function AbstractCollection::first

Return value

T

Throws

NoSuchElementException if this collection is empty.

Overrides CollectionInterface::first

File

vendor/ramsey/collection/src/AbstractCollection.php, line 127

Class

AbstractCollection

This class provides a basic implementation of `CollectionInterface`, to minimize the effort required to implement this interface

Namespace

Ramsey\Collection

Code

public function first() : mixed {
    $firstIndex = array_key_first($this->data);
    if ($firstIndex === null) {
        throw new NoSuchElementException('Can\'t determine first item. Collection is empty');
    }
    return $this->data[$firstIndex];
}