- array\includes
- array\push
- array\length
- array\at
- array\join
- array\indexOf
- array\removeAt
- array\unique
array\includes(LIST, VALUE)
Returns true if LIST contains VALUE. Can be used for Array and Multi-Enum fields.
array\push(LIST, VALUE1 [, VALUE2 ...])
Adds one or more elements to the end of an array and returns the new array.
!!! warning
An array argument is not passed by reference. You need to re-assign the array to a function result.
!!! example
```
$list = array\push($list, 'test');
```
!!! example
Adding values to a multi-enum field.
```
someMultiEnumField = array\push(someMultiEnumField, 'New Value 1', 'New Value 2');
```
array\length(LIST)
Returns the number of elements in LIST.
!!! example
A number of items in multi-enum field.
```
$number = array\length(someMultiEnumField);
```
array\at(LIST, INDEX)
Returns a value by INDEX.
array\join(LIST, SEPARATOR)
Joins array elements with a string separator. Returns a string. (as of v6.1.3)
!!! example
```
$string = array\join($array, $separator);
```
array\indexOf(LIST, ELEMENT)
Returns a position of the ELEMENT in the LIST. Returns null if the ELEMENT not in the LIST. (as of v7.1)
!!! example
```
$index = array\indexOf($idList, $someId);
```
array\removeAt(LIST, INDEX)
Removes an element by the INDEX and returns a new array. (as of v7.1)
!!! example
```
$newArray = array\removeAt($array, $index);
```
array\unique(LIST)
Removes duplicates in the LIST and returns a new array. (as of v7.1)
!!! example
```
$newArray = array\unique($array);
```