Comment les fichiers cache phpcms v9 sont-ils générés ?

function cache_all()
{
@set_time_limit(600);
cache_common();
cache_module();
cache_model();
cache_category();
cache_area();
cache_type();
cache_member_group();
    cache_role();
cache_author();
cache_keyword();
cache_copyfrom();
cache_pos();
    cache_status();
cache_workflow();
tags_update();
return TRUE;
}

function cache_common()
{
global $db;
$data = array();
$result = $db->query("SELECT `module`,`name`,`path`,`url`,`iscore`,`version` FROM `".DB_PRE."module` WHERE `disabled`=0");
while($r = $db->fetch_array($result))
{
   if(!$r['path']) $r['path'] = $r['module'] == 'phpcms' ? '' : $r['module'].'/';
   if(!$r['url']) $r['url'] = $r['module'] == 'phpcms' ? '' : $r['module'].'/';
   $data[$r['module']] = $r;
}
$db->free_result($result);
$CACHE['MODULE'] = $data;
//以上是将对应的模块写入$CACHE;
$data = array();
$result = $db->query("SELECT * FROM `".DB_PRE."model` WHERE `disabled`=0");
while($r = $db->fetch_array($result))
{
   $data[$r['modelid']] = $r;
}
$db->free_result($result);
$CACHE['MODEL'] = $data;
$data = array();
//以上是对应的 model表里的内容写入数组$CACHE;
$result = $db->query("SELECT `catid`,`module`,`type`,`modelid`,`catname`,`style`,`image`,`catdir`,`url`,`parentid`,`arrparentid`,`parentdir`,`child`,`arrchildid`,`items`,`citems`,`pitems`,`ismenu`,`letter` FROM `".DB_PRE."category` WHERE 1 ORDER BY `listorder`,`catid`");
while($r = $db->fetch_array($result))
{
   $r['url'] = url($r['url']);
   $data[$r['catid']] = $r;
}
$db->free_result($result);
$CACHE['CATEGORY'] = $data;
//以上是将所有的栏目写入$CACHE数组
$data = array();
$result = $db->query("SELECT `typeid`,`modelid`,`module`,`name`,`style`,`typedir`,`url` FROM `".DB_PRE."type` WHERE 1 ORDER BY `listorder`,`typeid`");
while($r = $db->fetch_array($result))
{
   $data[$r['typeid']] = $r;
}
$db->free_result($result);
$CACHE['TYPE'] = $data;
//以上是将所有的 类别表里的数据写入$CACHE
$data = array();
$result = $db->query("SELECT `areaid`,`name`,`style`,`parentid`,`arrparentid`,`child`,`arrchildid` FROM `".DB_PRE."area` WHERE 1 ORDER BY `listorder`,`areaid`");
while($r = $db->fetch_array($result))
{
   $data[$r['areaid']] = $r;
}
$db->free_result($result);
$CACHE['AREA'] = $data;
//所有的地区表写入$CACHE;
$data = array();
$result = $db->query("SELECT `urlruleid`,`urlrule` FROM `".DB_PRE."urlrule` WHERE 1 ORDER BY `urlruleid`");
while($r = $db->fetch_array($result))
{
   $data[$r['urlruleid']] = $r['urlrule'];
}
$db->free_result($result);
$CACHE['URLRULE'] = $data;
//将所有的url规则写入缓存
$data = array();
    $r = $db->get_one("SELECT `setting` FROM `".DB_PRE."module` WHERE `module`='phpcms'");
$setting = $r['setting'];
eval("\$PHPCMS = $setting;");
if($PHPCMS['siteurl'] =='') $PHPCMS['siteurl'] = SITE_URL;
$CACHE['PHPCMS'] = $PHPCMS;
//最后调用cache_write方法将所有的数组写入common.php 位置/date/cache/common.php根据系统变量慧有所改动
cache_write('common.php', $CACHE);
    
return $CACHE;
}

function cache_table($table, $fields = '*', $valfield = '', $where = '', $order = '', $iscacheline = 0, $number = 0)
{
global $db;
$keyfield = $db->get_primary($table);
$data = array();
if($where) $where = " WHERE $where";
if(!$order) $order = $keyfield;
$limit = $number ? "LIMIT 0,$number" : '';
$result = $db->query("SELECT $fields FROM `$table` $where ORDER BY $order $limit");
$table = preg_replace("/^".DB_PRE."(.*)$/", "", $table);
while($r = $db->fetch_array($result))
{
   if(isset($r['setting']) && !empty($r['setting']))
   {
    $setting = $r['setting'];
    eval("\$setting = $setting;");
    unset($r['setting']);
    if(is_array($setting)) $r = array_merge($r, $setting);
        }
   $key = $r[$keyfield];
   $value = $valfield ? $r[$valfield] : $r;
   $data[$key] = $value;
   if($iscacheline) cache_write($table.'_'.$key.'.php', $value); //表字段缓存
}
$db->free_result($result);
cache_write($table.'.php', $data) ;// 表缓存
}

function cache_write($file, $array, $path = '')
{
if(!is_array($array)) return false;
$array = "<?php\nreturn ".var_export($array, true).";\n?>";
$cachefile = ($path ? $path : CACHE_PATH).$file;
$strlen = file_put_contents($cachefile, $array);
@chmod($cachefile, 0777);
return $strlen;
}

//缓存模型表
function cache_model()
{
cache_table(DB_PRE.'model', '*', '', '', 'modelid', 1);
}
//缓存分类表生成文件路径是../data/cachecategory_catid.php
function cache_category()
{
cache_table(DB_PRE.'category', '*', '', '', 'listorder,catid', 1);
}

../data/cache/type_typeid.php
function cache_type()
{
cache_table(DB_PRE.'type', '*', '', '', 'listorder,typeid', 1);
}
//缓存地区列表

function cache_area()
{
cache_table(DB_PRE.'area', '*', '', '', 'listorder,areaid', 1);
}
//缓存用户组表
//生成路径：../data/cache member_grounp_group_id.php
function cache_member_group()
{
cache_table(DB_PRE.'member_group', '*', '', '', 'groupid', 1);
cache_table(DB_PRE.'member_group', '*', 'name', '', 'groupid', 0);
}
//缓存角色表
//生成路径：../data/cache/role_roleid.php
function cache_role()
{
cache_table(DB_PRE.'role', '*', 'name', '', 'listorder,roleid');
}
//缓存作者表
//生成路径：../data/cache/author_authorid.php
function cache_author()
{
cache_table(DB_PRE.'author', '*', 'name', '', 'listorder,authorid', 0, 100);
}
function cache_keyword()
{
cache_table(DB_PRE.'keyword', '*', 'tag', '', 'listorder,usetimes', 0, 100);
}
function cache_copyfrom()
{
cache_table(DB_PRE.'copyfrom', '*', '', '', 'listorder,usetimes', 0, 100);
}
function cache_pos()
{
cache_table(DB_PRE.'position', '*', 'name', '', 'listorder,posid', 0);
}