note 110126 added to function.array-change-key-case

Use this to capitalize first letter of all array keys: <?php function ucfirstKeys(&$data) { foreach ($data as $key => $value) { // Convert key $newKey = ucfirst($key); // Change key if needed if ($newKey != $key) { unset($data[$key]); $data[$newKey] = $value; } // Handle nested arrays if (is_array($value)) { ucfirstKeys($data[$key]); } } } $test = array('foo' => 'bar', 'moreFoo' => array('more' => 'foo')); ucfirstKeys($test); print_r($test); ?> Result: Array ( [MoreFoo] => Array ( [More] => foo ) [Foo] => bar ) ---- Server IP: 69.147.83.199 Probable Submitter: 85.176.143.74 ---- Manual Page -- http://www.php.net/manual/en/function.array-change-key-case.php Edit -- https://master.php.net/note/edit/110126 Del: integrated -- https://master.php.net/note/delete/110126/integrated Del: useless -- https://master.php.net/note/delete/110126/useless Del: bad code -- https://master.php.net/note/delete/110126/bad+code Del: spam -- https://master.php.net/note/delete/110126/spam Del: non-english -- https://master.php.net/note/delete/110126/non-english Del: in docs -- https://master.php.net/note/delete/110126/in+docs Del: other reasons-- https://master.php.net/note/delete/110126 Reject -- https://master.php.net/note/reject/110126 Search -- https://master.php.net/manage/user-notes.php