global.php

自己写的一个网络日志(BLOG)系统

		"FormCheck('\\1','\\2','\\3')",
		$output
	);
	ob_end_clean();
	echo ObContents($output);
	ObFlush();
	exit;
}
function FormCheck($pre,$url,$add){
	return '<form'.stripslashes($pre).' action="'.EncodeUrl($url).'&"'.stripslashes($add).'>';
}
function EncodeUrl($url){
	global $db_hash,$admin_name,$admin_gid;
	$url_a = substr($url,strrpos($url,'?')+1);
	$commer = '';
	if (strpos($url,'&')!==false) {
		substr($url,-1)!='&' && $commer = '&';
	} else {
		substr($url,-1)!='?' && $commer = '?';
	}
	parse_str($url_a,$url_a);
	$source = '';
	foreach ($url_a as $key => $value) {
		$source .= $key.$value;
	}
	$url .= $commer.'verify='.substr(md5($source.$admin_name.$admin_gid.$db_hash),0,8);
	return $url;
}
function PostCheck($verify){
	global $db_hash,$admin_name,$admin_gid;
	$source = '';
	foreach ($_GET as $key => $value) {
		$key!='verify' && $source .= $key.$value;
	}
	$verify!=substr(md5($source.$admin_name.$admin_gid.$db_hash),0,8) && usermsg('illegal_request');
	return true;
}
function StrCode($string,$action='ENCODE'){
	$key	= substr(md5($_SERVER["HTTP_USER_AGENT"].$GLOBALS['db_hash']),8,18);
	$action == 'DECODE' && $string = base64_decode($string);
	$len	= strlen($key); $code = '';
	for ($i=0; $i<strlen($string); $i++) {
		$k		= $i % $len;
		$code  .= $string[$i] ^ $key[$k];
	}
	$action == 'ENCODE' && $code = base64_encode($code);
	return $code;
}
function Pcv($filename,$ifcheck = true){
	(preg_match('/http(s)?:\/\//i',$filename) || ($ifcheck && strpos($filename,'..')!==false)) && exit('Forbidden');
	return $filename;
}
function Ipban(){
	global $db_ipban,$onlineip;
	if ($db_ipban) {
		$baniparray = explode(',',$db_ipban);
		foreach ($baniparray as $banip) {
			if (!$banip) continue;
			$banip = trim($banip);
			(strpos(','.$onlineip.'.',','.$banip.'.')!==false) && usermsg('ip_ban');
		}
	}
	return true;
}
function usermsg($msg,$jumpurl = null,$t = 2){
	@extract($GLOBALS, EXTR_SKIP);
	require_once GetLang('msg');
	if ($msg == 'undefined_action') {
		$jumpurl = $admin_file;
	}
	$lang[$msg] && $msg = $lang[$msg];
	include PrintEot('usermsg');footer();
}
function GetCookie($Var){
	return $_COOKIE[CookiePre().'_'.$Var];
}
function Cookie($ck_Var,$ck_Value,$ck_Time='F',$httponly = true){
	global $timestamp,$db_ckpath,$db_ckdomain,$islocalhost;
	if ($islocalhost) {
		$db_ckpath = '/'; $db_ckdomain = '';
	} else {
		if (!$db_ckdomain) {
			$pre_host = strtolower(substr($_SERVER['HTTP_HOST'],0,strpos($_SERVER['HTTP_HOST'],'.'))+1);
			$db_ckdomain = substr($_SERVER['HTTP_HOST'],strpos($_SERVER['HTTP_HOST'],'.')+1);
			$db_ckdomain = '.'.((strpos($db_ckdomain,'.')===false) ? $_SERVER['HTTP_HOST'] : $db_ckdomain);
			if (strpos($B_url,$pre_host)!==false) {
				$db_ckdomain = $pre_host.$db_ckdomain;
			}
		}
	}
	if ($ck_Time=='F') {
		$ck_Time = $timestamp+31536000;
	} else {
		($ck_Value=='' && $ck_Time==0) && $ck_Time = $timestamp-31536000;
	}
	if (version_compare(PHP_VERSION, '5.2.0', '>=')) {
		return setcookie(CookiePre().'_'.$ck_Var, $ck_Value, $ck_Time, $db_ckpath, $db_ckdomain, GetSecure(), $httponly);
	} else {
		return setcookie(CookiePre().'_'.$ck_Var, $ck_Value, $ck_Time, $db_ckpath.($httponly ? '; HttpOnly' : ''), $db_ckdomain, GetSecure());
	}
}
function CookiePre(){
	return substr(md5($GLOBALS['db_hash']),0,5);
}
function GetSecure(){
	$https = array();
	$_SERVER['REQUEST_URI'] && $https = @parse_url($_SERVER['REQUEST_URI']);
	if (empty($https['scheme'])) {
		if ($_SERVER['HTTP_SCHEME']) {
			$https['scheme'] = $_SERVER['HTTP_SCHEME'];
		} else {
			$https['scheme'] = ($_SERVER['HTTPS'] && strtolower($_SERVER['HTTPS']) != 'off') ? 'https' : 'http';
		}
	}
	if ($https['scheme'] == 'https'){
		return true;
	}
	return false;
}
function GetLang($lang,$EXT='php'){
	global $tplpath;
	!file_exists(R_P."template/$tplpath/user/cp_lang_$lang.$EXT") && $tplpath = 'default';
	return R_P."template/$tplpath/user/cp_lang_$lang.$EXT";
}
function PrintEot($template,$EXT="htm"){
	global $tplpath;
	!file_exists(R_P."template/$tplpath/user/$template.$EXT") && $tplpath = 'default';
	return R_P."template/$tplpath/user/$template.$EXT";
}
function ObFlush(){
	if (php_sapi_name() != 'apache2handler' && php_sapi_name() != 'apache2filter') {
		ObGetMode() == 1 ? ob_flush() : flush();
	}
    return true;
}
function ObStart(){
	ObGetMode() == 1 ? ob_start('ob_gzhandler') : ob_start();
    return true;
}
function ObContents($output){
	$returntext = $output;
	if (ObGetMode() == 1 && function_exists('crc32') && function_exists('gzcompress') && $_SERVER['HTTP_ACCEPT_ENCODING']) {
		$encoding = '';
		if (strpos(' '.$_SERVER['HTTP_ACCEPT_ENCODING'],'x-gzip') !== false) {
			$encoding = 'x-gzip';
		}
		if (strpos(' '.$_SERVER['HTTP_ACCEPT_ENCODING'],'gzip') !== false) {
			$encoding = 'gzip';
		}
		if ($encoding) {
			header('Content-Encoding: '.$encoding);
			if (false && function_exists('gzencode')) {
				$returntext = gzencode($output,1);
			} else {
				$size = strlen($output);
				$crc = crc32($output);
				$returntext  = "\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\xff";
				$returntext .= substr(gzcompress($output,1),2,-4);
				$returntext .= pack('V', $crc);
				$returntext .= pack('V', $size);
			}
		}
	}
    return $returntext;
}
function ObGetMode(){
	global $ob_check;
	$mode = 0;
	if ($ob_check && $GLOBALS['db_obstart']==1 && function_exists('ob_gzhandler')) {
		if (ini_get('output_handler') == 'ob_gzhandler') {
			$mode = 0;
		} elseif (function_exists('ob_get_level') && ob_get_level() > 0) {
			$mode = 0;
		} else {
			$mode = 1;
		}
	}
	return $mode;
}
function Strip_S(&$array){
	if (is_array($array)) {
		foreach ($array as $key => $value) {
			if (!is_array($value)) {
				$array[$key] = stripslashes($value);
			} else {
				Strip_S($array[$key]);
			}
		}
	}
}
function Add_S(&$array){
	if (is_array($array)) {
		array_map('Add_S',&$array);
	} else {
		$array = addslashes($array);
	}
}





