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<title>[14884] trunk/wp-admin/network.php: Improved mayday calls in network.
 php when a subdirectory install isn't allowed.</title>
</head>
<body>

<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/14884">14884</a></dd>
<dt>Author</dt> <dd>nacin</dd>
<dt>Date</dt> <dd>2010-05-25 15:16:31 +0000 (Tue, 25 May 2010)</dd>
</dl>

<h3>Log Message</h3>
<pre>Improved mayday calls in network.php when a subdirectory install isn't allowed. Also, /allow_folder_install/allow_subdirectory_install/g. fixes <a href="http://trac.wordpress.org/ticket/12884">#12884</a>, fixes <a href="http://trac.wordpress.org/ticket/12931">#12931</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpadminnetworkphp">trunk/wp-admin/network.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkwpadminnetworkphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-admin/network.php (14883 => 14884)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-admin/network.php        2010-05-25 14:43:39 UTC (rev 14883)
+++ trunk/wp-admin/network.php        2010-05-25 15:16:31 UTC (rev 14884)
</span><span class="lines">@@ -50,14 +50,14 @@
</span><span class="cx">         return true;
</span><span class="cx"> }
</span><span class="cx"> /**
</span><del>- * Allow folder install
</del><ins>+ * Allow subdirectory install
</ins><span class="cx">  *
</span><span class="cx">  * @since 3.0.0
</span><del>- * @return bool Whether folder install is allowed
</del><ins>+ * @return bool Whether subdirectory install is allowed
</ins><span class="cx">  */
</span><del>-function allow_folder_install() {
</del><ins>+function allow_subdirectory_install() {
</ins><span class="cx">         global $wpdb;
</span><del>-        if ( apply_filters( 'allow_folder_install', false ) )
</del><ins>+        if ( apply_filters( 'allow_subdirectory_install', false ) )
</ins><span class="cx">                 return true;
</span><span class="cx"> 
</span><span class="cx">         $post = $wpdb-&gt;get_row( &quot;SELECT ID FROM $wpdb-&gt;posts WHERE post_date &lt; DATE_SUB(NOW(), INTERVAL 1 MONTH) AND post_status = 'publish'&quot; );
</span><span class="lines">@@ -161,7 +161,7 @@
</span><span class="cx">                 $subdomain_install = (bool) $_POST['subdomain_install'];
</span><span class="cx">         } elseif ( apache_mod_loaded('mod_rewrite') ) { // assume nothing
</span><span class="cx">                 $subdomain_install = true;
</span><del>-        } elseif ( !allow_folder_install() ) {
</del><ins>+        } elseif ( !allow_subdirectory_install() ) {
</ins><span class="cx">                 $subdomain_install = true;
</span><span class="cx">         } else {
</span><span class="cx">                 $subdomain_install = false;
</span><span class="lines">@@ -172,7 +172,7 @@
</span><span class="cx">                 echo '&lt;p&gt;' . __( 'If &lt;code&gt;mod_rewrite&lt;/code&gt; is disabled, ask your administrator to enable that module, or look at the &lt;a href=&quot;http://httpd.apache.org/docs/mod/mod_rewrite.html&quot;&gt;Apache documentation&lt;/a&gt; or &lt;a href=&quot;http://www.google.com/search?q=apache+mod_rewrite&quot;&gt;elsewhere&lt;/a&gt; for help setting it up.' ) . '&lt;/p&gt;&lt;/div&gt;';
</span><span class="cx">         }
</span><span class="cx"> 
</span><del>-        if ( allow_subdomain_install() &amp;&amp; allow_folder_install() ) : ?&gt;
</del><ins>+        if ( allow_subdomain_install() &amp;&amp; allow_subdirectory_install() ) : ?&gt;
</ins><span class="cx">                 &lt;h3&gt;&lt;?php esc_html_e( 'Addresses of Sites in your Network' ); ?&gt;&lt;/h3&gt;
</span><span class="cx">                 &lt;p&gt;&lt;?php _e( 'Please choose whether you would like sites in your WordPress network to use sub-domains or sub-directories. &lt;strong&gt;You cannot change this later.&lt;/strong&gt;' ); ?&gt;&lt;/p&gt;
</span><span class="cx">                 &lt;p&gt;&lt;?php _e( 'You will need a wildcard DNS record if you are going to use the virtual host (sub-domain) functionality.' ); ?&gt;&lt;/p&gt;
</span><span class="lines">@@ -211,17 +211,29 @@
</span><span class="cx">                 &lt;?php if ( 'localhost' == $hostname ) : ?&gt;
</span><span class="cx">                         &lt;tr&gt;
</span><span class="cx">                                 &lt;th scope=&quot;row&quot;&gt;&lt;?php esc_html_e( 'Sub-directory Install' ); ?&gt;&lt;/th&gt;
