function custom_is_news() { return custom_is_newsarchive() || is_singular('post'); }
<article class="<?php if (is_singular()) { echo " single-content"; } if (custom_is_archive() || custom_is_newsarchive()) { echo " post-item"; } ?> "> <?php if (isset($isnewscompact)) { echo '<a href="' . get_permalink() . '" rel="bookmark">'; } ?> <header> <?php if (custom_is_news()) { ?> <time datetime="<?php the_time('Y-m-d'); ?> "> <?php if (isset($isnewscompact)) { the_time('d.m.Y'); } else { the_time('d/m'); } ?> </time> <?php