PHP unserialization after changing class definition

Question

I serialized an object of PHP class in Laravel. Afterwards, I changed the class definition adding a new method and when I unserialize the old object and make a call to that newly implemented method, it works.

I wonder why and how?

Look at a serialized class intance, and you'll see that it contains only the class name and the property values, not the code — Mark Baker
– Mark Baker, Commented Aug 15, 2017 at 20:46
Possible duplicate of PHP - How object serialize/unserialize works? — Don't Panic
– Don't Panic, Commented Aug 15, 2017 at 21:07

Artur Poniedziałek · Accepted Answer · 2017-08-15 20:43:51Z

5

Because serialization process keeps only state of the objects (fields) but not your methods with implementation.

answered Aug 15, 2017 at 20:43

Artur Poniedziałek

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