Re: in_array

On Thu, Apr 6, 2017 at 4:30 AM, Karl DeSaulniers <karl@designdrumm.com> 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.