source: trunk/wp-content/plugins/xpressme/include/custom_functions.php @ 104

<?php
        
function xpress_credit($show = false)
{
        global $wp_version , $modversion;
        
        $xpress_version = $modversion['version'];
        $xpress_codename = $modversion['codename'];
        $ret = '<a href="http://www.toemon.com"'. " target='_blank'" . '>XPressME Ver.' . sprintf('%.2f %s',$xpress_version,$xpress_codename) .'</a>';
        if (strstr($wp_version,'ME')){
                $ret .= '(included <a href="http://wpme.sourceforge.jp/" title="Powered by WordPress"'." target='_blank'". '>WordPress ' . $wp_version . '</a>)';
        } else {
                $ret .= '(included <a href="http://ja.wordpress.org/" title="Powered by WordPress"'." target='_blank'". '>WordPress ' . $wp_version . '</a>)';
        }

        if (empty($show))
                return $ret;
        else
                echo $ret;
}

function xpress_convert_time($show = false)
{
        $ret =  timer_stop(0) .'sec. ';
        if (empty($show))
                return $ret;
        else
                echo $ret;
}

function xpress_is_theme_sidebar_disp(){
        global $XPressME;
        return $XPressME->is_theme_sidebar_disp;
}       

function xpress_left_arrow_post_link($show = false)
{
        global $XPressME;
        $ret = '';
                
        if($XPressME->is_left_postnavi_old){
                $link_title = $XPressME->old_post_link_text;
                ob_start();
                if ($XPressME->is_postnavi_title_disp)
                        previous_post_link('&laquo; %link');
                else 
                        previous_post_link('&laquo; %link',$link_title);
                $ret = ob_get_contents();
                ob_end_clean();
        } else {
                $link_title = $XPressME->newer_post_link_text;
                ob_start();
                if ($XPressME->is_postnavi_title_disp)
                        next_post_link('&laquo; %link');
                else
                        next_post_link('&laquo; %link',$link_title);
                $ret = ob_get_contents();
                ob_end_clean();
        }
        
        if ($XPressME->is_postnavi_title_disp){
                $on_mouse_show = $link_title;
        } else  {
                if($XPressME->is_left_postnavi_old){
                        ob_start();
                                previous_post_link('%link');
                                $on_mouse_show = ob_get_contents();
                        ob_end_clean();
                } else {
                        ob_start();
                                next_post_link('%link');
                                $on_mouse_show = ob_get_contents();
                        ob_end_clean();
                }
                $pattern = "<a[^>]*?>(.*)<\/a>";
                preg_match("/".$pattern."/s",  $on_mouse_show, $body_matches);
                $on_mouse_show = $body_matches[1];
        }
        $ret = str_replace('">','" title="'.$on_mouse_show . '">' , $ret);

        if (empty($show))
                return $ret;
        else
                echo $ret;
}

function xpress_right_arrow_post_link($show = false)
{
        global $XPressME;
        $ret = '';              
        
        if($XPressME->is_left_postnavi_old){
                $link_title = $XPressME->newer_post_link_text;
                ob_start();
                if ($XPressME->is_postnavi_title_disp)
                        next_post_link('%link &raquo;');
                else
                        next_post_link('%link &raquo;',$link_title);
                $ret = ob_get_contents();
                ob_end_clean();
        } else {
                $link_title = $XPressME->old_post_link_text;
                ob_start();
                if ($XPressME->is_postnavi_title_disp)
                        previous_post_link('%link &raquo;');
                else 
                        previous_post_link('%link &raquo;',$link_title);
                $ret = ob_get_contents();
                ob_end_clean();
        }
        
        if ($XPressME->is_postnavi_title_disp){
                $on_mouse_show = $link_title;
        } else  {
                if($XPressME->is_left_postnavi_old){
                        ob_start();
                                next_post_link('%link');
                                $on_mouse_show = ob_get_contents();
                        ob_end_clean();
                } else {
                        ob_start();
                                previous_post_link('%link');
                                $on_mouse_show = ob_get_contents();
                        ob_end_clean();
                }
                $pattern = "<a[^>]*?>(.*)<\/a>";
                preg_match("/".$pattern."/s",  $on_mouse_show, $body_matches);
                $on_mouse_show = $body_matches[1];
        }
        $ret = str_replace('">','" title="'.$on_mouse_show . '">' , $ret);

