[WordPress] 外掛分享： WPR General Posts

原文外掛簡介

With the general posts widget, you can place a list of posts into your widget areas based on any query parameters available in WP_QUERY. You can generate the latest posts, popular posts (given you have some method of tracking post hits), post types, filter by category or other taxonomy, filter by post meta, etc… If it’s available in WP_QUERY it’s available to you in the widget. If there are customizations that the interface does not allow for, there are a number of hooks that allow you to edit and control pretty much any part of the widget from adjusting the query to adjusting the output.
Please Note
There is no styling associated with this plugin. If you wish to style the output, assign a class and/or an ID to the widget and style appropriately in your style.css file.

Available Hooks

add_filter( 'widget_title', 'my_Func'); function my_Func($title){return $title;}
add_filter('wpr_adjust_genposts_query','my_Func', 10, 3); function my_Func( $queryargs, $widgetargs, $instance){return $queryargs}
$widgetargs contains things like before_widget and after_widget. $instance contains the widget params you added in the UI.
add_filter('wpr_genposts_titlefilter', 'my_Func', 10, 6); function my_Func($fintitle, $before_title, $title, $after_title, $instance){return $fintitle}
add_filter(‘wpr_genposts_listloop’, ‘my_Func’, 10, 5); function my_Func($thisprint, $found_posts, $post, $count, $instance){return $thisprint;}
This filter is within the loop that prints the

tag. $closeprint contains all the closure tags for the $openprint as well as the readmore link/text. $toprint contains everything in between (the result of the query contained in
• tags). $wpQuery contains the WP_Query instance, which can be used for pagination or anything else where the data provided could be useful. To add pagination, something like this would work:
  function homeAddPages($finalprint, $openprint, $toprint, $closeprint, $instance, $postsQ){
  $big = 999999999;
  $cpage = get_query_var('paged')?get_query_var('paged'):0;
  if(!isset($cpage) || $cpage == "" || $cpage === 0){
  $cpage = get_query_var('page')?get_query_var('page'):1;
  }
  $addclose = paginate_links( array(
  'base' => str_replace( $big, '%#%', esc_url( get_pagenum_link( $big ) ) ),
  'format' => '?paged=%#%',
  'current' => max( 1, $cpage),
  'total' => $postsQ->max_num_pages
  ) );
  return $openprint . $toprint . $closeprint . '
  ' . $addclose . '

  ';
  }
  add_filter('wpr_genposts_list_print', 'homeAddPages', 10, 6);
  add_filter('wpr_adjust_genposts_beforewidget', 'my_Func', 10, 3); function my_Func($before_widget, $post_widgeid, $post_widgeclass){return $before_widget;}
  This allows you to modify the before widget string which contains the wrapper div with id and class. You have access to the ID and Class you defined within the widget in order to tell instances apart from each other.
  unction wpr_changeBeforeWidget($before_widget, $post_widgeid, $post_widgeclass){
  if($post_widgeid == 'theothers'){
  return str_replace('class="', 'class="theothersblock ', $before_widget);
  }
  if($post_widgeid == 'thefeatured'){
  return str_replace('class="', 'class="thefeaturedblock ', $before_widget);
  }
  return $before_widget;
  }
  add_filter('wpr_adjust_genposts_beforewidget', 'wpr_changeBeforeWidget', 10, 3);
  add_filter('wpr_adjust_genposts_afterwidget', 'my_Func', 10, 3); function my_Func($after_widget, $post_widgeid, $post_widgeclass){return $after_widget;}
  This is identical to the wpr_adjust_genposts_beforewidget hook except this one allows you to modify the after widget string. These last two allow you direct control over each individual widget container. These before and after strings are set in the register_sidebar function when creating the sidebars, but they are generic for all widgets in that sidebar and WP does not offer any hooks to modify this directly. There is a workaround to add the action for register_sidebar, get the sidebar object and then adjust the $wp_registered_sidebars global, but in order to do this, you would have to know the order id number of the specific widget. Doing it that way can be problematic.

  Instance Variables

  $title = apply_filters( 'widget_title', $instance['title'] );
  $post_amount = $instance['show']; This is the posts per page (total posts to show)
  $post_orderby = $instance['orderby'];
  $post_order = $instance['order'];
  $post_catin = $instance['catin']; Category In
  $post_catout = $instance['catout']; Category Exclude
  $pagecount = $instance['pagecount']; Numer of Posts to show (not used, this is so you can define total posts to query and number to show per tabbed interface which is not implemented in the plugin, but available for hooking)
  $post_taxis = $instance['taxis']; Taxonamy slug
  $post_taxterm = $instance['taxterm']; Taxonomy term ids, comma separated list
  $post_typed = $instance['ptipe'];
  $post_metakey = $instance['metakey'];
  $post_metavalue = $instance['metavalue'];
  $post_comparison = $instance['metacompare']; Meta comparison operator
  $post_widgeid = $instance['widgetidentifier']; Widget Container ID
  $post_widgeclass = $instance['widgetclassifier']; Widget Container Class
  $post_readmoretitle = $instance['readmoretitle'];
  $post_readmorelink = $instance['readmorelink'];

  Plugin site: WorldpressRevolution

  各版本下載點

  • 方法一：點下方版本號的連結下載 ZIP 檔案後，登入網站後台左側選單「外掛」的「安裝外掛」，然後選擇上方的「上傳外掛」，把下載回去的 ZIP 外掛打包檔案上傳上去安裝與啟用。
  • 方法二：透過「安裝外掛」的畫面右方搜尋功能，搜尋外掛名稱「WPR General Posts」來進行安裝。

  （建議使用方法二，確保安裝的版本符合當前運作的 WordPress 環境。

  ---

  1.0.0 | 1.1.0 | 1.2.0 |

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