热烈祝贺台州朗动科技的站长论坛隆重上线!(2012-05-28)    热烈庆祝伟大的祖国60周年生日 点击进来我们一起为她祝福吧(2009-09-26)    站长论坛禁止发布广告,一经发现立即删除。谢谢各位合作!.(2009-08-08)    热烈祝贺台州网址导航全面升级,全新版本上线!希望各位一如既往地支持台州网址导航的发展.(2009-03-28)    台州站长论坛恭祝各位新年快乐,牛年行大运!(2009-01-24)    台州Link正式更名为台州网址导航,专业做以台州网址为主的网址导航!(2008-05-23)    热烈祝贺台州Link资讯改名为中国站长资讯!希望在以后日子里得到大家的大力支持和帮助!(2008-04-10)    热烈祝贺台州Link论坛改名为台州站长论坛!希望大家继续支持和鼓励!(2008-04-10)    台州站长论坛原[社会琐碎]版块更名为[生活百科]版块!(2007-09-05)    特此通知:新台州站长论坛的数据信息全部升级成功!">特此通知:新台州站长论坛的数据信息全部升级成功!(2007-09-01)    台州站长论坛对未通过验证的会员进行合理的清除,请您谅解(2007-08-30)    台州网址导航|上网导航诚邀世界各地的网站友情链接和友谊联盟,共同引领网站导航、前进!(2007-08-30)    禁止发广告之类的帖,已发现立即删除!(2007-08-30)    希望各位上传与下载有用资源和最新信息(2007-08-30)    热烈祝贺台州站长论坛全面升级成功,全新上线!(2007-08-30)    
便民网址导航,轻松网上冲浪。
台州维博网络专业开发网站门户平台系统
您当前的位置: 首页 » PHP/Perl编程 » discuz缓存应用详解.

discuz缓存应用详解.

论坛链接
  • discuz缓存应用详解.
  • 发布时间:2009-12-16 16:11:34    浏览数:10196    发布者:superadmin    设置字体【   
example.php 测试文件解释

<?php

require_once './include/common.inc.php';

require_once './include/cache.func.php';



//参数说明: 缓存标识名, 内置数据取得标识, 缓存数据(string), 缓存前缀.

//writetocache('文件名', $cachenames, $cachedata = '', $prefix = 'cache_')



// 第一种模式. 指针转成变量,写入到test.php当中, 目录在forundata/cache/

writetocache('test','',getcachevars(array('var'=>'变量值','phps'=>'discuz.net')), $prefix = 'caches_');



//第二种模式,这种比较好, 生成一个数组, 写在文件test2.php中.

writetocache('test2', '', '$_DCACHE[\'settings\'] = '.arrayeval(range(1,20)).";\n\n", $prefix = 'caches_');



//第三种模式,$cachedata内容是什么, 就写入是什么, 很强悍.

writetocache('test3', '',"array('var1'=>'mysql php','var2'=>'fenanr')", $prefix = 'caches_');



//第四种模式,当没有$prefix值时, 默认生成cache_xxxx.php的缓存命名.

writetocache('test4', '',"array('var1'=>'php 6','var2'=>'discuz')");

?>
复制代码总结:
为了支撑高压力及访问量下的程序动作正常, discuz的缓存结构写得非常复杂. 当然, 不同的人思考方式不相同.
这次用了几个常用例子讲解缓存系统的应用, 希望可以帮助到需要的朋友.
由于限制了字节, 所以函数解释放二楼.
      cache.func.php文件详解


&lt;?php



/*

[Discuz!] (C)2001-2009 Comsenz Inc.

