How do I call a function with an array of parameters

[davidjam]

I want to call this function and fill its parameters with an array. This is how I thought it should be done, but it isn't working:

call_user_func_array($this->format(),$GLOBALS['format']);

This is the error I get:

Warning: call_user_func_array(): First argumented is expected to be a valid callback, ''

[laserlight]

$this->format() should return a string that is the name of the callback function.

[davidjam]

$this->format() IS the function I want to call. If I replace it with "format" it doesn't work because the function is outside the local scope:

For example:

class field {
  function field() {
    call_user_func_array($this->format(),$GLOBALS['format']);
  }
  function format() {
    ..
  }
}

Also, what exactly is a "callback function"?

[laserlight]

ah, I see.

Take a look at the docs for the deprecated [man]call_user_method_array/man function.
It gives information on how to use [man]call_user_func_array/man to emulate its behaviour.

[davidjam]

Thanks laserlight.

I tried what was suggested at that location, i.e.:

call_user_func_array(&$this->format(),$GLOBALS['format'])

and I got this error message:

Warning: Call-time pass-by-reference has been deprecated - argument passed by value; If you would like to pass it by reference, modify the declaration of call_user_func_array(). If you would like to enable call-time pass-by-reference, you can set allow_call_time_pass_reference to true in your INI file. However, future versions may not support this any longer.

I checked my local .ini file and it is off, however, my host provider is set to on, so there is a work around... but undesireable, because it is deprecated anyways.

I have used call_user_func_array() successfully before with non-object scripts... Is this a problem only with objects?