The call_user_method() function call a user method on an specific object.
Note − The function is deprecated now.
Syntax
call_user_method(method, obj, params)
Parameters
method − Method name
obj − Object that method is being called on.
params − Array of parameters
Alternative
Since the call_user_method() deprecated in PHP 4.1.0, and removed in PHP 7.0, therefore use the following as an alternative solution −
call_user_func(array($obj, $method), $params);