[PHP-DOC] cvs: phpdoc /en/functions var.xml

[Torben Wilson]

torben          Mon Mar 19 01:58:58 2001 EDT

  Modified files:              
    /phpdoc/en/functions        var.xml 
  Log:
  
  
  Clarification of unset() return value.
  
  
Index: phpdoc/en/functions/var.xml
diff -u phpdoc/en/functions/var.xml:1.40 phpdoc/en/functions/var.xml:1.41
--- phpdoc/en/functions/var.xml:1.40    Mon Mar 19 00:45:06 2001
+++ phpdoc/en/functions/var.xml Mon Mar 19 01:58:57 2001
@@ -1028,7 +1028,13 @@
      </funcprototype>
     </funcsynopsis>
     <para>
-     <function>unset</function> destroys the specified variables.
+     <function>unset</function> destroys the specified variables. Note
+     that in PHP 3, <function>unset</function> will always return true
+     (actually, the integer value 1). In PHP 4, however,
+     <function>unset</function> is no longer a true function: it is
+     now a statement. As such no value is returned, and attempting to
+     take the value of <function>unset</function> results in a parse
+     error.
     </para>
     <para>
      <example>