“in_category”[关闭]时更改页面标题

Question

So I'm not sure what happened but this was working until the update to Wordpress 4.7. Can someone please help me figure out why my page header is still showing default "News & Events" when on any single post?

  if( $subheader_show ){
                        echo '<div id="Subheader" style="'. $subheader_style .'">';
                            echo '<div class="container">';
                                echo '<div class="column one">';

                                    // Title
                                    $title_tag = mfn_opts_get( 'subheader-title-tag', 'h1' );
                                    if( in_category('news' || 'community' || 'events')) {
                                    echo '<'. $title_tag .' class="title">News & Events</'. $title_tag .'>';
                                    } elseif( in_category('attorneys')) {
                                    echo '<'. $title_tag .' class="title">Attorneys</'. $title_tag .'>';
                                    } elseif( in_category('publications')) {
                                    echo '<'. $title_tag .' class="title">Publications</'. $title_tag .'>';
                                    } else {
                                    echo '<'. $title_tag .' class="title">'. mfn_page_title() .'</'. $title_tag .'>';
                                    }

                                    // Breadcrumbs
                                    if( $breadcrumbs_show ) mfn_breadcrumbs( $breadcrumbs_link );

                                echo '</div>';
                            echo '</div>';
                        echo '</div>';
                    }

Answer 1

You're using in_category function incorrectly.
It accepts int, string or array. In your case it should be in_category(array('news', 'community', 'events')). I have no clue how it was working before, because nothing changed with this function in 4.7 as far as I can see.