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Re: Preserving an object [message #174664 is a reply to message #174661]

Sat, 25 June 2011 12:02

Jerry Stuckle
Messages: 2598
Registered: September 2010

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Senior Member

On 6/24/2011 10:45 PM, bruceaj wrote:
> I am creating an object in my "index.php". I want to use this object
> in many of my php pages. How can I preserve this object so other pages
> can use it and I don't have to recreate it??
>
> Thanks...
>
> Bruce

It's difficult because PHP does not handle serialization of objects very
well.

The correct way would be to store it in the $_SESSION. However, you
have to be careful that the object doesn't save any external resources
such as database links, which will not be valid when it is reloaded.

Additionally, when your page terminates, the PHP calls the object's
destructor, but does not call the object's constructor when it is read
back into storage. This means the constructor will be called once for
the object, but the destructor called many times.

One other thing - the $_SESSION isn't real efficient for larger data
structures; I wouldn't recommend storing large objects in it.

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Jerry Stuckle
JDS Computer Training Corp.
jstucklex(at)attglobal(dot)net
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[Message index]

		Preserving an object By: bruceaj on Sat, 25 June 2011 02:45
		Re: Preserving an object By: The Natural Philosoph on Sat, 25 June 2011 08:27
		Re: Preserving an object By: Jivanmukta on Sat, 25 June 2011 11:06
		Re: Preserving an object By: Jerry Stuckle on Sat, 25 June 2011 12:08
		Re: Preserving an object By: bruceaj on Sat, 25 June 2011 13:37
		Re: Preserving an object By: Jerry Stuckle on Sat, 25 June 2011 17:10
		Re: Preserving an object By: The Natural Philosoph on Sun, 26 June 2011 03:18
		Re: Preserving an object By: Jerry Stuckle on Sat, 25 June 2011 12:02

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