function forumoption($catetype,$cid=''){
	@include(D_P.'data/cache/forum_cache_'.$catetype.'.php');
	$catetype = ${'_'.strtoupper($catetype)};
	$forumcache = '';
	foreach ($catetype as $value) {
		$add = '';
		$value['name'] = preg_replace("/\<(.+?)\>/eis",'',$value['name']);
		for ($i=0;$i<$value['type'];$i++) {
			$add .= '>';
		}
		$selected	 = ($cid && $value['cid'] == $cid) ? ' SELECTED' : '';
		$forumcache .= '<option value="'.$value['cid'].'"'.$selected.'>'.$add.' '.$value['name'].'</option>';
	}
	return $forumcache;
}function itemtypeoption($uid,$type,$typeid=''){
	global $db;

	$itemtypeoption='';
	$query = $db->query("SELECT typeid,name FROM pw_itemtype WHERE uid='$uid' AND type='$type' ORDER BY vieworder ASC");
	while ($rt = $db->fetch_array($query)){
		if($typeid && $rt['typeid'] == $typeid){
			$itemtypeoption .= "<option value='$rt[typeid]' selected>$rt[name]</option>";
		}else{
			$itemtypeoption .= "<option value='$rt[typeid]'>$rt[name]</option>";
		}
	}
	return $itemtypeoption;
}function ifcheck($var,$out){
	global ${$out.'_Y'},${$out.'_N'};
	empty($var) ? ${$out.'_N'}='CHECKED' : ${$out.'_Y'} = 'CHECKED';
}




function checkselid($selid){
	if(is_array($selid)){
		$extra=$ret='';
		foreach($selid as $key => $value){
			if(!is_numeric($value)) return;
			$ret.=$extra.$value;  $extra=',';
		}
		return $ret;
	} else{
		return;
	}
}
function ObHeader($URL){
	global $db_obstart,$db_blogurl,$db_htmifopen;
	($db_htmifopen && strtolower(substr($URL,0,4))!='http') && $URL = $db_blogurl.'/'.$URL;
	ob_end_clean();
	if ($db_obstart) {
		header('Location: '.$URL);exit;
	} else {
		ObStart();
		echo '<meta http-equiv="refresh" content="0;url='.$URL.'">';exit;
	}
}

function Showtruemsg($msg){
	if (function_exists('usermsg')) {
		usermsg($msg);
	} elseif (function_exists('adminmsg')) {
		adminmsg($msg);
	} elseif (function_exists('Showmsg')) {
		Showmsg($msg);
	} else {
		exit($msg);
	}
}
function N_strireplace($search,$replace,$subject){
	return function_exists('str_ireplace') ? str_ireplace($search,$replace,$subject) : preg_replace("/$search/i",$replace,$subject);
}
function N_stripos($haystack,$needle){
	if (function_exists('stripos')) {
		if (stripos($haystack,$needle)!==false) {
			return true;
		}
		return false;
	}
	if (@preg_match("/$needle/i",$haystack)) {
		return true;
	}
	return false;
}
?>