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Encode e-mail address

Use this handy function to encode e-mail addresses so it still looks good to humans, but can't be read by (spam) bots.

function encode_email($email) {
    $encoded = bin2hex($email);
    $encoded = chunk_split($encoded, 2, '%');
    $encoded = '%' . substr($encoded, 0, strlen($encoded) - 1);
    return $encoded;
}
?>