Related posts:';
var $number = 3;
var $relation = 'categories';
var $poststhname = 'thumbnail';
var $background = '#FFFFFF';
var $hoverbackground = '#EEEEEF';
var $border_color = '#DDDDDD';
var $font_color = '#333333';
var $font_family = 'Arial';
var $font_size = '12';
var $text_length = '100';
var $excerpt_length = '0';
var $custom_field = '';
var $custom_height = '100';
var $custom_width = '100';
var $text_block_height = '75';
var $thsource = 'post-thumbnails';
var $categories_all = '1';
var $devmode = '0';
var $output_style = 'div';
var $post_types = array('post');
var $custom_taxonomies = array();
function RelatedPostsThumbnailsB() { // initialization
load_plugin_textdomain( 'related-posts-thumbnails', false, basename( dirname( __FILE__ ) ) . '/locale' );
$this->default_image = WP_PLUGIN_URL . '/related-posts-thumbnails/img/default.png';
if ( get_option( 'relpoststhb_auto', $this->auto ) )
add_filter( 'the_content', array( $this, 'auto_show' ) );
add_action( 'admin_menu', array( $this, 'admin_menu' ) );
add_shortcode( 'related-posts-thumbnails' , array( $this, 'get_html' ) );
$this->wp_version = get_bloginfo('version');
}
function auto_show( $content ) { // Automatically displaying related posts under post body
return $content . $this->get_html( true );
}
function get_html( $show_top = false ) { // Getting related posts HTML
if ( $this->is_relpoststhb_show() )
return $this->get_thumbnails( $show_top );
return '';
}
function get_thumbnails( $show_top = false ) { // Retrieve Related Posts HTML for output
$output = '';
$debug = 'Developer mode initialisation; Version: 1.2.9;';
$time = microtime(true);
$posts_number = get_option( 'relpoststhb_number', $this->number );
if ( $posts_number <= 0 ) // return nothing if this parameter was set to <= 0
return $this->finish_process( $output, $debug . 'Posts number is 0;', $time );
$id = get_the_ID();
$relation = get_option( 'relpoststhb_relation', $this->relation );
$poststhname = get_option( 'relpoststhb_poststhname', $this->poststhname );
$text_length = get_option( 'relpoststhb_textlength', $this->text_length );
$excerpt_length = get_option( 'relpoststhb_excerptlength', $this->excerpt_length );
$thsource = get_option( 'relpoststhb_thsource', $this->thsource );
$categories_show_all = get_option( 'relpoststhb_show_categoriesall', get_option( 'relpoststhb_categoriesall', $this->categories_all ) );
$onlywiththumbs = ( current_theme_supports( 'post-thumbnails' ) && $thsource == 'post-thumbnails' ) ? get_option( 'relpoststhb_onlywiththumbs', false) : false;
$post_type = get_post_type();
global $wpdb;
/* Get taxonomy terms */
$debug .= "Relation: $relation; All categories: $categories_show_all;";
$use_filter = ( $categories_show_all != '1' || $relation != 'no' );
if ( $use_filter ) {
$query_objects = "SELECT distinct object_id FROM $wpdb->term_relationships WHERE 1=1 ";
if ( $relation != 'no' ) { /* Get object terms */
if ( $relation == 'categories' )
$taxonomy = array( 'category' );
elseif ( $relation == 'tags' )
$taxonomy = array( 'post_tag' );
elseif ( $relation == 'custom') {
$taxonomy = get_option( 'relpoststhb_custom_taxonomies', $this->custom_taxonomies );
}
else {
$taxonomy = array( 'category', 'post_tag' );
}
$object_terms = wp_get_object_terms( $id, $taxonomy, array( 'fields' => 'ids' ) );
if ( empty( $object_terms ) || !is_array( $object_terms ) ) // no terms to get taxonomy
return $this->finish_process( $output, $debug . 'No taxonomy terms to get posts;', $time );
$query = "SELECT term_taxonomy_id FROM $wpdb->term_taxonomy WHERE term_id in ('". implode( "', '", $object_terms ) . "')";
$object_taxonomy = $wpdb->get_results( $query );
$object_taxonomy_a = array();
if ( count( $object_taxonomy ) > 0 ) {
foreach ( $object_taxonomy as $item )
