get_defined_vars —
Returns an array of all defined variables
Description
arrayget_defined_vars
( void
)
This function returns a multidimensional array containing a list of
all defined variables, be them environment, server or user-defined
variables, within the scope that get_defined_vars() is
called.
Return Values
A multidimensional array with all the variables.
Examples
Example #1 get_defined_vars() Example
<?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 $arr["_"];
// print the command-line parameters if any print_r($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())); ?>
ChangeLog
Version
Description
5.0.0
The $GLOBALS variable is included in the results of
the array returned.
floatval
