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With callback functions that are within the same class, I can’t set the following.
private function check_valid_image
{
...
}
I can get it to work if I do the following.
function _check_valid_image
{
...
}
By placing an underscore in front of the method name, is that the same as placing the word private in front?
It’s a convention used with the form validation class for callbacks. It also makes that method not callable via the URL segments.
That being said, it is not the equivalent of making a method private, which has implications in how code can be run outside of the class.