$object_taxonomy_a[] = $item->term_taxonomy_id;
}
$query_objects .= " AND term_taxonomy_id IN ('". implode( "', '", $object_taxonomy_a ) . "') ";
}
if ( $categories_show_all != '1' ) { /* Get filter terms */
$select_terms = get_option( 'relpoststhb_show_categories',
get_option( 'relpoststhb_categories' ) );
if ( empty( $select_terms ) || !is_array( $select_terms ) ) // if no categories were specified intentionally return nothing
return $this->finish_process( $output, $debug . 'No categories were selected;', $time );
$query = "SELECT term_taxonomy_id FROM $wpdb->term_taxonomy WHERE term_id in ('". implode( "', '", $select_terms ) . "')";
$taxonomy = $wpdb->get_results( $query );
$filter_taxonomy_a = array();
if ( count( $taxonomy ) > 0 ) {
foreach ($taxonomy as $item)
$filter_taxonomy_a[] = $item->term_taxonomy_id;
}
if ($relation != 'no') {
$query_objects .= " AND object_id IN (SELECT distinct object_id FROM $wpdb->term_relationships WHERE term_taxonomy_id IN ('". implode( "', '", $filter_taxonomy_a ) . "') )";
}
else {
$query_objects .= " AND term_taxonomy_id IN ('". implode( "', '", $filter_taxonomy_a ) . "')";
}
}
$relationships = $wpdb->get_results( $query_objects );
$related_objects = array();
if ( count( $relationships ) > 0 ) {
foreach ($relationships as $item)
$related_objects[] = $item->object_id;
}
}
$query = "SELECT distinct ID FROM $wpdb->posts ";
$where = " WHERE post_type = '" . $post_type . "' AND post_status = 'publish' AND ID<>" . $id; // not the current post
$startdate = get_option( 'relpoststhb_startdate' );
if ( !empty( $startdate ) && preg_match( '/^\d\d\d\d-\d\d-\d\d$/', $startdate ) ) { // If startdate was set
$debug .= "Startdate: $startdate;";
$where .= " AND post_date >= '" . $startdate . "'";
}
if ( $use_filter ) {
$where .= " AND ID IN ('". implode( "', '", $related_objects ) . "')";
}
$join = "";
if ( $onlywiththumbs ) {
$debug .= "Only with thumbnails;";
$join = " INNER JOIN $wpdb->postmeta ON ($wpdb->posts.ID = $wpdb->postmeta.post_id)";
$where .= " AND $wpdb->postmeta.meta_key = '_thumbnail_id'";
}
$order = " ORDER BY rand() LIMIT " . $posts_number;
$random_posts = $wpdb->get_results( $query . $join . $where . $order );
/* Get posts by their IDs */
if ( !is_array( $random_posts ) || count( $random_posts ) < 1 ) {
return $this->finish_process( $output, $debug . 'No posts matching relationships criteria;', $time );
}
$posts_in = array();
foreach ($random_posts as $random_post)
$posts_in[] = $random_post->ID;
$query = "SELECT ID, post_content, post_excerpt, post_title FROM $wpdb->posts WHERE ID IN ('". implode( "', '", $posts_in ) . "')";
$posts = $wpdb->get_results( $query );
if ( ! ( is_array( $posts ) && count( $posts ) > 0 ) ) { // no posts
$debug .= 'No posts found;';
return $this->finish_process( $output, $debug, $time );
}
else
$debug .= 'Found ' . count( $posts ) . ' posts;';
/* Calculating sizes */
if ( $thsource == 'custom-field' ) {
$debug .= 'Custom sizes;';
$width = get_option( 'relpoststhb_customwidth', $this->custom_width );
$height = get_option( 'relpoststhb_customheight', $this->custom_height );
}
else { // post-thumbnails source
if ( $poststhname == 'thumbnail' || $poststhname == 'medium' || $poststhname == 'large' ) { // get thumbnail size for basic sizes
$debug .= 'Basic sizes;';
$width = get_option( "{$poststhname}_size_w" );
$height = get_option( "{$poststhname}_size_h" );
}
elseif ( current_theme_supports( 'post-thumbnails' ) ) { // get sizes for theme supported thumbnails
global $_wp_additional_image_sizes;
if ( isset( $_wp_additional_image_sizes[ $poststhname ] ) ) {
$debug .= 'Additional sizes;';
$width = $_wp_additional_image_sizes[ $poststhname ][ 'width' ];
$height = $_wp_additional_image_sizes[ $poststhname ][ 'height' ];
}
else
$debug .= 'No additional sizes;';
