PHP Practice

anagram.php

<?php

function is_anagram($a, $b) {
    return(count_chars($a, 1) == count_chars($b, 1));
}

?>

palindrome.php

<?php

function palindrome($str) {
    if ((strlen($str) == 0)) {
        return false;
    }

    if ((strlen($str) == 1)) {
        return true;
    } else {
        if (substr($str,0,1) == substr($str,(strlen($str) - 1),1)) {
            return palindrome(substr($str,1,strlen($str) -2));
        } else {
            return false;
        }
    }
}

?>