global.func.php

phpcms2007很好的cms内容管理系统,操作方便

<?php 
defined('IN_PHPCMS') or exit('Access Denied');

function showmessage($msg, $url_forward = 'goback', $ms=1250)
{
	global $CONFIG,$PHPCMS,$debuginfo;
	$templatefile = defined('IN_ADMIN') ? PHPCMS_ROOT.'/admin/templates/showmessage.tpl.php' : template('phpcms','showmessage');
	include $templatefile;
    exit;
}

function new_htmlspecialchars($string)
{
    return is_array($string) ? array_map('new_htmlspecialchars', $string) : htmlspecialchars($string,ENT_QUOTES);
}

function new_addslashes($string)
{
	if(!is_array($string)) return addslashes($string);
	foreach($string as $key => $val) $string[$key] = new_addslashes($val);
	return $string;
}

function new_stripslashes($string)
{
	if(!is_array($string)) return stripslashes($string);
	foreach($string as $key => $val) $string[$key] = new_stripslashes($val);
	return $string;
}

function filter_xss($string, $allowedtags = '', $disabledattributes = array('onabort', 'onactivate', 'onafterprint', 'onafterupdate', 'onbeforeactivate', 'onbeforecopy', 'onbeforecut', 'onbeforedeactivate', 'onbeforeeditfocus', 'onbeforepaste', 'onbeforeprint', 'onbeforeunload', 'onbeforeupdate', 'onblur', 'onbounce', 'oncellchange', 'onchange', 'onclick', 'oncontextmenu', 'oncontrolselect', 'oncopy', 'oncut', 'ondataavaible', 'ondatasetchanged', 'ondatasetcomplete', 'ondblclick', 'ondeactivate', 'ondrag', 'ondragdrop', 'ondragend', 'ondragenter', 'ondragleave', 'ondragover', 'ondragstart', 'ondrop', 'onerror', 'onerrorupdate', 'onfilterupdate', 'onfinish', 'onfocus', 'onfocusin', 'onfocusout', 'onhelp', 'onkeydown', 'onkeypress', 'onkeyup', 'onlayoutcomplete', 'onload', 'onlosecapture', 'onmousedown', 'onmouseenter', 'onmouseleave', 'onmousemove', 'onmoveout', 'onmouseover', 'onmouseup', 'onmousewheel', 'onmove', 'onmoveend', 'onmovestart', 'onpaste', 'onpropertychange', 'onreadystatechange', 'onreset', 'onresize', 'onresizeend', 'onresizestart', 'onrowexit', 'onrowsdelete', 'onrowsinserted', 'onscroll', 'onselect', 'onselectionchange', 'onselectstart', 'onstart', 'onstop', 'onsubmit', 'onunload'))
{
	if(is_array($string))
	{
		foreach($string as $key => $val) $string[$key] = filter_xss($val, ALLOWED_HTMLTAGS);
	}
	else
	{
		$string = preg_replace('/\s('.implode('|', $disabledattributes).').*?([\s\>])/', '\\2', preg_replace('/<(.*?)>/ie', "'<'.preg_replace(array('/javascript:[^\"\']*/i', '/(".implode('|', $disabledattributes).")[ \\t\\n]*=[ \\t\\n]*[\"\'][^\"\']*[\"\']/i', '/\s+/'), array('', '', ' '), stripslashes('\\1')) . '>'", strip_tags($string, $allowedtags)));
	}
	return $string;
}

function strip_sql($string)
{
	global $search_arr,$replace_arr;
	return is_array($string) ? array_map('strip_sql', $string) : preg_replace($search_arr, $replace_arr, $string);
}

function strip_textarea($string)
{
	return nl2br(str_replace(' ', '&nbsp;', htmlspecialchars($string, ENT_QUOTES)));
}

function strip_js($string, $js = 1)
{
	$string = str_replace(array("\n","\r","\""),array('','',"\\\""),$string);
	return $js==1 ? "document.write(\"".$string."\");\n" : $string;
}

function str_safe($string)
{
	$searcharr = array("/(javascript|jscript|js|vbscript|vbs|about):/i","/on(mouse|exit|error|click|dblclick|key|load|unload|change|move|submit|reset|cut|copy|select|start|stop)/i","/<script([^>]*)>/i","/<iframe([^>]*)>/i","/<frame([^>]*)>/i","/<link([^>]*)>/i","/@import/i");
	$replacearr = array("\\1\n:","on\n\\1","&lt;script\\1&gt;","&lt;iframe\\1&gt;","&lt;frame\\1&gt;","&lt;link\\1&gt;","@\nimport");
	$string = preg_replace($searcharr,$replacearr,$string);
	$string = str_replace("&#","&\n#",$string);
	return $string;
}

function random($length, $chars = '0123456789')
{
	$hash = '';
	$max = strlen($chars) - 1;
	for($i = 0; $i < $length; $i++)
	{
		$hash .= $chars[mt_rand(0, $max)];
	}
	return $hash;
}