}
}
// displaying square if one size is not cropping
if ( $height == 9999 )
$height = $width;
if ( $width == 9999 )
$width = $height;
// theme is not supporting but settings were not changed
if ( empty( $width ) ) {
$debug .= 'Using default width;';
$width = get_option( "thumbnail_size_w" );
}
if ( empty( $height ) ) {
$debug .= 'Using default height;';
$height = get_option( "thumbnail_size_h" );
}
$debug .= 'Got sizes '.$width.'x'.$height.';';
// rendering related posts HTML
if ( $show_top )
$output .= stripslashes( get_option( 'relpoststhb_top_text', $this->top_text ) );
$relpoststhb_output_style = get_option( 'relpoststhb_output_style', $this->output_style );
$relpoststhb_cleanhtml = get_option( 'relpoststhb_cleanhtml', 0 );
$text_height = get_option( 'relpoststhb_textblockheight', $this->text_block_height );
if ($relpoststhb_output_style == 'list') {
$output .= 'ID, get_option( 'relpoststhb_customfield', $this->custom_field ), true );
if (strpos($url, '/wp-content') !== false)
$url = substr($url, strpos($url, '/wp-content'));
$theme_resize_url = get_option( 'relpoststhb_theme_resize_url', '' );
if ( !empty( $theme_resize_url ) )
$url = $theme_resize_url . '?src=' . $url . '&w=' . $width . '&h=' . $height . '&zc=1&q=90';
}
else {
$from_post_body = true;
if ( current_theme_supports( 'post-thumbnails' ) ) { // using built in Wordpress feature
$post_thumbnail_id = get_post_thumbnail_id( $post->ID );
$debug .= 'Post-thumbnails enabled in theme;';
if ( !( empty( $post_thumbnail_id ) || $post_thumbnail_id === false ) ) { // post has thumbnail
$debug .= 'Post has thumbnail '.$post_thumbnail_id.';';
$debug .= 'Postthname: '.$poststhname.';';
$image = wp_get_attachment_image_src( $post_thumbnail_id, $poststhname );
$url = $image[0];
$from_post_body = false;
}
else
$debug .= 'Post has no thumbnail;';
}
if ( $from_post_body ) { // Theme does not support post-thumbnails, or post does not have assigned thumbnail
$debug .= 'Getting image from post body;';
$wud = wp_upload_dir();
preg_match_all( '||i', $post->post_content, $matches ); // searching for the first uploaded image in text
if ( isset( $matches ) ) $image = $matches[1][0];
else
$debug .= 'No image was found;';
if ( strlen( trim( $image ) ) > 0 ) {
$image_sizes = @getimagesize( $image );
if ( $image_sizes === false )
$debug .= 'Unable to determine parsed image size';
if ( $image_sizes !== false && isset( $image_sizes[0] ) && $image_sizes[0] == $width ) { // if this image is the same size as we need
$debug .= 'Image used is the required size;';
$url = $image;
}
else { // if not, search for resized thumbnail according to Wordpress thumbnails naming function
$debug .= 'Changing image according to Wordpress standards;';
$url = preg_replace( '/(-[0-9]+x[0-9]+)?(\.[^\.]*)$/', '-' . $width . 'x' . $height . '$2', $image );
}
}
else
$debug .= 'Found wrong formatted image: '.$image.';';
}
$basic_url = $url;
}
if ( strpos( $url, '/' ) === 0 ) {
$debug .= 'Relative url: ' . $url . ';';
$url = $basic_url = get_bloginfo( 'url' ) . $url;
}
$debug .= 'Image URL: '.$url.';';
if ( empty( $basic_url ) ) { // parsed URL is empty or no file if can check
$debug .= 'Image is empty or no file. Using default image;';
$url = get_option( 'relpoststhb_default_image', $this->default_image );
}
$title = $this->process_text_cut( $post->post_title, $text_length );
$post_excerpt = ( empty( $post->post_excerpt ) ) ? $post->post_content : $post->post_excerpt;
$excerpt = $this->process_text_cut( $post_excerpt, $excerpt_length );
if ( !empty( $title ) && !empty( $excerpt ) ) {
$title = '' . $title . '';
$excerpt = '
' . $excerpt;
}
$debug .= 'Using title with size ' . $text_length . '. Using excerpt with size ' . $excerpt_length . ';';
if ($relpoststhb_output_style == 'list') {
