source: trunk/wp-content/plugins/xpressme/include/custom_functions.php @ 75

<?php
        
function xpress_credit($show = false)
{
        global $xoopsModule,$wp_version;
        
        $ret = '<a href="http://www.toemon.com"'. " target='_blank'" . '>XPressME Ver.' . sprintf('%.2f %s',$xoopsModule->getInfo('version'),$xoopsModule->getInfo('codename')) .'</a>';
        if (strstr($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;
    }
}
// xoops db
function get_xpress_dir_path()
{
        return ABSPATH;
}

function get_xpress_dir_name()
{
        return basename(ABSPATH);
}

function get_wp_prefix_only()
{
        $dir_name = get_xpress_dir_name();
        $prefix = $dir_name;
        if ($prefix == 'wordpress') $prefix = 'wp';
        
        $prefix = $prefix . '_';
        return $prefix;
}

function get_xoops_prefix()
{
        $ret =XOOPS_DB_PREFIX . '_';
        return $ret;
}
function get_wp_prefix()
{
        $prefix = get_xoops_prefix() . get_wp_prefix_only();
        return $prefix;
}

function get_xpress_modid()
{
        global $xoops_db;
        
        $modulename = get_xpress_dir_name();    
        $sql = "SELECT mid FROM " . get_xoops_prefix() . "modules WHERE dirname = '$modulename'";
        $mid = $xoops_db->get_var($sql);
        return $mid;    
}

function block_cache_refresh()
{
        global $xoops_db;
        $mid = get_xpress_modid();
        $sql = "SELECT bid,options,func_file FROM " . get_xoops_prefix() . "newblocks WHERE mid = $mid";
        $blocks = $xoops_db->get_results($sql);
        $mydirname = get_xpress_dir_name();
        require_once get_xpress_dir_path() . '/include/xpress_block_render.php';


        foreach($blocks as $block){
                $func_file = $block->func_file;
                $call_theme_function_name = str_replace(".php", "", $func_file);
                $inc_theme_file_name = str_replace(".php", "", $func_file) . '_theme.php';
                $cache_title = str_replace(".php", "", $func_file);
                $blockID = $block->bid;
                $options = explode("|", $block->options);
                                        
                $block_theme_file = get_block_file_path($mydirname,$inc_theme_file_name);
                require_once $block_theme_file;
                $block_render = $call_theme_function_name($options);            //The block name and the called function name should be assumed to be the same name.                    
                $xml['block'] = $block_render;
                xpress_block_cache_write($mydirname,$cache_title. $blockID, $xml);
        }
}

// 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 $table_prefix;
        static $views;
        
        $post_id = intval($post_id);
        if ( empty($post_id) && isset($GLOBALS['post']) ){
                $post_id = $GLOBALS['post']->ID;
        }


        $views_db = $table_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";
    $exist = false;
    if ($result = $GLOBALS["xoopsDB"]->query($sql)) {
        while($row = $GLOBALS["xoopsDB"]->fetchArray($result)){
                $exist = true;
                break;
        }
        }
        if($exist){
        $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)";
    }
    if ($result = $GLOBALS["xoopsDB"]->queryF($sql)) {
        $views[$post_id] = 1;
    }
    
        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;
}

?>