PHP Reference

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()));

?>