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
)
)