This is NOT a freeware, use is subject to license terms



$Id: cache.func.php 21311 2009-11-26 01:35:43Z liulanbo $

*/



define('DISCUZ_KERNEL_VERSION', '7.2');

define('DISCUZ_KERNEL_RELEASE', '20091126');





function updatecache($cachename = '') {

//分别引入 mysql操作库存,论坛名称,数据库前缀,最大论坛时间(估计是授权用户专用)

global $db, $bbname, $tablepre, $maxbdays;

//静态化一下数组,比如$cachename = setings 就读到这个数组 'settings' =&gt; array('settings'),

static $cachescript = array

(



'settings' =&gt; array('settings'),

'forums' =&gt; array('forums'),

'icons' =&gt; array('icons'),

'stamps' =&gt; array('stamps'),

'ranks' =&gt; array('ranks'),

'usergroups' =&gt; array('usergroups'),

'request' =&gt; array('request'),

'medals' =&gt; array('medals'),

'magics' =&gt; array('magics'),

'topicadmin' =&gt; array('modreasons', 'stamptypeid'),

'archiver' =&gt; array('advs_archiver'),

'register' =&gt; array('advs_register', 'ipctrl'),

'faqs' =&gt; array('faqs'),

'secqaa' =&gt; array('secqaa'),

'censor' =&gt; array('censor'),

'ipbanned' =&gt; array('ipbanned'),

'smilies' =&gt; array('smilies_js'),

'forumstick' =&gt; array('forumstick'),



'index' =&gt; array('announcements', 'onlinelist', 'forumlinks', 'advs_index', 'heats'),

'forumdisplay' =&gt; array('smilies', 'announcements_forum', 'globalstick', 'forums', 'icons', 'onlinelist', 'advs_forumdisplay', 'forumstick'),

'viewthread' =&gt; array('smilies', 'smileytypes', 'forums', 'usergroups', 'ranks', 'stamps', 'bbcodes', 'smilies', 'advs_viewthread', 'tags_viewthread', 'custominfo', 'groupicon', 'focus', 'stamps'),

'post' =&gt; array('bbcodes_display', 'bbcodes', 'smileycodes', 'smilies', 'smileytypes', 'icons', 'domainwhitelist'),

'profilefields' =&gt; array('fields_required', 'fields_optional'),

'viewpro' =&gt; array('fields_required', 'fields_optional', 'custominfo'),

'bbcodes' =&gt; array('bbcodes', 'smilies', 'smileytypes'),

);

//当最大时间有值时,就将在$cachescript 增加两段

if($maxbdays) {

$cachescript['birthdays'] = array('birthdays');

$cachescript['index'][] = 'birthdays_index';

}

// 组成更新数组.

$updatelist = empty($cachename) ? array_values($cachescript) : (is_array($cachename) ? array('0' =&gt; $cachename) : array(array('0' =&gt; $cachename)));

$updated = array();

// 现在循环. 由于是二维数组, 所以循环两次.

foreach($updatelist as $value) {

foreach($value as $cname) {

//判断如果$updated数组为假,或者$updated中没有$cname的值,就进入, 目的是为了防止重复

if(empty($updated) || !in_array($cname, $updated)) {

$updated[] = $cname; //进来一次, 就丢进数组, 以便循环中再次使用.

getcachearray($cname); // 取得相应的值,并且生成缓存.

}

}

}



// 假如是空参数进入, 就对所有的缓存标识作判断.

foreach($cachescript as $script =&gt; $cachenames) {

if(empty($cachename) || (!is_array($cachename) && in_array($cachename, $cachenames)) || (is_array($cachename) && array_intersect($cachename, $cachenames))) {

$cachedata = '';

$query = $db-&gt;query("SELECT data FROM {$tablepre}caches WHERE cachename in(".implodeids($cachenames).")");

while($data = $db-&gt;fetch_array($query)) {

$cachedata .= $data['data'];

}

writetocache($script, $cachenames, $cachedata);

}

}



//假如参数为空,或者参数为styles 就处理模板风格等缓存

if(!$cachename || $cachename == 'styles') {

$stylevars = $styledata = $styleicons = array();