        if (empty($show))
                return $ret;
        else
                echo $ret;      
}

function xpress_is_author_view_count(){
        global $XPressME;
        return $XPressME->is_author_view_count;
}

function xpress_substr($str, $start, $length, $trimmarker = '...')
{
    if (function_exists('mb_substr')){
        $str2 = mb_substr( $str , $start , $length);
        return $str2 . ( mb_strlen($str)!=mb_strlen($str2) ? $trimmarker : '' );
    } else {
        return ( strlen($str) - $start <= $length ) ? substr( $str, $start, $length ) : substr( $str, $start, $length - strlen($trimmarker) ) . $trimmarker;
    }
}


// views count
// Set and retrieves post views given a post ID or post object. 
// Retrieves post views given a post ID or post object. 
function xpress_post_views_count($post_id=0,$format= '',$show = true) {
        global $xoops_db,$wpdb;

        static $post_cache_views;

        if ( empty($post_id) ) {
                if ( isset($GLOBALS['post']) )
                        $post_id = $GLOBALS['post']->ID;
        }

        $post_id = intval($post_id);
        if($post_id==0) return null;
        if(!isset($post_cache_views[$post_id])){
        $sql = "SELECT post_views FROM " . get_wp_prefix() . "views" . " WHERE post_id=$post_id";
        $post_views = $xoops_db->get_var($sql);
        if (!$post_views) {
                $post_cache_views[$post_id] = 0;
        }else{
                $post_cache_views[$post_id] = $post_views;
        }
        }
        $v_count = intval($post_cache_views[$post_id]);
        
        if (empty($format)) $format = __('views :%d','xpressme');
        
        $ret = sprintf($format,$v_count);

        if ($show) echo $ret; else return $ret;
}

function set_post_views_count(&$content) {
        if ( empty($_GET["feed"]) &&  empty($GLOBALS["feed"]) && empty($GLOBALS["doing_trackback"]) && empty($GLOBALS["doing_rss"]) && empty($_POST) && is_single() ){
                post_views_counting();
        }
        return $content;
}

// Set post views given a post ID or post object. 
function post_views_counting($post_id = 0) {
        global $xoops_db,$wpdb;
        global $table_prefix;
        static $views;
        
        $post_id = intval($post_id);
        if ( empty($post_id) && isset($GLOBALS['post']) ){
                $post_id = $GLOBALS['post']->ID;
        }


        $views_db = get_wp_prefix() . 'views';

        if($post_id==0 || !empty($views[$post_id])) return null;
        
        if(!xpress_is_author_view_count()){
                $current_user_id = $GLOBALS['current_user']->ID;
                $post_author_id = $GLOBALS['post']->post_author;
                if ($current_user_id ==$post_author_id) return null;
        }

    $sql = "SELECT post_views FROM " . $views_db . " WHERE post_id=$post_id";
        $post_views_found = $xoops_db->get_var($sql);
        if($post_views_found){
        $sql = "UPDATE " . $views_db . " SET post_views=post_views+1 WHERE post_id=$post_id";
    }else{
        $sql = "INSERT INTO " . $views_db . " (post_id, post_views) VALUES ($post_id, 1)";
    }
    $xoops_db->query($sql);
        return true;
}

function xpress_the_content($more_link_text = '',$excerpt_size = 0,$show = true)
{
        $content = get_the_content();   
        if($excerpt_size > 0) {

                $content = apply_filters('the_excerpt_rss', $content);
                $content = strip_tags($content);

                if (mb_strlen($content) > $excerpt_size){ 
                        $content = mb_substr($content, 0, $excerpt_size); 
                        $content .= '... ';
                        if (!empty($more_link_text)) $content .= '<p align="center"><a href="'. get_permalink() . "\">".$more_link_text .'</a></p>';
                }
        }
        if(empty($show)) return $content;
        echo $content;
}

?>