} else {
if ($ch >= "A" && $ch <= "Z") {
$letter_upper++;
} else {
if ($ch >= "0" && $ch <= "9") {
$numeric++;
} else {
$non_alph++;
}
}
}
}
// debug
//echo "Lowercase letters: " . $letter_lower . "<br>";
//echo "Uppercase letters: " . $letter_upper . "<br>";
//echo "Numeric: " . $numeric . "<br>";
//echo "Non-alphanumeric: " . $non_alph . "<br>";
if (strlen($password) > 8 && $letter_lower > 0 && $letter_upper > 0 && $numeric > 1 && $non_alph > 0) {
return 3;
// strong
} else {
if (strlen($password) >= 6 && $letter_lower > 0 && $letter_upper > 0 && $numeric > 0) {
return 2;
// medium
}
}
return 1;
// weak
}
echo strength("abcadG3");
<?php
/**
* PHP basics Exercise #3
*/
function strength($password)
{
// TODO this is for you to complete
return 0;
}
echo strength("abc");
// 1: weak