access php objects with properties

Question

Google auth services return a php object (Lets call it $Ticket). It's value is this

Google_LoginTicket Object ( [envelope:Google_LoginTicket:private] => Array ( [alg] => RS256 [kid] => 057d4167ee9b75e7b3a3fcc9c1ca17a14dab5044 ) )

Now i want to access the value of alg, that is "RS256".

print_r ($Ticket->{'envelope:Google_LoginTicket:private'});

print_r doesn't give anything.

Have you tried doing print_r($Ticket)? Add the output to your question — Adam Hopkinson
– Adam Hopkinson, Commented Feb 26, 2013 at 13:55

gaskar · Accepted Answer · 2013-02-26 13:57:18Z

2

Google_LoginTicket have getAttributes() function, which return array of attributes, you can check this, in source code https://github.com/sylvainw/GPlusGlobe/blob/master/src/auth/Google_LoginTicket.php

$attrs = $Ticket->getAttributes();
print_r($attrs["envelope"]);

answered Feb 26, 2013 at 13:57

gaskar

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2 Comments

Serge Kuharev Over a year ago

I would add, that Google_LoginTicket is private, so you can't directly access it. And it is bad habit to make any attribute public. One should always try to use getters/setters.

gaskar Over a year ago

"envelope" is private ;) Google_LoginTicket is the class name

Louis-Philippe Huberdeau · Accepted Answer · 2013-02-26 13:58:29Z

0

You can access private properties through reflection. However, it is not recommended. These are mostly features used by frameworks.

Instead, you should search for methods providing you with the value you are looking for.

var_dump(get_class_methods($Ticket));

Typically, reading the API documentation or the source file directly will allow you to see the methods available on the class.

answered Feb 26, 2013 at 13:58

Louis-Philippe Huberdeau

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Comments

Ja͢ck · Accepted Answer · 2013-02-26 13:59:49Z

0

The envelope instance variable is private, so you can't just access it like that; you have to work with the methods that are provided:

$attributes = $Ticket->getAttributes();

$envelope = $attributes['envelope'];

answered Feb 26, 2013 at 13:59

Ja͢ck

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