$defaultstyleid = $db-&gt;result_first("SELECT value FROM {$tablepre}settings WHERE variable = 'styleid'");

list(, $imagemaxwidth) = explode("\t", $db-&gt;result_first("SELECT value FROM {$tablepre}settings WHERE variable = 'zoomstatus'"));

$imagemaxwidth = $imagemaxwidth ? $imagemaxwidth : 600;

$imagemaxwidthint = intval($imagemaxwidth);

$query = $db-&gt;query("SELECT sv.* FROM {$tablepre}stylevars sv LEFT JOIN {$tablepre}styles s ON s.styleid = sv.styleid AND (s.available=1 OR s.styleid='$defaultstyleid')");

while($var = $db-&gt;fetch_array($query)) {

$stylevars[$var['styleid']][$var['variable']] = $var['substitute'];

}

$query = $db-&gt;query("SELECT s.*, t.directory AS tpldir FROM {$tablepre}styles s LEFT JOIN {$tablepre}templates t ON s.templateid=t.templateid WHERE s.available=1 OR s.styleid='$defaultstyleid'");

while($data = $db-&gt;fetch_array($query)) {

$data = array_merge($data, $stylevars[$data['styleid']]);

$datanew = array();

$data['imgdir'] = $data['imgdir'] ? $data['imgdir'] : 'images/default';

$data['styleimgdir'] = $data['styleimgdir'] ? $data['styleimgdir'] : $data['imgdir'];

foreach($data as $k =&gt; $v) {

if(substr($k, -7, 7) == 'bgcolor') {

$newkey = substr($k, 0, -7).'bgcode';

$datanew[$newkey] = setcssbackground($data, $k);

}

}

$data = array_merge($data, $datanew);

$styleicons[$data['styleid']] = $data['menuhover'];

if(strstr($data['boardimg'], ',')) {

$flash = explode(",", $data['boardimg']);

$flash[0] = trim($flash[0]);

$flash[0] = preg_match('/^http:\/\//i', $flash[0]) ? $flash[0] : $data['styleimgdir'].'/'.$flash[0];

$data['boardlogo'] = "&lt;embed src=\"".$flash[0]."\" width=\"".trim($flash[1])."\" height=\"".trim($flash[2])."\" type=\"application/x-shockwave-flash\" wmode=\"transparent\"&gt;&lt;/embed&gt;";

} else {

$data['boardimg'] = preg_match('/^http:\/\//i', $data['boardimg']) ? $data['boardimg'] : $data['styleimgdir'].'/'.$data['boardimg'];

$data['boardlogo'] = "&lt;img src=\"$data[boardimg]\" alt=\"$bbname\" border=\"0\" /&gt;";

}

$data['bold'] = $data['nobold'] ? 'normal' : 'bold';

$contentwidthint = intval($data['contentwidth']);

$contentwidthint = $contentwidthint ? $contentwidthint : 600;

if(substr(trim($data['contentwidth']), -1, 1) != '%') {

if(substr(trim($imagemaxwidth), -1, 1) != '%') {

$data['imagemaxwidth'] = $imagemaxwidthint &gt; $contentwidthint ? $contentwidthint : $imagemaxwidthint;

} else {

$data['imagemaxwidth'] = intval($contentwidthint * $imagemaxwidthint / 100);

}

} else {

if(substr(trim($imagemaxwidth), -1, 1) != '%') {

$data['imagemaxwidth'] = '%'.$imagemaxwidthint;

} else {

$data['imagemaxwidth'] = ($imagemaxwidthint &gt; $contentwidthint ? $contentwidthint : $imagemaxwidthint).'%';

}

}

$data['verhash'] = random(3);

$styledata[] = $data;

}

foreach($styledata as $data) {

$data['styleicons'] = $styleicons;

writetocache($data['styleid'], '', getcachevars($data, 'CONST'), 'style_');

writetocsscache($data);

}

}

//假如参数为空,或者参数为usergroups 就处理用户组等缓存

if(!$cachename || $cachename == 'usergroups') {

@include_once DISCUZ_ROOT.'forumdata/cache/cache_settings.php';