$link = get_permalink( $post->ID );
$fontface = str_replace('"', "'", stripslashes( get_option( 'relpoststhb_fontfamily', $this->font_family ) ) );
$output .= '- border_color ) . '; background-color: ' . get_option( 'relpoststhb_background', $this->background ) . '" onmouseout="this.style.backgroundColor=\'' . get_option( 'relpoststhb_background', $this->background ) . '\'" onmouseover="this.style.backgroundColor=\'' . get_option( 'relpoststhb_hoverbackground', $this->hoverbackground ) . '\'"';
$output .= '>';
$output .= '
font_size ) . 'px; line-height: normal; font-size-adjust: none; font-stretch: normal; -x-system-font: none; color: ' . get_option( 'relpoststhb_fontcolor', $this->font_color ) . ';text-decoration: none;"';
$output .= '>' . $title . $excerpt . ' ';
}
}
else {
$output .= '';
$output .= '';
$output .= '
';
$output .= '
' . $title . $excerpt . '
';
$output .= '
';
else
$output .= '';
$output .= '';
return $this->finish_process( $output, $debug, $time );
}
function finish_process( $output, $debug, $time ) {
$devmode = get_option( 'relpoststhb_devmode', $this->devmode );
if ( $devmode ) {
$time = microtime(true) - $time;
$debug .= "Plugin execution time: $time sec;";
$output .= '';
}
return $output;
}
function process_text_cut( $text, $length ) {
if ($length == 0)
return '';
else {
$text = htmlspecialchars( strip_tags( strip_shortcodes( $text ) ) );
if ( function_exists('mb_strlen') ) {
return ( ( mb_strlen( $text ) > $length ) ? mb_substr( $text, 0, $length) . '...' : $text );
}
else {
return ( ( strlen( $text ) > $length ) ? substr( $text, 0, $length) . '...' : $text );
}
}
}
function is_relpoststhb_show() { // Checking display options
if ( !is_single() && get_option( 'relpoststhb_single_only', $this->single_only ) ) { // single only
return false;
}
/* Check post type */
$post_types = get_option( 'relpoststhb_post_types', $this->post_types );
$post_type = get_post_type();
if ( !in_array($post_type, $post_types) ) {
return false;
}
/* Check categories */
$id = get_the_ID();
$categories_all = get_option( 'relpoststhb_categoriesall', $this->categories_all );
if ( $categories_all != '1') { // only specific categories were selected
$post_categories = wp_get_object_terms( $id, array( 'category' ), array( 'fields' => 'ids' ) );
$relpoststhb_categories = get_option( 'relpoststhb_categories' );
if ( !is_array( $relpoststhb_categories ) || !is_array( $post_categories ) ) // no categories were selcted or post doesn't belong to any
return false;
$common_categories = array_intersect( $relpoststhb_categories, $post_categories );
if ( empty( $common_categories ) ) // post doesn't belong to specified categories
return false;
}
return true;
}
function admin_menu() {
$page = add_options_page( __( 'Related Posts Thumbnails', 'related-posts-thumbnails' ), __( 'Related Posts Thumbs', 'related-posts-thumbnails' ), 'administrator', 'related-posts-thumbnails', array( $this, 'admin_interface' ) );
}
function admin_interface() { // Admin interface
if ( isset($_POST['action']) && ($_POST['action'] == 'update') ) {
if ( !current_user_can( 'manage_options' ) ) {
wp_die( __( 'No access', 'related-posts-thumbnails' ) );
}
check_admin_referer( 'related-posts-thumbnails' );
$validation = true;
if ( !empty($_POST['relpoststhb_year']) || !empty($_POST['relpoststhb_month']) || !empty($_POST['relpoststhb_year']) ) { // check date
$set_date = sprintf( '%04d-%02d-%02d', $_POST['relpoststhb_year'], $_POST['relpoststhb_month'], $_POST['relpoststhb_day'] );
if ( checkdate( intval($_POST['relpoststhb_month']), intval($_POST['relpoststhb_day']), intval($_POST['relpoststhb_year']) ) === false ) {
$validation = false;
$error = __( 'Wrong date', 'related-posts-thumbnails' ) . ': ' . sprintf( '%d/%d/%d', $_POST['relpoststhb_month'], $_POST['relpoststhb_day'], $_POST['relpoststhb_year'] );
