All Questions
Tagged with visibility php
142
questions
135
votes
6
answers
38k
views
Default visibility of class methods in PHP
I looked at the manual, but I can't seem to find the answer.
What is the default visibility in PHP for methods without a visibility declaration? Does PHP have a package visibility like in Java?
...
71
votes
3
answers
38k
views
Is there any way to set a private/protected static property using reflection classes?
I am trying to perform a backup/restore function for static properties of classes. I can get a list of all of the static properties and their values using the reflection objects getStaticProperties() ...
44
votes
12
answers
2k
views
Why is the amount of visibility on methods and attributes important?
Why shouldn't one leave all methods and attributes accessible from anywhere (i.e. public)?
Can you give me an example of a problem I can run into if I declared an attribute as public?
33
votes
9
answers
55k
views
Call private methods and private properties from outside a class in PHP
I want to access private methods and variables from outside the classes in very rare specific cases.
I've seen that this is not be possible although introspection is used.
The specific case is the ...
25
votes
1
answer
24k
views
Can traits have properties & methods with private & protected visibility? Can traits have constructor, destructor & class-constants?
I've never seen a single trait where properties and methods are private or protected.
Every time I worked with traits I observed that all the properties and methods declared into any trait are ...
23
votes
3
answers
22k
views
Strange behavior when overriding private methods
Consider the following piece of code:
class foo {
private function m() {
echo 'foo->m() ';
}
public function call() {
$this->m();
}
}
class bar extends foo {
...
23
votes
2
answers
6k
views
__destruct visibility for PHP
Should the "visibility" for the __destruct() function be public or something else? I'm trying to write a standards doc for my group and this question came up.
15
votes
8
answers
361
views
I'm new to OOP/PHP. What's the practicality of visibility and extensibility in classes?
I'm obviously brand new to these concepts. I just don't understand why you would limit access to properties or methods. It seems that you would just write the code according to intended results. Why ...
14
votes
4
answers
9k
views
Why does PHP allow protected and private methods to be made public via an override in subclasses?
From some brief fiddling about, I find I get an error when overriding superclass methods in a subclass when I do the following:
Override a protected superclass method with a private subclass method
...
11
votes
2
answers
4k
views
PHP friend/package visibility
Is there any way to limit the visibility in PHP in the same way as "package" visibility works in Java or at least "friend" visibility in C++? What's the best practice to maintain large OOP project and ...
10
votes
3
answers
12k
views
PHP Inherited parent method can't access child's private property
First of all: A quite similar problem has been posted and somehow solved already, but is still not answering my specific problem. More about this later.
In words: I have a base class which provides ...
7
votes
3
answers
3k
views
Checking method visibility in PHP
Is there any way of checking if a class method has been declared as private or public?
I'm working on a controller where the url is mapped to methods in the class, and I only want to trigger the ...
7
votes
2
answers
8k
views
Method accessing protected property of another object of the same class
Should an object's method be able to access a protected property of another object of the same class?
I'm coding in PHP, and I just discovered that an object's protected property is allowed to be ...
7
votes
1
answer
6k
views
Magento custom product attribute visibility
I've been loading up my Magento webshop with a ton of products with a LOT of custom attributes, however, their 'Visible' value in the back end is set to 'No'.
Apart from this being a mistake on my ...
7
votes
5
answers
6k
views
PHP Visibility with Magic Methods __get & __set
I recently went to an interview and my code I supplied had magic functions to get and set variables. My code was as follows:
public function __get($name){
try {
return $this->$name;
...