improvements

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@108362 c90b9560-bf6c-de11-be94-00142212c4b1

reference/session/functions/session-is-registered.xml

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 <!-- splitted from ./en/functions/session.xml, last change in rev 1.8 -->
   <refentry id="function.session-is-registered">
    <refnamediv>
     <refname>session_is_registered</refname>
     <refpurpose>
-     Find out if a variable is registered in a session
+     Find out whether a global variable is registered in a session
     </refpurpose>
    </refnamediv>
    <refsect1>
@@ -16,7 +16,7 @@
      </methodsynopsis>
     <para>
      <function>session_is_registered</function> returns &true; if there
-     is a variable with the name <parameter>name</parameter>
+     is a global variable with the name <parameter>name</parameter>
      registered in the current session.
     </para>
     <note>

reference/session/functions/session-register.xml

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.5 $ -->
+<!-- $Revision: 1.6 $ -->
 <!-- splitted from ./en/functions/session.xml, last change in rev 1.2 -->
   <refentry id="function.session-register">
    <refnamediv>
     <refname>session_register</refname>
     <refpurpose>
-     Register one or more variables with the current session
+     Register one or more global variables with the current session
     </refpurpose>
    </refnamediv>
    <refsect1>
@@ -22,6 +22,14 @@
      each name, <function>session_register</function> registers the global
      variable with that name in the current session.
     </para>
+    <caution>
+     <para>
+      If you want your script to work regardless of register_globals, you need
+      to use the $_SESSION array. All $_SESSION entries are automatically
+      registered. If your script uses session_register(), it will not work in
+      environments where register_globals is disabled.
+     </para>
+    </caution>
     <caution>
      <para>
       This registers a <emphasis>global</emphasis> variable. If you want to
@@ -70,21 +78,21 @@ $HTTP_SESSION_VARS["spongebob"] = "He's got square pants.";
     </para>
     <note>
      <para>
-      It is not currently possible to register resource variables in a
-      session.  For example, you can not create a connection to a
+      It is currently impossible to register resource variables in a
+      session.  For example, you cannot create a connection to a
       database and store the connection id as a session variable and
       expect the connection to still be valid the next time the
       session is restored.  PHP functions that return a resource are
       identified by having a return type of
-      <literal>resource</literal> in their function definitions.  A
+      <literal>resource</literal> in their function definition.  A
       list of functions that return resources are available in the
       <link linkend="resource">resource types</link> appendix.
      </para>
      <para>
       If <varname>$_SESSION</varname> (or
       <varname>$HTTP_SESSION_VARS</varname> for PHP 4.0.6 or less) is
-      used, assign variable to
-      <varname>$_SESSION</varname>. i.e. $_SESSION['var'] = 'ABC';
+      used, assign values to
+      <varname>$_SESSION</varname>. For example: $_SESSION['var'] = 'ABC';
      </para>
     </note>
     <para>

reference/session/functions/session-unregister.xml

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 <!-- splitted from ./en/functions/session.xml, last change in rev 1.2 -->
   <refentry id="function.session-unregister">
    <refnamediv>
     <refname>session_unregister</refname>
     <refpurpose>
-     Unregister a variable from the current session
+     Unregister a global variable from the current session
     </refpurpose>
    </refnamediv>
    <refsect1>
@@ -15,7 +15,7 @@
       <methodparam><type>string</type><parameter>name</parameter></methodparam>
      </methodsynopsis>
     <para>
-     <function>session_unregister</function> unregisters (forgets)
+     <function>session_unregister</function> unregisters
      the global variable named <parameter>name</parameter> from the
      current session.
     </para>
@@ -33,7 +33,7 @@
     </note>
     <caution>
      <para>
-      This function doesn't unset the corresponding global variable for
+      This function does not unset the corresponding global variable for
       <parameter>name</parameter>, it only prevents the variable from being
       saved as part of the session. You must call <function>unset</function>
       to remove the corresponding global variable.