How to find Object ID in PHP

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I'm using PHP 5.2. I'd like to find a way to output a unique id for every object, so it's easy when looking over logs to see which objects are the same.

In Ruby, I'd just say object.object_id to get Ruby's internal identifier for the object. There doesn't seem to be an obvious way to do this in PHP.

Is there is a built-in way of doing this? If there isn't, can you offer any other suggestions?
Nov 16, 2020 in PHP by kartik
• 37,510 points
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1 answer to this question.

0 votes

Hello @kartik,

Use spl_object_hash() for that.

It returns an unique identifier for each object instance, and not the name of the class, so it seems more suitable for you.

answered Nov 16, 2020 by Niroj
• 82,720 points

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