<?php$array = str_split ( "Hello Friend", // string $string 3 // [int $split_length = 1]);?>
$array = [ 0 => 'Hel', 1 => 'lo ', 2 => 'Fri', 3 => 'end',]
[ 0 => 'Hel', 1 => 'lo ', 2 => 'Fri', 3 => 'end',]
#1
str_split
("Hello Friend")
#2
("Hello Friend", 3)