get_defined_vars & get_defined_functions

get_defined_vars & get_defined_functions

get_defined_vars
==============

get_defined_vars — Returns an array of all defined variables
Syntax
======
array get_defined_vars ( void )

It returns a multidimensional array containing a list of all defined variables, server or user-defined variables, within the scope that get_defined_vars() is called.

Examples
=======

<?php
$val = array(a,b,c);
$arr = get_defined_vars();
?>

get_defined_functions:
=================

get_defined_functions will Returns an array of all defined functions

Syntax:
======
array get_defined_functions ( void )

It returns multidimensional array containing a list of all defined functions, both built-in (internal) and user-defined. The internal functions will be accessible via $arr[”internal”], and the user defined ones using $arr[”user”]

<?php
function myfun()
{
return “<tr><th>$id</th><td>$data</td></tr>\n”;
}

$arr = get_defined_functions();

print_r($arr);
?>

Output:
=====
Array
(
[internal] => Array
(
[0] => zend_version
[1] => func_num_args
[2] => func_get_arg
[3] => func_get_args
[4] => strlen
[5] => strcmp
[6] => strncmp

[750] => bcscale
[751] => bccomp
)

[user] => Array
(
[0] => myfun
)

)

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