function mkcookie($var, $value = '', $time = 0)
{
	global $CONFIG,$PHP_TIME;
	$time = $time > 0 ? $time : (empty($value) ? $PHP_TIME - 3600 : 0);
	$s = $_SERVER['SERVER_PORT'] == '443' ? 1 : 0;
	$var = $CONFIG['cookiepre'].$var;
	return setcookie($var, $value, $time, $CONFIG['cookiepath'], $CONFIG['cookiedomain'], $s);
}

function getcookie($var)
{
	global $CONFIG;
	$var = $CONFIG['cookiepre'].$var;
	return isset($_COOKIE[$var]) ? $_COOKIE[$var] : FALSE;
}

if(!function_exists('file_put_contents'))
{
	define('FILE_APPEND', 8);
	function file_put_contents($file, $string, $append = '')
	{
		$mode = $append == '' ? 'wb' : 'ab';
		$fp = @fopen($file, $mode) or exit("Can not open file $file !");
		flock($fp, LOCK_EX);
		$stringlen = @fwrite($fp, $string);
		flock($fp, LOCK_UN);
		@fclose($fp);
		return $stringlen;
	}
}

function file_down($file, $filename = '')
{
	global $PHP_TIME;
	if(!file_exists($file)) showmessage("The file $file is not exists !");
	$filename = $filename ? $filename : basename($file);
	$filetype = fileext($filename);
	$filesize = filesize($file);
    ob_end_clean();
	@set_time_limit(900);
	header('Cache-control: max-age=31536000');
	header('Expires: '.gmdate('D, d M Y H:i:s', $PHP_TIME + 31536000).' GMT');
	header('Content-Encoding: none');
	header('Content-Length: '.$filesize);
	header('Content-Disposition: attachment; filename='.$filename);
	header('Content-Type: '.$filetype);
	readfile($file);
	exit;
}

function phpcache($is_js = 0)
{
	global $CONFIG,$cachefiledir,$cachefile;
    if(!$is_js && $CONFIG['phpcache'] != '2') return FALSE;
	$contents = ob_get_clean();
	if($is_js) $contents = strip_js($contents);
	if($CONFIG['phpcache'] == '2' && $cachefiledir && $cachefile)
	{
		dir_create($cachefiledir);
		file_put_contents($cachefile, $contents);
		@chmod($cachefile, 0777);
	}
	header('Expires: Mon, 26 Jul 2000 05:00:00 GMT'); 
	header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT'); 
	header('Cache-Control: no-cache, must-revalidate'); 
	header('Pragma: no-cache');
	echo $contents;
}

function cache_read($file, $mode = 'i')
{
	$cachefile = PHPCMS_CACHEDIR.$file;
	if(!file_exists($cachefile)) return array();
	return $mode == 'i' ? include $cachefile : file_get_contents($cachefile);
}

function cache_write($file, $string, $type = 'array')
{
	if(is_array($string))
	{
		$type = strtolower($type);
		if($type == 'array')
		{
			$string = "<?php\n return ".var_export($string,TRUE).";\n?>";
		}
		elseif($type == 'constant')
		{
			$data='';
			foreach($string as $key => $value) $data .= "define('".strtoupper($key)."','".addslashes($value)."');\n";
			$string = "<?php\n".$data."\n?>";
		}
	}
	$strlen = file_put_contents(PHPCMS_CACHEDIR.$file, $string);
	chmod(PHPCMS_CACHEDIR.$file, 0777);
	return $strlen;
}

function cache_delete($file)
{
	return @unlink(PHPCMS_CACHEDIR.$file);
}

function phpcms_auth($txt, $operation = 'ENCODE', $key = '')
{
	$key = $key ? $key : $GLOBALS['phpcms_auth_key'];
	require_once PHPCMS_ROOT.'/include/auth.func.php';
    return $operation=='ENCODE' ? phpcms_encode($txt, $key) : phpcms_decode($txt, $key);
}

function createhtml($filename, $mod_root = '')
{
    global $TEMP;
	if(!defined('CREATEHTML')) define('CREATEHTML', 1);
    @extract($GLOBALS, EXTR_SKIP);
	if(!$mod_root) $mod_root = defined('MOD_ROOT') ? MOD_ROOT : PHPCMS_ROOT;
    include $mod_root.'/include/createhtml/'.$filename.'.php';
}

function template($module = 'phpcms', $template = 'index')
{
	global $CONFIG;
	$compiledtplfile = $CONFIG['templatescachedir'].$module.'_'.$template.'.tpl.php';
	if($CONFIG['templaterefresh'])
	{
        $tplfile = PHPCMS_ROOT.'/templates/'.$CONFIG['defaulttemplate'].'/'.$module.'/'.$template.'.html';
        if(!file_exists($compiledtplfile) || @filemtime($tplfile) > @filemtime($compiledtplfile))
		{
			require_once PHPCMS_ROOT.'/include/template.func.php';
			template_refresh($tplfile, $compiledtplfile);
		}
	}
	return $compiledtplfile;
}

function str_cut($string, $length, $dot = ' ...')
{
	global $CONFIG;
	$strlen = strlen($string);
	if($strlen <= $length) return $string;
	$string = str_replace(array('&nbsp;', '&amp;', '&quot;', '&#039;', '&ldquo;', '&rdquo;', '&mdash;', '&lt;', '&gt;'), array(' ', '&', '"', "'", '鈥