $img[1] > $img[2] ) ? 'landscape' : 'portrait'; echo '
'; if ( has_post_thumbnail() ) { the_post_thumbnail( 'post-thumbnail', array( 'class' => 'screen-reader-text' ) ); } echo '
'; } endif; /** * Get the featured image (post thumbnail) URL, if it exists, or otherwise, * look for another image in the post to use as the featured image. * * Based on cxnh_quickshare_get_post_image(), from the QuickShare plugin by Nick Halsey. * * @param string $size WordPress image size to get. * @return string $url URL of the post image. * * @since Arbutus 1.0 */ function arbutus_get_post_image( $size = 'post-thumbnail' ) { global $post; $imgdata = array(); // If there's a featured image, use it. if ( has_post_thumbnail() ) { $imgdata = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), $size ); } elseif ( is_attachment() ) { $imgdata = wp_get_attachment_image_src( $post->ID, $size ); // Attachment post type, so post id is attachment id. } else { // Next, try grabbing first attached image. $args = array( 'numberposts' => 1, 'post_parent' => $post->ID, 'post_type' => 'attachment', 'post_mime_type' => 'image' ); $attachments = get_children( $args ); // Array is keyed by attachment id. if ( ! empty( $attachments ) ) { $rekeyed_array = array_values( $attachments ); $imgdata = wp_get_attachment_image_src( $rekeyed_array[0]->ID , 'post-thumbnail' ); } else { // Finally, look for the first img tag brute-force. Presumably if there's a caption or it's a gallery or anything it should have come up as an attachment. $result = preg_match_all( '//i', $post->post_content, $matches ); // Find img tags, grab srcs. if ( $result > 0 ) { return $matches[1][0]; // Grab the first img src, no way to select size if we've gotten this deep. } } } if ( ! empty( $imgdata ) ) { return $imgdata; } else { // Use the default/fallback post image, if it exists. return get_theme_mod( 'default_image', get_stylesheet_directory_uri() . '/img/default.png' ); } } if ( ! function_exists( 'arbutus_gallery_excerpt' ) ) : /** * Display an excerpt from a gallery format's gallery: one full row of images, with a read more link. * If no gallery exists in the post, display the content excerpt instead. */ function arbutus_gallery_excerpt() { global $post; $data = get_post_gallery( $post, false ); // This should return information including the gallery IDs. $ids = array(); $srcs = array(); if ( is_array( $data ) ) { if ( ! array_key_exists( 'ids', $data ) ) { $srcs = get_post_gallery_images(); // We have to use whatever size the user selected or the default since the ids aren't directly available. } else { $ids = explode( ',', $data['ids'] ); } } else { /* get_post_gallery() is completely broken in WordPress core for block editor galleries. This function reconstructs that functionality based on the html output. */ // Start by attempting to locate attachment ids from data-attributes. $result = preg_match_all( '/(]+data-id="([^\\"]+)"[^>]+\\/>)/', $post->post_content, $matches ); // Find img tags, grab data-ids. if ( $result > 0 ) { $i = 0; while ( $i < 8 && $i < ( $result - 1 ) ) { $ids[] = absint( $matches[2][$i] ); // Grab the img id. $i = $i + 1; } } if ( count( $ids ) < 2 ) { // Next, try to locate image SRCs. $result = preg_match_all( '/(]+src="([^\\"]+)"[^>]+\\/>)/', $post->post_content, $matches ); // Find img tags, grab srcs. if ( $result > 0 ) { $i = 0; while ( $i < 8 && $i < ( $result - 1 ) ) { $ids[] = esc_url( $matches[2][$i] ); // Grab the img src; we can't quickly get size or other data. $i = $i + 1; } } } } if ( empty( $ids ) && empty( $srcs ) ) { if ( ! has_post_thumbnail() ) { // Make sure that the title is displayed if there's no image or gallery but the format is gallery. the_title( sprintf( '

', esc_url( get_permalink() ) ), '

' ); } the_excerpt(); return; } echo '
