Documentation is available at example1.php
<?php require_once('I18N/UnicodeString.php'); $text = <<<EOT The Greek Alphabet α - alpha β - beta γ - gamma δ - delta ε - epsilon ζ - zeta η - eta θ - theta ι - iota κ - kappa λ - lamda μ - mu ν - nu ξ - xi ο - omikron π - pi ρ - rho ς - sigma τ - tau υ - upsilon φ - phi χ - chi ψ - psi ω - omega EOT; $u = new I18N_UnicodeString(nl2br($text), 'HTML'); echo $u->toUtf8String(); ?>