PHP how to explode string into groups of 6 letters in array

Question

$string = 'billiejeanisnotmylover';
$array = some_function($string,6);

$array[0] = 'billie'
$array[1] = 'jeanis'
$array[2] = 'notmyl'
$array[3] = 'over'

do you have an idea what some_function would be?

Answer 1

Use str_split:

$array = str_split($string, 6);