Collections\CollectionInterface::indexExists PHP Method

CollectionInterface Interface Documentation Show file Open project: danielgsims/php-collections

indexExists() public method

Returns true if $index is within the collection's range and returns false if it is not.
public indexExists ( $index ) : boolean
$index
return boolean 
    public function indexExists($index);
CollectionInterface
add
at
clear
contains
count
drop
dropRight
dropWhile
each
every
filter
find
findIndex
findLast
findLastIndex
getIterator
getType
indexExists
insert
insertRange
map
merge
reduce
reduceRight
removeAt
reverse
shuffle
slice
sort
tail
take
takeRight
takeWhile
toArray
without