$threadplugins = !isset($_DCACHE['settings']) ? $GLOBALS['threadplugins'] : $_DCACHE['settings'];

$allowthreadplugin = $threadplugins ? unserialize($db-&gt;result_first("SELECT value FROM {$tablepre}settings WHERE variable='allowthreadplugin'")) : array();



$query = $db-&gt;query("SELECT * FROM {$tablepre}usergroups u

LEFT JOIN {$tablepre}admingroups a ON u.groupid=a.admingid");

while($data = $db-&gt;fetch_array($query)) {

$ratearray = array();

if($data['raterange']) {

foreach(explode("\n", $data['raterange']) as $rating) {

$rating = explode("\t", $rating);

$ratearray[$rating[0]] = array('min' =&gt; $rating[1], 'max' =&gt; $rating[2], 'mrpd' =&gt; $rating[3]);

}

}

$data['raterange'] = $ratearray;

$data['grouptitle'] = $data['color'] ? '&lt;font color="'.$data['color'].'"&gt;'.$data['grouptitle'].'&lt;/font&gt;' : $data['grouptitle'];

$data['grouptype'] = $data['type'];

$data['grouppublic'] = $data['system'] != 'private';

$data['groupcreditshigher'] = $data['creditshigher'];

$data['groupcreditslower'] = $data['creditslower'];

$data['allowthreadplugin'] = $threadplugins ? $allowthreadplugin[$data['groupid']] : array();

unset($data['type'], $data['system'], $data['creditshigher'], $data['creditslower'], $data['color'], $data['groupavatar'], $data['admingid']);

writetocache($data['groupid'], '', getcachevars($data), 'usergroup_');

}

}



//假如参数为空,或者参数为admingroups 就处理管理用户组等缓存

if(!$cachename || $cachename == 'admingroups') {

$query = $db-&gt;query("SELECT * FROM {$tablepre}admingroups");

while($data = $db-&gt;fetch_array($query)) {

writetocache($data['admingid'], '', getcachevars($data), 'admingroup_');

}

}



if(!$cachename || $cachename == 'plugins') {

$query = $db-&gt;query("SELECT pluginid, available, adminid, name, identifier, datatables, directory, copyright, modules FROM {$tablepre}plugins");

while($plugin = $db-&gt;fetch_array($query)) {

$data = array_merge($plugin, array('modules' =&gt; array()), array('vars' =&gt; array()));

$plugin['modules'] = unserialize($plugin['modules']);

if(is_array($plugin['modules'])) {

foreach($plugin['modules'] as $module) {

$data['modules'][$module['name']] = $module;

}

}

$queryvars = $db-&gt;query("SELECT variable, value FROM {$tablepre}pluginvars WHERE pluginid='$plugin[pluginid]'");

while($var = $db-&gt;fetch_array($queryvars)) {

$data['vars'][$var['variable']] = $var['value'];

}

writetocache($plugin['identifier'], '', "\$_DPLUGIN['$plugin[identifier]'] = ".arrayeval($data), 'plugin_');

}

}

//假如参数为空,或者参数为threadsorts 就处理主题信息等缓存

if(!$cachename || $cachename == 'threadsorts') {

$sortlist = $templatedata = array();

$query = $db-&gt;query("SELECT t.typeid AS sortid, tt.optionid, tt.title, tt.type, tt.unit, tt.rules, tt.identifier, tt.description, tv.required, tv.unchangeable, tv.search, tv.subjectshow

FROM {$tablepre}threadtypes t

LEFT JOIN {$tablepre}typevars tv ON t.typeid=tv.sortid

LEFT JOIN {$tablepre}typeoptions tt ON tv.optionid=tt.optionid

WHERE t.special='1' AND tv.available='1'

ORDER BY tv.displayorder");

while($data = $db-&gt;fetch_array($query)) {

$data['rules'] = unserialize($data['rules']);

