<?php
 
class Foo 
{
	public $array = array('key' => "someFunc");
	
	public function someFunc($foo, $bar)
	{
		return $foo . $bar;
	}
 
	public function callFuncsFromArray() 
	{
		foreach($this->array as $value) {
			$bar = call_user_func_array(["Foo", $value], ["FOO", "BAR"]);
		}
 
		return $bar;
	}
}
 
$foo = new Foo();
 
var_dump($foo->callFuncsFromArray());