</span><del>-                                &lt;td&gt;&lt;?php _e( 'Because you are using &lt;code&gt;localhost&lt;/code&gt;, the sites in your WordPress network must use sub-directories. Consider using &lt;code&gt;localhost.localdomain&lt;/code&gt; if you wish to use sub-domains.' ); ?&gt;&lt;/td&gt;
</del><ins>+                                &lt;td&gt;&lt;?php
+                                        _e( 'Because you are using &lt;code&gt;localhost&lt;/code&gt;, the sites in your WordPress network must use sub-directories. Consider using &lt;code&gt;localhost.localdomain&lt;/code&gt; if you wish to use sub-domains.' );
+                                        // Uh oh:
+                                        if ( !allow_subdirectory_install() )
+                                                echo ' &lt;strong&gt;' . __( 'Warning!' ) . ' ' . __( 'The main site in a sub-directory install will need to use a modified permalink structure, potentially breaking existing links.' ) . '&lt;/strong&gt;';
+                                ?&gt;&lt;/td&gt;
</ins><span class="cx">                         &lt;/tr&gt;
</span><span class="cx">                 &lt;?php elseif ( !allow_subdomain_install() ) : ?&gt;
</span><span class="cx">                         &lt;tr&gt;
</span><span class="cx">                                 &lt;th scope=&quot;row&quot;&gt;&lt;?php esc_html_e( 'Sub-directory Install' ); ?&gt;&lt;/th&gt;
</span><del>-                                &lt;td&gt;&lt;?php _e( 'Because your install is in a directory, the sites in your WordPress network must use sub-directories.' ); ?&gt;&lt;/td&gt;
</del><ins>+                                &lt;td&gt;&lt;?php
+                                        _e( 'Because your install is in a directory, the sites in your WordPress network must use sub-directories.' );
+                                        // Uh oh:
+                                        if ( !allow_subdirectory_install() )
+                                                echo ' &lt;strong&gt;' . __( 'Warning!' ) . ' ' . __( 'The main site in a sub-directory install will need to use a modified permalink structure, potentially breaking existing links.' ) . '&lt;/strong&gt;';        
+                                ?&gt;&lt;/td&gt;
</ins><span class="cx">                         &lt;/tr&gt;
</span><del>-                &lt;?php elseif ( !allow_folder_install() ) : ?&gt;
</del><ins>+                &lt;?php elseif ( !allow_subdirectory_install() ) : ?&gt;
</ins><span class="cx">                         &lt;tr&gt;
</span><span class="cx">                                 &lt;th scope=&quot;row&quot;&gt;&lt;?php esc_html_e( 'Sub-domain Install' ); ?&gt;&lt;/th&gt;
</span><del>-                                &lt;td&gt;&lt;?php _e( 'Because your install is over 1 month old, the sites in your WordPress network must use sub-domains.' ); ?&gt;&lt;/td&gt;
</del><ins>+                                &lt;td&gt;&lt;?php _e( 'Because your install is not new, the sites in your WordPress network must use sub-domains.' );
+                                        echo ' &lt;strong&gt;' . __( 'The main site in a sub-directory install will need to use a modified permalink structure, potentially breaking existing links.' ) . '&lt;/strong&gt;';
+                                ?&gt;&lt;/td&gt;
</ins><span class="cx">                         &lt;/tr&gt;
</span><span class="cx">                 &lt;?php endif; ?&gt;
</span><span class="cx">                 &lt;?php if ( ! $is_www ) : ?&gt;
</span><span class="lines">@@ -266,7 +278,7 @@
</span><span class="cx">                 echo '&lt;div class=&quot;error&quot;&gt;' . $errors-&gt;get_error_message() . '&lt;/div&gt;';
</span><span class="cx"> 
</span><span class="cx">         if ( $_POST ) {
</span><del>-                $subdomain_install = allow_subdomain_install() ? ( allow_folder_install() ? ! empty( $_POST['subdomain_install'] ) : true ) : false;
</del><ins>+                $subdomain_install = allow_subdomain_install() ? ( allow_subdirectory_install() ? ! empty( $_POST['subdomain_install'] ) : true ) : false;
</ins><span class="cx">         } else {
</span><span class="cx">                 if ( is_multisite() ) {
</span><span class="cx">                         $subdomain_install = is_subdomain_install();
</span></span></pre>
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