$sortid = $data['sortid'];

$optionid = $data['optionid'];

$sortlist[$sortid][$optionid] = array(

'title' =&gt; dhtmlspecialchars($data['title']),

'type' =&gt; dhtmlspecialchars($data['type']),

'unit' =&gt; dhtmlspecialchars($data['unit']),

'identifier' =&gt; dhtmlspecialchars($data['identifier']),

'description' =&gt; dhtmlspecialchars($data['description']),

'required' =&gt; intval($data['required']),

'unchangeable' =&gt; intval($data['unchangeable']),

'search' =&gt; intval($data['search']),

'subjectshow' =&gt; intval($data['subjectshow']),

);



if(in_array($data['type'], array('select', 'checkbox', 'radio'))) {

if($data['rules']['choices']) {

$choices = array();

foreach(explode("\n", $data['rules']['choices']) as $item) {

list($index, $choice) = explode('=', $item);

$choices[trim($index)] = trim($choice);

}

$sortlist[$sortid][$optionid]['choices'] = $choices;

} else {

$typelist[$sortid][$optionid]['choices'] = array();

}

} elseif(in_array($data['type'], array('text', 'textarea'))) {

$sortlist[$sortid][$optionid]['maxlength'] = intval($data['rules']['maxlength']);

} elseif($data['type'] == 'image') {

$sortlist[$sortid][$optionid]['maxwidth'] = intval($data['rules']['maxwidth']);

$sortlist[$sortid][$optionid]['maxheight'] = intval($data['rules']['maxheight']);

} elseif($data['type'] == 'number') {

$sortlist[$sortid][$optionid]['maxnum'] = intval($data['rules']['maxnum']);

$sortlist[$sortid][$optionid]['minnum'] = intval($data['rules']['minnum']);

}

}

$query = $db-&gt;query("SELECT typeid, description, template, stemplate FROM {$tablepre}threadtypes WHERE special='1'");

while($data = $db-&gt;fetch_array($query)) {

$templatedata[$data['typeid']] = $data['template'];

$stemplatedata[$data['typeid']] = $data['stemplate'];

$threaddesc[$data['typeid']] = dhtmlspecialchars($data['description']);

}



foreach($sortlist as $sortid =&gt; $option) {

writetocache($sortid, '', "\$_DTYPE = ".arrayeval($option).";\n\n\$_DTYPETEMPLATE = \"".str_replace('"', '\"', $templatedata[$sortid])."\";\n\n\$_DSTYPETEMPLATE = \"".str_replace('"', '\"', $stemplatedata[$sortid])."\";\n", 'threadsort_');

}

}



}



// 这是css缓存文件生成需要的处理css背景颜色函数

function setcssbackground(&$data, $code) {

$codes = explode(' ', $data[$code]);

$css = $codevalue = '';

for($i = 0; $i &lt; count($codes); $i++) {

if($i &lt; 2) {

if($codes[$i] != '') {

if($codes[$i]{0} == '#') {

$css .= strtoupper($codes[$i]).' ';

$codevalue = strtoupper($codes[$i]);

} elseif(preg_match('/^http:\/\//i', $codes[$i])) {

$css .= 'url(\"'.$codes[$i].'\") ';

} else {

$css .= 'url("'.$data['styleimgdir'].'/'.$codes[$i].'") ';

}

}

} else {

$css .= $codes[$i].' ';

}

}

$data[$code] = $codevalue;

$css = trim($css);

return $css ? 'background: '.$css : '';

}

// 更新系统配置缓存

function updatesettings() {

global $_DCACHE;

if(isset($_DCACHE['settings']) && is_array($_DCACHE['settings'])) {

writetocache('settings', '', '$_DCACHE[\'settings\'] = '.arrayeval($_DCACHE['settings']).";\n\n");

}

}



// 写入缓存文件, 详解一下.

