Get the first key from the current array.

/**
 * Get the first key from the current array.
 *
 * @return mixed Returns the first key of array if the array is not empty; NULL otherwise.
 */
public function firstKey()

Examples

$arrays = Arrays::create([
                           'the_thin_red_line' => [
                               'title' => 'The Thin Red Line',
                               'directed_by' => 'Terrence Malick',
                               'produced_by' => 'Robert Michael, Geisler Grant Hill, John Roberdeau',
                               'decription' => 'Adaptation of James Jones autobiographical 1962 novel, focusing on the conflict at Guadalcanal during the second World War.'
                           ],
                           'bad_times_at_the_el_royale' => [
                               'title' => 'Bad Times at the El Royale',
                               'directed_by' => 'Drew Goddard',
                               'produced_by' => 'Drew Goddard, Steve Asbell',
                               'decription' => 'Early 1970s. Four strangers check in at the El Royale Hotel. The hotel is deserted, staffed by a single desk clerk. Some of the new guests reasons for being there are less than innocent and some are not who they appear to be.'
                           ]
                       ]);

$result = $arrays->firstKey();

print_r($result);

The above example will output:

the_thin_red_line

Getting Started

Methods