source: branches/Ver2.4/xpressme_integration_kit/include/xpress_block_header.php

<?php
if(!defined('XPRESS_BLOCK_HEADER_FUNCTION_READ')){
        define('XPRESS_BLOCK_HEADER_FUNCTION_READ',1);
        require_once dirname( __FILE__ ) .'/xml.php' ;
        require_once dirname( __FILE__ ) .'/xpress_cache.php' ;
        global $xoops_config;
        
        if (!is_object($xoops_config)){ // is call other modules
                require_once dirname(dirname( __FILE__ )) .'/class/config_from_xoops.class.php' ;
                $xoops_config = new ConfigFromXoops;
        }
        
        function xpress_block_header_cash_write($mydirname,$block_header)
        {
                        $xml = xpress_XML_serialize($block_header);
                        $xml_name = 'block_header.xml';
                        if (WPLANG == 'ja_EUC'){
                                $xml = str_replace('<?xml version="1.0" ?>', '<?xml version="1.0" encoding="EUC-JP" ?>' , $xml);
                        }
                        if(cache_is_writable())
                                xpress_cache_write($mydirname,$xml_name,$xml);
        }
        function xpress_block_header_cache_read($mydirname)
        {
                $xml_name = 'block_header.xml';
                $xml_data = xpress_cache_read($mydirname,$xml_name);
                
                $GLOBALS['DO_LIBXML_PATCH'] = get_xpress_mod_config($mydirname,'libxml_patch');
                
                // The character-code not treatable exists when 'XML_unserialize' of PHP5 processes EUC-JP. 
                // And, the result is returned by character-code UTF-8. 
                // Measures
                // After the character-code is converted into UTF-8, XML_unserialize will be processed. 
                if ( strstr($xml_data, '<?xml version="1.0" encoding="EUC-JP" ?>') !== false
                         && version_compare(PHP_VERSION, '5.0.0', '>') )
                {
                        $xml_data = str_replace('<?xml version="1.0" encoding="EUC-JP" ?>', '<?xml version="1.0" encoding="UTF-8" ?>', $xml_data);
                        $ans = mb_convert_variables('UTF-8' , 'EUC-JP', $xml_data); //EUC-JP to UTF-8
                        $ret = @xpress_XML_unserialize($xml_data);
                        $ans = mb_convert_variables('EUC-JP' , 'UTF-8', $ret); //UTF-8 to EUC-JP
                } else {
                        $ret = xpress_XML_unserialize($xml_data);
                }
                return $ret;
        }
        function get_block_stylesheet_url($mydirname)
        {
                global $xoops_config;
                $mydirpath = $xoops_config->xoops_root_path . '/modules/' . $mydirname;
                $select_theme = get_xpress_theme_name($mydirname);
                $style_file = $mydirpath . '/wp-content/themes/' . $select_theme . '/blocks/block_style.css';
                if (file_exists($style_file))
                        return $xoops_config->xoops_url . '/modules/' .$mydirname . '/wp-content/themes/' . $select_theme . '/blocks/block_style.css';
                else    
                        return $xoops_config->xoops_url . '/modules/' .$mydirname . '/wp-content/themes/xpress_default/blocks/block_style.css';
        }

        function set_xpress_block_header($mydirname)
        {
                ob_start();     
                        bloginfo('stylesheet_url');
                        $stylesheet_link = "\t".'<link rel="stylesheet" href="' . ob_get_contents() . '" type="text/css" media="screen" />';
                ob_end_clean();
                $block_stylesheet_link = "\t".'<link rel="stylesheet" href="' . get_block_stylesheet_url($mydirname) . '" type="text/css" media="screen" />';

                ob_start();     
                        $now_ob_level = ob_get_level();         
                        wp_head();
                        ob_end_flush_child($now_ob_level);
                        $header_str = ob_get_contents();
                ob_end_clean();
                
                if(function_exists('_admin_bar_bump_cb')){
                        //remove admin_bar_bump_cb
                        ob_start();
                                _admin_bar_bump_cb();
                                $admin_bar_bump_cb_str = ob_get_contents();
                        ob_end_clean();
                        $header_str = str_replace_ex($admin_bar_bump_cb_str,'',$header_str);
                }
                
                if(function_exists('wp_admin_bar_header')){             
                        //remove wp_adminbar_header
                        ob_start();
                                wp_admin_bar_header();
                                $wp_admin_bar_header_str = ob_get_contents();
                        ob_end_clean();
                        $header_str = str_replace_ex($wp_admin_bar_header_str,'',$header_str);
                }
                
                $pattern = '<\s*link\s+rel\s*=[^>]*?>';
                $header_str = preg_replace("/".$pattern."/s" , '' , $header_str);
                $pattern = '<\s*meta\s+name\s*=[^>]*?>';
                $header_str = preg_replace("/".$pattern."/i" , '' , $header_str);
//              $pattern = "<style type.*<\/style>";
//              $header_str = preg_replace("/".$pattern."/s" , '' , $header_str);
                $pattern = "^\s*\n";
                $header_str = preg_replace("/".$pattern."/m" , '' , $header_str);
                $pattern = "^";
                $header_str = preg_replace("/".$pattern."/m" , "\t" , $header_str);
                
                ob_start();
                        global $show_admin_bar;
                        $show_admin_bar = false;        //remove adminbar
                        wp_footer();
                        $footer_str = ob_get_contents();
                ob_end_clean();
                $pattern = "^";
                $footer_str = preg_replace("/".$pattern."/m" , "\t" , $footer_str);
                
                $block_header  = "<!-- XPressME added block header -->\n";
                $block_header .= "\t<!-- from bloginfo('stylesheet_url') -->\n";
                $block_header .= $stylesheet_link ."\n";
                $block_header .= $block_stylesheet_link ."\n";
                $block_header .= "\t<!-- from wp_head() -->\n";
                $block_header .= $header_str ."\n";
                $block_header .= "\t<!-- from wp_footer() -->\n";
                $block_header .= $footer_str ."\n";
                $block_header .= "<!-- end of XPressME added block header -->\n";
                $data = array();
                $data['block_header']= $block_header;
                xpress_block_header_cash_write($mydirname,$data);
        }
        
        function str_replace_ex($regx,$replace,$str){
                
                if (empty($regx)) return $str;
                $pattern = preg_quote($regx,'/');
                if (preg_match('/\r/',$pattern)){
                                $pattern=preg_replace('/\r/','\\r',$pattern);
                }               
                if (preg_match('/\n/',$pattern)){
                                $pattern=preg_replace('/\n/','\\n',$pattern);
                }
                if (preg_match('/\t/',$pattern)){
                                $pattern=preg_replace('/\t/','\\t',$pattern);
                }
                $pattern = '/'. $pattern . '/';
                if (preg_match($pattern,$str)){
                        $str=preg_replace($pattern,$replace,$str);
                }
                return $str;
        }

}       
?>