Re: Number of duplicates in an array?

[Ashley Sheridan <ash@xxxxxxxxxxxxxxxxxxxx>]

Best way to remove duplicates from an array is to use the built in PHP
function array_unique().

As for counting the number of times each unique value occurs, use
array_count_values().


Ash
www.ashleysheridan.co.uk

--- Begin Message ---

• To: "'PHP General'" <php-general@xxxxxxxxxxxxx>
• Subject: Number of duplicates in an array?
• From: tedd <tedd@xxxxxxxxxxxx>
• Date: Mon, 18 Aug 2008 10:18:59 -0400
• Delivery-date: Mon, 18 Aug 2008 15:19:24 +0100
• Envelope-to: ash@xxxxxxxxxxxxxxxxxxxx

Hi gang:

Anyone have a cool method of finding duplicate items in an array and the number of times they appear?

I'm doing it in a way that is probably less than optimum. I want to see how you guys solve it.

Cheers,

tedd
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