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get_defined_vars

Description

The get_defined_vars of Variable Handling for PHP returns an array of all defined variables.

Syntax

get_defined_vars(): array

Return

A multidimensional array with all the variables.

Examples

1

<?

$return = get_defined_vars();

print_r($return);

Array
(
    [_GET] => Array
        (
        )

    [_POST] => Array
        (
        )

    [_COOKIE] => Array
        (
        )

    [_FILES] => Array
        (
        )

)

2

<?

$array = array(true, 12.34, "abc", array(0, 1));

$return = get_defined_vars();

print_r($return);

Array
(
    [_GET] => Array
        (
        )

    [_POST] => Array
        (
        )

    [_COOKIE] => Array
        (
        )

    [_FILES] => Array
        (
        )

    [array] => Array
        (
            [0] => 1
            [1] => 12.34
            [2] => abc
            [3] => Array
                (
                    [0] => 0
                    [1] => 1
                )

        )

)

3

<?

$array = array(true, 12.34, "abc", array(0, 1));

$return = get_defined_vars();

print_r($return["array"]);

Array
(
    [0] => 1
    [1] => 12.34
    [2] => abc
    [3] => Array
        (
            [0] => 0
            [1] => 1
        )

)

4

<?

$return = get_defined_vars();

print_r($return["_SERVER"]);