this is my common.php file which is used for include all the header and declare all the functions need for the site: [code]<?php if (defined('_COMMON_INC') ) return ; define ('_COMMON_INC', 1); ini_set("session.gc_maxlifetime","86400"); ini_set("session.use_trans_sid","Off"); session_start(); ini_set("variables_order", "EGPCS"); ini_set("safe_mode_gid","On"); error_reporting (E_ALL ^ E_NOTICE ); include("include/config.php"); include(_VNESHOP_ROOT_PATH . "/include/antiflood.php"); include(_VNESHOP_ROOT_PATH . "/adodb/adodb.inc.php"); include(_VNESHOP_ROOT_PATH . "/include/time.php"); include(_VNESHOP_ROOT_PATH . "/include/page_list.php"); include(_VNESHOP_ROOT_PATH . "/include/common_action.php"); include(_VNESHOP_ROOT_PATH . "/language/language.php"); $ADODB_FETCH_MODE = ADODB_FETCH_ASSOC; $db = &ADONewConnection('mysql'); $db->PConnect($DATABASE_HOST, $DATABASE_USER, $DATABASE_PASSWORD, $DATABASE_NAME); init_config(); function tohtml($strValue) { return htmlspecialchars($strValue); } function tourl($strValue) { return urlencode($strValue); } function get_param($param_name) { global $HTTP_POST_VARS; global $HTTP_GET_VARS; $param_value = ""; if(isset($HTTP_POST_VARS[$param_name])) $param_value = $HTTP_POST_VARS[$param_name]; else if(isset($HTTP_GET_VARS[$param_name])) $param_value = $HTTP_GET_VARS[$param_name]; return $param_value; } function get_session($param_name) { if (isset($_SESSION[$param_name])) $param_value = $_SESSION[$param_name]; else $param_value=""; return $param_value; } function set_session($param_name, $param_value) { if (isset($_SESSION[$param_name])) unset($_SESSION[$param_name]); $_SESSION[$param_name] = $param_value; } function is_number($string_value) { if(is_numeric($string_value) || !strlen($string_value)) return true; else return false; } function tosql($value, $type) { if($value == "") return "NULL"; else if($type == "Number") return str_replace (",", ".", doubleval($value)); else { if(get_magic_quotes_gpc() == 0) { $value = str_replace("'","''",$value); $value = str_replace("\\","\\\\",$value); } else { $value = str_replace("\\'","''",$value); $value = str_replace("\\\"","\"",$value); } return "'" . $value . "'"; } } function strip($value) { if(get_magic_quotes_gpc() == 0) return $value; else return stripslashes($value); } function stripc(&$value) { if (!is_array($value)) $value = stripcslashes($value); else array_walk($value, "stripc"); } function Stripc_var() { $resarray = array(); foreach (func_get_args() as $outvar) { stripc($outvar); $resarray[] = $outvar; } if (func_num_args() == 1) { return $resarray[0]; } else { return $resarray; } } function get_current_var($name) { $var = get_session(_PREFIX . $name); return $var; } function get_session_var($name) { $var = get_session(_PREFIX . $name); return $var; } function set_session_var($name, $value) { set_session(_PREFIX . $name, $value); } function get_current_language() { $lang = $_COOKIE[_PREFIX . "lang_id"]; return $lang; } function get_condb() { global $db; return $db; } function get_module_name() { global $module_name; return $module_name; } function get_module_dir() { global $module_dir; if (!strlen($module_dir)) { $module_name = get_module_name(); $module_dir = "modules/" . $module_name; } return $module_dir; } function check_authority($auth_level) { $right = get_current_var("User_Right"); if ($right >= $auth_level) return true; else return false; } function check_security($security_level) { global $User_Right; if(!session_is_registered(_PREFIX . "User_ID")) header ("Location: Login.php?querystring=" . urlencode(getenv("QUERY_STRING")) . "&ret_page=" . urlencode(getenv("REQUEST_URI"))); else if( (!session_is_registered(_PREFIX . "User_Right") )|| ( ($UserRights=get_session(_PREFIX . "User_Right")) < $security_level) ) header ("Location: Login.php?querystring=" . urlencode(getenv("QUERY_STRING")) . "&ret_page=" . urlencode(getenv("REQUEST_URI"))); } function check_permit($member_id, $permit) { if (check_authority(_MOD_LEVEL)) return true; else { $db = get_condb(); $rs = $db->Execute("SELECT * FROM member_permit WHERE member_id='" . $member_id . "' AND permit='" . $permit. "'"); return ($rs->RecordCount())?true : false; } } function init_config() { global $config_tb; $config_tb = get_session("config_tb"); if (!is_array($config_tb)) { $db = get_condb(); $config_tb = array(); $rs = $db->Execute("SELECT name, value FROM config"); while (!