explode word into array in php code example

Example 1: php convert string to chars

<?php

$str = "Hello Friend";

$arr1 = str_split($str);
$arr2 = str_split($str, 3);

print_r($arr1);
print_r($arr2);

?>

Example 2: string to array php

str_split ( string $string [, int $split_length = 1 ] ) : array