function writetocache($script, $cachenames, $cachedata = '', $prefix = 'cache_') {

global $authkey;

//假如$cachenames是数组,并且$cachedata为假

if(is_array($cachenames) && !$cachedata) {

foreach($cachenames as $name) {

//赋予内置函数的指定标识, 即可有数据返回

$cachedata .= getcachearray($name, $script);

}

}

$dir = DISCUZ_ROOT.'./forumdata/cache/';

//如果缓存目录不存在, 就生成一个.

if(!is_dir($dir)) {

@mkdir($dir, 0777);

}

if($fp = @fopen("$dir$prefix$script.php", 'wb')) {

fwrite($fp, "&lt;?php\n//Discuz! cache file, DO NOT modify me!".

"\n//Created: ".date("M j, Y, G:i").

"\n//Identify: ".md5($prefix.$script.'.php'.$cachedata.$authkey)."\n\n$cachedata?&gt;");

fclose($fp);

} else {

exit('Can not write to cache files, please check directory ./forumdata/ and ./forumdata/cache/ .');

}

}

// 更新css缓存生成过程中, 里面的路径问题, 参数为css.htm的内容.

function writetocsscache($data) {

$cssdata = '';

foreach(array('_common' =&gt; array('css_common', 'css_append'),

'_special' =&gt; array('css_special', 'css_special_append'),

'_wysiwyg' =&gt; array('css_wysiwyg', '_wysiwyg_append'),

'_seditor' =&gt; array('css_seditor', 'css_seditor_append'),

'_calendar' =&gt; array('css_calendar', 'css_calendar_append'),

'_moderator' =&gt; array('css_moderator', 'css_moderator_append'),

'_script' =&gt; array('css_script', 'css_script_append'),

'_task_newbie' =&gt; array('css_task_newbie', 'css_task_newbie_append')

) as $extra =&gt; $cssfiles) {

$cssdata = '';

foreach($cssfiles as $css) {

$cssfile = DISCUZ_ROOT.'./'.$data['tpldir'].'/'.$css.'.htm';

!file_exists($cssfile) && $cssfile = DISCUZ_ROOT.'./templates/default/'.$css.'.htm';

if(file_exists($cssfile)) {

$fp = fopen($cssfile, 'r');

$cssdata .= @fread($fp, filesize($cssfile))."\n\n";

fclose($fp);

}

}

$cssdata = preg_replace("/\{([A-Z0-9]+)\}/e", '\$data[strtolower(\'\1\')]', $cssdata);

$cssdata = preg_replace("/&lt;\?.+?\?&gt;\s*/", '', $cssdata);

$cssdata = !preg_match('/^http:\/\//i', $data['styleimgdir']) ? str_replace("url(\"$data[styleimgdir]", "url(\"../../$data[styleimgdir]", $cssdata) : $cssdata;

$cssdata = !preg_match('/^http:\/\//i', $data['styleimgdir']) ? str_replace("url($data[styleimgdir]", "url(../../$data[styleimgdir]", $cssdata) : $cssdata;

$cssdata = !preg_match('/^http:\/\//i', $data['imgdir']) ? str_replace("url(\"$data[imgdir]", "url(\"../../$data[imgdir]", $cssdata) : $cssdata;

$cssdata = !preg_match('/^http:\/\//i', $data['imgdir']) ? str_replace("url($data[imgdir]", "url(../../$data[imgdir]", $cssdata) : $cssdata;

if($extra != '_script') {

$cssdata = preg_replace(array('/\s*([,;:\{\}])\s*/', '/[\t\n\r]/', '/\/\*.+?\*\//'), array('\\1', '',''), $cssdata);

}

if(@$fp = fopen(DISCUZ_ROOT.'./forumdata/cache/style_'.$data['styleid'].$extra.'.css', 'w')) {

fwrite($fp, $cssdata);

fclose($fp);

} else {

exit('Can not write to cache files, please check directory ./forumdata/ and ./forumdata/cache/ .');

