Checks if Array Element Exists

[aslani]

Is there a function to check if an element exists in an array?

Example:

$avArray[0] = Start
$avArray[1] = Beginning
...
$avArray[10] = End

$parArray = _ArrayCreate($avArray[2])

;This one works since $avArray[6] exists, but...
If $avArray[6] Then
_ArrayAdd($parArray, $avArray[6])
EndIf

; ...if the element doesn't exist, it exits on error rather than simply doing nothing
If $avArray[11] Then
_ArrayAdd($parArray, $avArray[11])
EndIf

[SadBunny]

Introduce a check for UBound($myArray). If the element number you want to access is larger than UBound($myArray)-1, it doesn't exist in the array. (FYI: the -1 because UBound always returns one more than the last element number since arrays are 0-based and the [0]'th element also counts.)

Something like:

If _elementExists($avArray, 11) Then
    _ArrayAdd($parArray, $avArray[11])
EndIf

Func _elementExists($array, $element)
    If $element > UBound($array)-1 Then Return False ; element is out of the array bounds
    Return True ; element is in array bounds
EndFunc

[aslani]

WOW! I've been trying to figure this out for 2 days and you got it just like that.

Thank you!

[Ober]

How about finding the item inside the array... IE Start, Begining and End -- is there a way to do an "exists" on an array to see if any one of those is in the array or not? in those cases they would all come up true but if you looked for banana you would get false?

thanks...

[Melba23]

Ober,

Please do not necro-post in topics generally (did you notice the post above yours was made nearly 5 years ago? ), and certainly not in ones that have nothing to do with your question.

As to the question itself - if you want to test for the existence of a certain element within an array, then use _ArraySearch.

M23

[Ober]

Sorry, tyvm for answering reguardless... ill try not to do it agian, i didnt even look at the date prior... again sorry and thank you...

[Melba23]

Ober,

No problem - just look more closely next time.

M23