note 125707 added to function.array-key-first

//Для версий до 7.х вполне рабочий вариант с array_keys <?php $array = ['a' => 1, 'b' => 2, 'c' => 3]; $firstKey = array_keys($array)[0]; var_dump($firstKey); ?> результат: string(1) "a" ---- Server IP: 45.112.84.4 Probable Submitter: 45.91.159.166 (proxied: 80.253.7.228) ---- Manual Page -- http://php.net/manual/en/function.array-key-first.php Edit -- https://master.php.net/note/edit/125707 Del: integrated -- https://master.php.net/note/delete/125707/integrated Del: useless -- https://master.php.net/note/delete/125707/useless Del: bad code -- https://master.php.net/note/delete/125707/bad+code Del: spam -- https://master.php.net/note/delete/125707/spam Del: non-english -- https://master.php.net/note/delete/125707/non-english Del: in docs -- https://master.php.net/note/delete/125707/in+docs Del: other reasons-- https://master.php.net/note/delete/125707 Reject -- https://master.php.net/note/reject/125707 Search -- https://master.php.net/manage/user-notes.php