    '; // Display up to 8 images. $i = 0; while ( $i < 8 ) { if ( ! array_key_exists( $i, $ids ) && ! array_key_exists( $i, $srcs ) ) { break; } if ( ! empty( $srcs ) ) { $src = $srcs[$i]; $orientation = 'landscape'; // This is the fallback for older shortcodes and the block editor, so hopefully they're landscape. } else { $img = wp_get_attachment_image_src( absint( trim( $ids[$i] ) ), 'medium_large' ); // Depending on aspect ratio, the "medium" size may not be big enough. We need at least 300px square. $src = $img[0]; $orientation = ( $img[1] > $img[2] ) ? 'landscape' : 'portrait'; if ( 'landscape' === $orientation && 1.33 * $img[1] > $img[2] ) { $orientation .= ' wide'; } elseif ( 1.33 * $img[2] > $img[1] ) { $orientation .= ' tall'; } } if ( $src ) { echo '
    • '; // The excerpt is decorative, so use an empty alt tag for all images. } $i++; } // Read more button. if ( has_post_thumbnail() ) { $title = sprintf ( __( 'See more %s', 'arbutus' ), '' . esc_html( get_the_title() ) . ' ' ); } else { $title = esc_html( get_the_title() ) . ''; } echo '
  • ' . $title . '
    • '; echo '
'; } endif; /** * Determine whether the current post excerpt seems like it could potentially * be displayed in multiple columns, based on its length and format. */ function arbutus_content_in_columns() { // Post formats that are always one-column. if ( has_post_format( array ( 'gallery', 'video', 'audio', 'quote' ) ) ) { return false; } $word_count = arbutus_word_count(); // Post formats where excerpts are displayed on non-single views - no upper length-limit. if ( ! is_singular() && 'aside' !== get_post_format() && 50 < $word_count ) { return true; } // Below minimum or above maximum length to display nicely in multiple columns without scrolling. if ( 50 > $word_count || 400 < $word_count ) { return false; } return true; } /** * Return an approximate post word count. */ function arbutus_word_count() { $content = get_the_content(); return str_word_count( wp_strip_all_tags( $content ) ); } if ( ! function_exists( 'arbutus_paging_nav' ) ) : /** * Display navigation to next/previous set of posts when applicable. */ function arbutus_paging_nav() { // Don't print empty markup if there's only one page. if ( $GLOBALS['wp_query']->max_num_pages < 2 ) { return; } ?> post_parent ) : get_adjacent_post( false, '', true ); $next = get_adjacent_post( false, '', false ); if ( ! $next && ! $previous ) { return; } ?> %2$s'; if ( get_the_time( 'U' ) !== get_the_modified_time( 'U' ) ) { $time_string .= ''; } $time_string = sprintf( $time_string, esc_attr( get_the_date( 'c' ) ), esc_html( get_the_date() ), esc_attr( get_the_modified_date( 'c' ) ), esc_html( get_the_modified_date() ) ); $posted_on = sprintf( _x( 'Posted on %s', 'post date', 'arbutus' ), '' . $time_string . '' ); $byline = sprintf( _x( 'by %s', 'post author', 'arbutus' ), '' . esc_html( get_the_author() ) . '' ); echo '' . $posted_on . ' ' . $byline . ''; } endif; /** * Returns true if a blog has more than 1 category. * * @return bool */ function arbutus_categorized_blog() { if ( false === ( $all_the_cool_cats = get_transient( 'arbutus_categories' ) ) ) { // Create an array of all the categories that are attached to posts. $all_the_cool_cats = get_categories( array( 'fields' => 'ids', 'hide_empty' => 1, // We only need to know if there is more than one category. 'number' => 2, ) ); // Count the number of categories that are attached to the posts. $all_the_cool_cats = count( $all_the_cool_cats ); set_transient( 'arbutus_categories', $all_the_cool_cats ); } if ( $all_the_cool_cats > 1 ) { // This blog has more than 1 category so arbutus_categorized_blog should return true. return true; } else { // This blog has only 1 category so arbutus_categorized_blog should return false. return false; } } /** * Flush out the transients used in arbutus_categorized_blog. */ function arbutus_category_transient_flusher() { // Like, beat it. Dig? delete_transient( 'arbutus_categories' ); } add_action( 'edit_category', 'arbutus_category_transient_flusher' ); add_action( 'save_post', 'arbutus_category_transient_flusher' ); /** * Display the footer credits area. */ function arbutus_footer_credits() { $sep_span = ''; ?>© > > Nick Halsey' ); ?>