   #PHP Manual Variable Functions floatval get_resource_type

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                               get_defined_vars

   (PHP 4 >= 4.0.4)
   get_defined_vars --  Returns an array of all defined variables

Description

   array get_defined_vars ( void )

   This function returns an multidimensional array containing a list of
   all defined variables, be them environment, server or user-defined
   variables.

   <?php
   $b = array(1, 1, 2, 3, 5, 8);
   $arr = get_defined_vars();
   // print $b
   print_r($arr["b"]);
   /* print path to the PHP interpreter (if used as a CGI)
   * e.g. /usr/local/bin/php */
   echo $arr["_"];
   // print the command-line paramaters if any
   print_r($arr["argv"]);
   // print all the server vars
   print_r($arr["_SERVER"]);
   // print all the available keys for the arrays of variables
   print_r(array_keys(get_defined_vars()));
   ?>

   See also get_defined_functions() and get_defined_constants().
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