Posted by Michael Fesser on 09/16/07 22:41

..oO(Sanders Kaufman)

>Michael Fesser wrote:
>
>> But there's a similar thing that can be
>> really helpful - variable class names, i.e. the class name is stored in
>> a variable:
>>
>> $foo = 'TMyClass';
>> $bar = new $foo(); // creates an instance of the class TMyClass
>
>Now I'm confused again.
>Maybe I'm applying Java logic here or something.
>Why doesn't that just create a new string containing, 'TMyClass'?

Because PHP is not Java. ;)

In this case the name of the class is taken from the variable (notice
the parentheses after the variable name). The same can also be done with
functions, which is a common way to implement callback functions in PHP.

Micha

[Back to original message]