What are some common pitfalls or misunderstandings when using call_user_func_array in PHP?

One common pitfall when using `call_user_func_array` in PHP is not passing the arguments correctly. The arguments should be passed as an array, but sometimes developers mistakenly pass them as individual arguments. To solve this, make sure to pass the arguments as an array when calling `call_user_func_array`. 

// Incorrect way of passing arguments
$arguments = 'arg1, arg2';
call_user_func_array($callback, $arguments);

// Correct way of passing arguments
$arguments = ['arg1', 'arg2'];
call_user_func_array($callback, $arguments);

Keywords

call_user_func_array PHP dynamic function calls variable functions callback functions

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