New Object Model
In PHP 5 there is a new Object Model. PHP's handling of objects has been
completely rewritten, allowing for better performance and more features. In
previous versions of PHP, objects were handled like primitive types (for
instance integers and strings). The drawback of this method was that
semantically the whole object was copied when a variable was assigned, or
pass as a parameter to a method. In the new approach, objects are referenced
by handle, and not by value (one can think of a handle as an object's
identifier).
Many PHP programmers aren't even aware of the copying quirks of the old
object model and, therefore, the majority of PHP applications will work out
of the box, or with very few modifications.
The new Object Model is documented at the Language Reference.
completely rewritten, allowing for better performance and more features. In
previous versions of PHP, objects were handled like primitive types (for
instance integers and strings). The drawback of this method was that
semantically the whole object was copied when a variable was assigned, or
pass as a parameter to a method. In the new approach, objects are referenced
by handle, and not by value (one can think of a handle as an object's
identifier).
Many PHP programmers aren't even aware of the copying quirks of the old
object model and, therefore, the majority of PHP applications will work out
of the box, or with very few modifications.
The new Object Model is documented at the Language Reference.
5 Comments:
this is very good plat form to put the commnet.
can u please tell how any source to turn the label in round robin fasion in perl.
Can you please explain little, about exactly you want to do?
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