}

}



}



// 将js文件复制到缓存目录.

function writetojscache() {

$dir = DISCUZ_ROOT.'include/js/';

$dh = opendir($dir);

$remove = array(

'/(^|\r|\n)\/\*.+?(\r|\n)\*\/(\r|\n)/is',

'/\/\/note.+?(\r|\n)/i',

'/\/\/debug.+?(\r|\n)/i',

'/(^|\r|\n)(\s|\t)+/',

'/(\r|\n)/',

);

while(($entry = readdir($dh)) !== false) {

if(fileext($entry) == 'js') {

$jsfile = $dir.$entry;

$fp = fopen($jsfile, 'r');

$jsdata = @fread($fp, filesize($jsfile));

fclose($fp);

$jsdata = preg_replace($remove, '', $jsdata);

if(@$fp = fopen(DISCUZ_ROOT.'./forumdata/cache/'.$entry, 'w')) {

fwrite($fp, $jsdata);

fclose($fp);

} else {

exit('Can not write to cache files, please check directory ./forumdata/ and ./forumdata/cache/ .');

}

}

}

}



//取得缓存数组, 内置. 标识名,及文件名.

function getcachearray($cachename, $script = '') {

global $db, $timestamp, $tablepre, $timeoffset, $maxbdays, $smcols, $smrows, $charset, $scriptlang;

//省略上千代码.

}



//组成缓存文件需要的数据数组.

function getcachevars($data, $type = 'VAR') {

$evaluate = '';

foreach($data as $key =&gt; $val) {

if(!preg_match("/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*$/", $key)) {

continue;

}

if(is_array($val)) {

$evaluate .= "\$$key = ".arrayeval($val).";\n";

} else {

$val = addcslashes($val, '\'\\');

$evaluate .= $type == 'VAR' ? "\$$key = '$val';\n" : "define('".strtoupper($key)."', '$val');\n";

}

}

return $evaluate;

}



//取得广告设置的内容数组.

function advertisement($range) {

global $db, $tablepre, $timestamp;



$advs = array();

$query = $db-&gt;query("SELECT * FROM {$tablepre}advertisements WHERE available&gt;'0' AND starttime&lt;='$timestamp' ORDER BY displayorder");

if($db-&gt;num_rows($query)) {

while($adv = $db-&gt;fetch_array($query)) {

if(in_array($adv['type'], array('footerbanner', 'thread'))) {

$parameters = unserialize($adv['parameters']);

$position = isset($parameters['position']) && in_array($parameters['position'], array(2, 3)) ? $parameters['position'] : 1;

$type = $adv['type'].$position;

} else {

$type = $adv['type'];

}

$adv['targets'] = in_array($adv['targets'], array('', 'all')) ? ($type == 'text' ? 'forum' : (substr($type, 0, 6) == 'thread' ? 'forum' : 'all')) : $adv['targets'];

foreach(explode("\t", $adv['targets']) as $target) {

if($range == 'index' && substr($target, 0, 3) == 'gid') {

$advs['cat'][$type][substr($target, 3)][] = $adv['advid'];

$advs['items'][$adv['advid']] = $adv['code'];

}

$target = $target == '0' || $type == 'intercat' ? 'index' : (in_array($target, array('all', 'index', 'forumdisplay', 'viewthread', 'register', 'redirect', 'archiver')) ? $target : ($target == 'forum' ? 'forum_all' : 'forum_'.$target));

if((($range == 'forumdisplay' && !in_array($adv['type'], array('thread', 'interthread'))) || $range == 'viewthread') && substr($target, 0, 6) == 'forum_') {

if($adv['type'] == 'thread') {

foreach(isset($parameters['displayorder']) ? explode("\t", $parameters['displayorder']) : array('0') as $postcount) {

$advs['type'][$type.'_'.$postcount][$target][] = $adv['advid'];

