   #PHP Manual Variable Functions is_real is_scalar

   PHP Manual
   Prev  Next
   ______________________________________________________________________

                                  is_resource

   (PHP 4 )
   is_resource --  Finds whether a variable is a resource

Description

   bool is_resource ( mixed var)

   is_resource() returns TRUE if the variable given by the var parameter
   is a resource, otherwise it returns FALSE.

   Example 1. using is_resource()
   <?php
   $db_link = @mysql_connect('localhost', 'mysql_user', 'mysql_pass');
   if (!is_resource($db_link)) {
       die('Can\'t connect : ' . mysql_error());
   }
   ?>

   See the documentation on the resource-type for more information.
   ______________________________________________________________________

   Prev    Home      Next
   is_real  Up  is_scalar