}
}
else {
$set_date = '';
}
if ( $validation ) {
update_option( 'relpoststhb_single_only', $_POST['relpoststhb_single_only'] );
update_option( 'relpoststhb_post_types', $_POST['relpoststhb_post_types'] );
update_option( 'relpoststhb_onlywiththumbs', $_POST['onlywiththumbs'] );
update_option( 'relpoststhb_output_style', $_POST['relpoststhb_output_style'] );
update_option( 'relpoststhb_cleanhtml', $_POST['relpoststhb_cleanhtml'] );
update_option( 'relpoststhb_auto', $_POST['relpoststhb_auto'] );
update_option( 'relpoststhb_top_text', $_POST['relpoststhb_top_text'] );
update_option( 'relpoststhb_number', $_POST['relpoststhb_number'] );
update_option( 'relpoststhb_relation', $_POST['relpoststhb_relation'] );
update_option( 'relpoststhb_default_image', $_POST['relpoststhb_default_image'] );
update_option( 'relpoststhb_poststhname', $_POST['relpoststhb_poststhname'] );
update_option( 'relpoststhb_background', $_POST['relpoststhb_background'] );
update_option( 'relpoststhb_hoverbackground', $_POST['relpoststhb_hoverbackground'] );
update_option( 'relpoststhb_bordercolor', $_POST['relpoststhb_bordercolor'] );
update_option( 'relpoststhb_fontcolor', $_POST['relpoststhb_fontcolor'] );
update_option( 'relpoststhb_fontsize', $_POST['relpoststhb_fontsize'] );
update_option( 'relpoststhb_fontfamily', $_POST['relpoststhb_fontfamily'] );
update_option( 'relpoststhb_textlength', $_POST['relpoststhb_textlength'] );
update_option( 'relpoststhb_excerptlength', $_POST['relpoststhb_excerptlength'] );
update_option( 'relpoststhb_thsource', $_POST['relpoststhb_thsource'] );
update_option( 'relpoststhb_customfield', $_POST['relpoststhb_customfield'] );
update_option( 'relpoststhb_theme_resize_url', $_POST['relpoststhb_theme_resize_url'] );
update_option( 'relpoststhb_customwidth', $_POST['relpoststhb_customwidth'] );
update_option( 'relpoststhb_customheight', $_POST['relpoststhb_customheight'] );
update_option( 'relpoststhb_textblockheight', $_POST['relpoststhb_textblockheight'] );
update_option( 'relpoststhb_categoriesall', $_POST['relpoststhb_categoriesall'] );
update_option( 'relpoststhb_categories', $_POST['relpoststhb_categories'] );
update_option( 'relpoststhb_show_categoriesall', $_POST['relpoststhb_show_categoriesall'] );
update_option( 'relpoststhb_show_categories', $_POST['relpoststhb_show_categories'] );
update_option( 'relpoststhb_devmode', $_POST['relpoststhb_devmode'] );
update_option( 'relpoststhb_startdate', $set_date );
update_option( 'relpoststhb_custom_taxonomies', $_POST['relpoststhb_custom_taxonomies'] );
echo "" . __( 'Settings updated', 'related-posts-thumbnails' ) ."
" . __( 'Settings update failed', 'related-posts-thumbnails' ) . '. '. $error . "
Plugin\'s homepage. If you think this plugin is awesome please vote on Wordpress plugin page. Thanks!', 'related-posts-thumbnails' ); ?>
/>
style="display:none" >
cat_ID, (array)$selected_categories ) ) echo 'checked="checked"'; ?>/>
get_html();
}
/**
* Related Posts Widget, will be displayed on post page
*/
class RelatedPostsThumbnailsWidgetB extends WP_Widget {
function RelatedPostsThumbnailsWidgetB() {
parent::WP_Widget(false, $name = 'Related Posts Thumbnails B');
}
function widget($args, $instance) {
if ( is_single() && !is_page() ) { // display on post page only
extract( $args );
$title = apply_filters('widget_title', $instance['title']);
echo $before_widget;
if ( $title )
echo $before_title . $title . $after_title;
get_related_posts_thumbnails();
echo $after_widget;
}
}
function update($new_instance, $old_instance) {
$instance = $old_instance;
$instance['title'] = strip_tags($new_instance['title']);
return $instance;
}
function form($instance) {
$title = esc_attr($instance['title']);
?>