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Posted by Tyno Gendo on 10/10/07 13:15
BoneIdol wrote:
> On 10 Oct, 13:39, Tyno Gendo <tyno.ge...@example.net> wrote:
>> BoneIdol wrote:
>>> Anyway to do it? I know you can use a variable's contents as a
>>> variable name with $$name. With something like this:
>>> <?php
>>> function foo($bar)
>>> {
>>> return $bar;
>>> }
>>> $name = foo($variable_name);
>>> ?>
>>> I'd like the function foo to return a string of the variable name
>>> passed to it, in this case 'variable_name'. A friend of mine who does
>>> C ++ programming says that pointers are the way to go here,
>>> but as far as I know PHP doesn't support them.
>> Out of interest, why do you want to do this?
>>
>> If there isn't a PHP function (there is get_defined_vars() but I don't
>> think this does what you want) then you could create your own class that
>> manages variables.
>>
>> eg.
>>
>> class CVar {
>> protected $var_name = '';
>> protected $var_value = '';
>> public function __construct( $name = '', $value = '' ) {
>> $this->var_name = $name;
>> $this->var_value = $value;
>> }
>> public function getName() { return $this->name; }
>> public function getValue() { return $this->value; }
>> public function setName($name) { $this->var_name = $name; }
>> public function setValue($value){ $this->var_value = $value; }
>> }
>>
>> function foo($bar) {
>> return $bat->getName();
>> }
>>
>> $myvar = new CVar('animal','dog');
>> echo foo( &$myvar );
>>
>> OR something like that....
>>
>> just curious why ;-)
>>
>> ... and now someone will point a really easy way to do it and as well
>> and i'll look a fool... LOL
>
> It's more of a thought experiment than anything else. The idea is to
> be able to define variables in classes on the fly with method
> overloading. (function __get etc.)
>
> So something like...
>
> class foo
> {
> public var $bar;
> private var $_vars = array();
>
> public function __get($var)
> {
> $varname = get_variable_name($var); //Whatever code I need here
> $_vars[$varname] = $var;
> }
> }
>
> Note I just made that up off the top of my head and it's not finished
> and doesn't let you work with variables that have already been
> defined.
>
> Really I'm just trying to do it to see if I can. ;)
>
I see. A sort of 'variables factory'. well, if you mix the class CVar
and your 'fooFactory' you could have a result.
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