How dedecms configures Apache multisite

Recommended tutorial: DEDECMS tutorial

## Preliminary knowledge:

To put it simply, the DreamWeaver multi-site setting is to use a directory on the website as the root directory of a domain name. There are two situations:

The first is to use the first-level column as the root directory of the second-level domain name, then the sub-columns under the first-level column must be under the first-level column directory;

The second is to use the non-column directory as the root directory of the second-level domain name, such as the mobile site m.xxx.com

Setting steps

Step 1: Enable multi-site support in Basic System Parameters => Core Settings => The screenshot is as follows:

Step 2: Set the column to be bound to the second-level domain name as a channel. Pay attention to the directory where the column is saved. It is generally set to the first-level directory. For example, I set the root directory here. Heli below. Note: The saving path of the sub-column must be under this directory. The screenshot is as follows:

Step 3: Switch Go to the Advanced tab, activate the second-level domain name, and set the corresponding second-level domain name

Step 4: Setup 2 Level domain name, taking Western Digital as an example, the screenshot is as follows:

After entering, click Add

## For example, the heli directory I set up above only needs to bind the domain name to the heli directory. That is, click Directory Select and find the heli directory

Step 5: Modify the program file /include/helpers/channelunit.helper.php;In function function GetFileUrl, modify line 73:

if($moresite==1)
    {
	$articleUrl = preg_replace("/^".$sitepath.'/', '', $articleUrl);
    }

In the path regular expression, replace the slash / with a semicolon', and the modification is as follows ：

if($moresite==1)
{
	$articleUrl = preg_replace("'^".$sitepath."'",'',$articleUrl);
}

Similarly, modify the program around line 260:

if($GLOBALS['cfg_multi_site']=='Y')
{
    if($siteurl=='') {
    $siteurl = $GLOBALS['cfg_basehost'];
        }
    if($moresite==1 ) {
    $reurl = preg_replace("/^".$sitepath."/", '', $reurl);

Modify the last sentence of the code above to:

$reurl  = preg_replace("'^".$sitepath."'",'', $reurl);

After this modification, you can generate the correct second code Level domain name file path.

The last step: Because absolute paths will be enabled after turning on multi-site, there will be problems with the image paths inside, so you need to modify the file. The steps are as follows: Find

\include\dialog\select_images_post.php

Line 108 <pre class="brush:php;toolbar:false">$fileurl = $activepath.&amp;#39;/&amp;#39;.$filename;</pre> Replace with:

$fileurl = $cfg_cmsurl.$activepath.'/'.$filename;

Modify the file in the directory include

extend .func.php

, add a function method at the end <pre class="brush:php;toolbar:false">function replaceurl($newurl) { $newurl=str_replace(&amp;#39;src=&quot;/uploads/&amp;#39;,&amp;#39;src=&quot;&amp;#39;.{$GLOBALS[&amp;#39;cfg_basehost&amp;#39;]}.&amp;#39;/uploads/&amp;#39;,$newurl); return $newurl; }</pre> In addition, call the tag of the article body content

{dede:field.body/}

and replace it with: { dede:field.body function='replaceurl(@me)'/}

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