}

} else {

$advs['type'][$type][$target][] = $adv['advid'];

}

$advs['items'][$adv['advid']] = $adv['code'];

} elseif($range == 'all' && in_array($target, array('all', 'redirect'))) {

$advs[$target]['type'][$type][] = $adv['advid'];

$advs[$target]['items'][$adv['advid']] = $adv['code'];

} elseif($range == 'index' && $type == 'intercat') {

$parameters = unserialize($adv['parameters']);

foreach(is_array($parameters['position']) ? $parameters['position'] : array('0') as $position) {

$advs['type'][$type][$position][] = $adv['advid'];

$advs['items'][$adv['advid']] = $adv['code'];

}

} elseif($target == $range || ($range == 'index' && $target == 'forum_all' && $type == 'text')) {

$advs['type'][$type][] = $adv['advid'];

$advs['items'][$adv['advid']] = $adv['code'];

}

}

}

}



return $advs;

}



// 简单判断.

function pluginmodulecmp($a, $b) {

return $a['displayorder'] &gt; $b['displayorder'] ? 1 : -1;

}

// 计算长宽的函数

function smthumb($size, $smthumb = 50) {

if($size[0] &lt;= $smthumb && $size[1] &lt;= $smthumb) {

return array('w' =&gt; $size[0], 'h' =&gt; $size[1]);

}

$sm = array();

$x_ratio = $smthumb / $size[0];

$y_ratio = $smthumb / $size[1];

if(($x_ratio * $size[1]) &lt; $smthumb) {

$sm['h'] = ceil($x_ratio * $size[1]);

$sm['w'] = $smthumb;

} else {

$sm['w'] = ceil($y_ratio * $size[0]);

$sm['h'] = $smthumb;

}

return $sm;

}



// 处理缓存生成时部分内容样式的解析

function parsehighlight($highlight) {

if($highlight) {

$colorarray = array('', 'red', 'orange', 'yellow', 'green', 'cyan', 'blue', 'purple', 'gray');

$string = sprintf('%02d', $highlight);

$stylestr = sprintf('%03b', $string[0]);



$style = ' style="';

$style .= $stylestr[0] ? 'font-weight: bold;' : '';

$style .= $stylestr[1] ? 'font-style: italic;' : '';

$style .= $stylestr[2] ? 'text-decoration: underline;' : '';

$style .= $string[1] ? 'color: '.$colorarray[$string[1]] : '';

$style .= '"';

} else {

$style = '';

}

return $style;

}

// 这就是传说的array的立体型输出.

function arrayeval($array, $level = 0) {

if(!is_array($array)) {

return "'".$array."'";

}

if(is_array($array) && function_exists('var_export')) {

return var_export($array, true);

}



$space = '';

for($i = 0; $i &lt;= $level; $i++) {

$space .= "\t";

}

$evaluate = "Array\n$space(\n";

$comma = $space;

if(is_array($array)) {

foreach($array as $key =&gt; $val) {

$key = is_string($key) ? '\''.addcslashes($key, '\'\\').'\'' : $key;

$val = !is_array($val) && (!preg_match("/^\-?[1-9]\d*$/", $val) || strlen($val) &gt; 12) ? '\''.addcslashes($val, '\'\\').'\'' : $val;

if(is_array($val)) {

$evaluate .= "$comma$key =&gt; ".arrayeval($val, $level + 1);

} else {

$evaluate .= "$comma$key =&gt; $val";

}

$comma = ",\n$space";

}

}

$evaluate .= "\n$space)";

return $evaluate;

}



?&gt;
娱乐休闲专区A 影视预告B 音乐咖啡C 英语阶梯D 生活百科
网页编程专区E AMPZF HTMLG CSSH JSI ASPJ PHPK JSPL MySQLM AJAX
Linux技术区 N 系统管理O 服务器架设P 网络/硬件Q 编程序开发R 内核/嵌入
管理中心专区S 发布网址T 版主议事U 事务处理