$rs->EOF) { $config_tb[$rs->fields["name"]] = $rs->fields["value"]; $rs->MoveNext(); } init_module_config(); set_session("config_tb", $config_tb); } } function init_module_config($module="default") { global $config_tb; if ($config_tb[$module . "_menu"]) { $config_tb["center_menu"] = unserialize($config_tb[$module . "_center_menu"]); $config_tb["left_menu"] = unserialize($config_tb[$module . "_left_menu"]); $config_tb["right_menu"] = unserialize($config_tb[$module . "_right_menu"]); } else { $db = get_condb(); $pos_arr = array("left","right","center"); $rs_func = $db->Execute("SELECT * FROM sys_module_func"); $func_arr = $rs_func->GetAssoc(); foreach ($pos_arr as $key=>$pos) { $sql = "SELECT * FROM menu INNER JOIN sys_module ON menu.module_id=sys_module.module_id WHERE sys_module.module_name='" . $module . "' AND menu.position='" . $pos . "' AND menu.is_active=1 "; $rs = $db->Execute($sql); if ($rs->RecordCount()) { $value = $rs->fields["value"]; if ($value) { $value_arr = explode("|",$value); $arr = array(); for($i=0, $max=count($value_arr); $i < $max; $i++) { $arr[$i]["func_name"] = $value_arr[$i]; $arr[$i]["func_file"] = $func_arr[$value_arr[$i]]["func_file"]; $arr[$i]["is_active"] = $func_arr[$value_arr[$i]]["is_active"]; $arr[$i]["title"] = translate($func_arr[$value_arr[$i]]["title"],$lang); } $arr["size"] = count($value_arr); $config_tb[$module . "_" . $pos . "_menu"] = serialize($arr); unset($arr,$value_arr); } } else { $config_tb[$module . "_" . $pos . "_menu"] = $config_tb["default_" . $pos . "_menu"]; } } $config_tb["center_menu"] = unserialize($config_tb[$module . "_center_menu"]); $config_tb["left_menu"] = unserialize($config_tb[$module . "_left_menu"]); $config_tb["right_menu"] = unserialize($config_tb[$module . "_right_menu"]); $config_tb[$module . "_menu"] = 1; set_session("config_tb", $config_tb); } } function get_config($name) { global $config_tb; return $config_tb[$name]; } function get_theme_name() { global $theme_name; return $theme_name; } function Theme_load($theme) { global $barcolor , $linkcolor , $vlinkcolor, $alinkcolor, $textcolor , $bgcolor , $title_bar_color ; global $bgImage , $big_bar_image ,$bar_image, $top_left_image ; global $screen_width, $left_width, $center_width, $right_width; global $bgcolor1, $bgcolor2; global $index_bar_image1, $index_bar_image2, $index_bar_image3, $index_bar_image4; global $theme_name; global $banner; $include_path = _VNESHOP_ROOT_PATH . "/theme/" . $theme . "/theme.php"; $default_path = _VNESHOP_ROOT_PATH . "/theme/default/theme.php"; $theme_name = $theme; if (!file_exists($include_path)) { echo $include_path; $include_path = $default_path; $theme_name = "default"; } include($include_path); } function fnMail($to, $subject, $message, $headers="", $debug=0) { $headers .= "\n Content-Type: text/html; charset=utf-8"; if ($debug) { echo "Mail To: ".$to."<br>"; echo "Mail Subject: ".$subject."<br>"; echo "Mail Message: ".$message."<br>"; echo "Mail Headers: ".$headers."<br>"; } $return = @mail($to, $subject, $message, $headers); return $return; } function Clean_input() { $ret_array = array(); foreach(func_get_args() as $var) { $outvar = htmlentities($var); array_push($ret_array, $outvar); } if (func_num_args() == 1) { return $ret_array[0]; } else { return $ret_array; } } ?>[/code] This works in my friend machine but not for me : My machine : Ubuntu 6.06.1 Apache2 2.0.55 php5 5.1.2 mysql 5.0.22 The error is Fatal error: Cannot redeclare tohtml() (previously declared in /home/chop/Web/Website/include/common.php:21) in /home/chop/Web/Website/include/common.php on line 23