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Re: [PHP] in_array




On Thu, Apr 6, 2017 at 4:30 AM, Karl DeSaulniers <karl@xxxxxxxxxxxxxxx>
wrote:

> Hello All,
> Hope you are all experiencing some progress with yours.
> Looking forward to some on mine. Have a quick question.
>
> When traversing an multidimensional array what is the proper way to detect
> if a value is in one of the indexes of the array?
>
> EG:
>
> Array1 = array(
>         0 => array("pUser" => "Customer", "pType" => "Offset", "pProduct"
> => "Business Cards"),
>         1 => array("pUser" => "Retailer", "pType" => "Offset", "pProduct"
> => "Flyers"),
>         2 => array("pUser" => "InHouse", "pType" => "Offset", "pProduct"
> => "Business Cards")
> );
>
> So I have this array and I want to add let's say a customer -> offset ->
> business cards,
> but let's also say that there is only 1 customer is allowed to offset
> print at a time.
>
> How would I check for pUser, pType to see if one exists already?
>
> I was looking at in_array(), but my brain twisted when the
> multidimensional came into play.
> Not sure how to apply. Any help would be greatly appreciated.
>
> TIA.
>
> Best,
>
> Karl DeSaulniers
> Design Drumm
> http://designdrumm.com <http://designdrumm.com/>
>
>
>
>
>
A few options I can think of:

- Loop through the array and compare to find if it exists.
- Have the index of the array be the md5 of the unique fields and do an
isset before adding.
- Keep a separate md5 array of the added values and do in_array.

Personally I would prefer the custom keys/isset.