Index: en_US.ISO8859-1/books/porters-handbook/special/chapter.xml
===================================================================
--- en_US.ISO8859-1/books/porters-handbook/special/chapter.xml
+++ en_US.ISO8859-1/books/porters-handbook/special/chapter.xml
@@ -3423,6 +3423,13 @@
 	  mygroup</literal> if the port needs different values.  This
 	allows the user to override them easily.</para>
 
+      <important>
+	<para>Use <varname>WWWOWN</varname> and
+	  <varname>WWWGRP</varname>, with parsimony, and remember that
+	  every file the web server can write to is a security risk
+	  waiting to happen.</para>
+      </important>
+
       <para>Do not depend on Apache unless the web app explicitly
 	needs Apache.  Respect that users may wish to run a web
 	app on different web server than Apache.</para>
@@ -3431,6 +3438,12 @@
     <sect2 xml:id="php-variables">
       <title>PHP</title>
 
+      <para>To add a dependency on <application>PHP</application>, a
+	web application first needs to add
+	<literal>USES=php</literal>.  The following variables can be
+	used to specify which <application>PHP</application> modules
+	are needed.</para>
+
       <table frame="none" xml:id="using-php-variables">
 	<title>Variables for Ports That Use PHP</title>
 
@@ -3438,10 +3451,7 @@
 	  <tbody>
 	    <row>
 	      <entry><varname>USE_PHP</varname></entry>
-	      <entry>The port requires PHP.  The value
-		<literal>yes</literal> adds a dependency on PHP.
-		The list of required PHP extensions can be specified
-		instead.  Example:
+	      <entry>The list of required PHP extensions.  Example:
 		<literal>pcre xml gettext</literal></entry>
 	    </row>
 
Index: en_US.ISO8859-1/books/porters-handbook/uses/chapter.xml
===================================================================
--- en_US.ISO8859-1/books/porters-handbook/uses/chapter.xml
+++ en_US.ISO8859-1/books/porters-handbook/uses/chapter.xml
@@ -1722,6 +1722,15 @@
 	_USE_PGSQL_DEP</command>.</para>
   </sect1>
 
+  <sect1 xml:id="uses-php">
+    <title><literal>php</literal></title>
+
+    <para>Possible arguments: (none)</para>
+
+    <para>Provide support for <application>PHP</application>.  See
+      <xref linkend="php-variables"/> for more informations.</para>
+  </sect1>
+
   <sect1 xml:id="uses-pkgconfig">
     <title><literal>pkgconfig</literal></title>