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Re: use of array_key_exists() to prevent duplicates? [message #173015 is a reply to message #173014]

Thu, 17 March 2011 17:09

William Gill
Messages: 31
Registered: March 2011

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On 3/17/2011 11:58 AM, Captain Paralytic wrote:
>
> Alternative 1) Just assign the values to an associative array with the
> serial number as the key. At the end a foreach will produce a list of
> unique values. No need for array_key_exists() at all.
>
Is this any more efficient than if (array_key_exists()) ?
On the minus side, if I edit or modify the memo, it will be overwritten
using this alternative. I could avoid this, but it seems unnecessarily
complicated.

> Alternative 2) If you are planning on storing the data in a database
> just use INSERT IGNORE.

Had considered this, but at present a flat file seems adequate.

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[Message index]

		use of array_key_exists() to prevent duplicates? By: William Gill on Thu, 17 March 2011 15:35
		Re: use of array_key_exists() to prevent duplicates? By: Captain Paralytic on Thu, 17 March 2011 15:58
		Re: use of array_key_exists() to prevent duplicates? By: William Gill on Thu, 17 March 2011 17:09
		Re: use of array_key_exists() to prevent duplicates? By: Captain Paralytic on Fri, 18 March 2011 10:05
		Re: use of array_key_exists() to prevent duplicates? By: William Gill on Fri, 18 March 2011 15:06
		Re: use of array_key_exists() to prevent duplicates? By: Captain Paralytic on Fri, 18 March 2011 16:15
		Re: use of array_key_exists() to prevent duplicates? By: William Gill on Fri, 18 March 2011 16:34
		Re: use of array_key_exists() to prevent duplicates? By: Captain Paralytic on Fri, 18 March 2011 16:46
		Re: use of array_key_exists() to prevent duplicates? By: William Gill on Fri, 18 March 2011 17:17

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